SC500

SC501-01	B	Tray 1 bottom plate lift error 1
		One of the following occurred at the start of the job: The tray 1 lift sensor does not switch on 10 s after the tray lift motor switches on and starts lifting the bottom plate. The tray lift sensor was on before the pick-up solenoid switched on.
		Tray lift motor harness disconnected or broken Paper or other obstacle trapped between tray and motor Pick-up solenoid disconnected or broken Paper or other obstacle blocking operation of pick-up solenoid
		Cycle the machine off/on Replace tray lift motor harness, or replace motor Replace pickup solenoid harness, or replace solenoid Replace tray lift sensor harness or replace sensor Replace IOB

SC501-02	B	Tray 1 bottom plate lift error 2
		The upper limit sensor did not go LOW within 2 sec. after the tray lowered at paper end, and the machine prompts the operator to reset the tray. After the second detection the machine will prompt the operator to reset the tray by pulling it out and pushing it in to recycle detection off/on. If this fails after the third attempt, the machine will issue this SC and the tray will be disabled. However the other trays can still be used.
		Lift motor harness loose, broken, defective Paper or other obstacle trapped between tray and motor Pick-up solenoid harness loose, broken, defective Paper or other obstacle blocking operation of pick-up solenoid
		Pull the tray out and push it back in to cycle the sensor off/on Replace the lift motor harness, or replace motor Check mechanical operation of solenoid and make sure that it is not blocked Replace pick-up solenoid harness, or replace solenoid Replace upper limit sensor harness, or replace sensor Replace IOB

SC501-03	B	Tray 1 bottom plate lift error 3
		The lower limit sensor did not go LOW within 10 sec. after the tray lowered at paper end, and the machine prompts the operator to reset the tray. After the second detection the machine will prompt the operator to reset the tray by pulling it out and pushing it in to recycle detection off/on. If this fails after the third attempt, the machine will issue this SC and the tray will be disabled. However the other trays can still be used.
		Lift motor harness loose, broken, defective Paper or other obstacle trapped between tray and motor Paper or other obstacle blocking operation of pick-up solenoid
		Cycle the machine off/on Replace the lift motor harness, or replace motor Replace lower limit sensor harness, or replace sensor Replace IOB

SC501-04	C	Tray 1 rear fence motor error
		One of the following occurred: The return sensor does not switch on within 10 sec. after the rear fence motor switches on. The HP sensor does not switch on 10 sec. after the rear fence motor switches on. The machine prompted the operator to reset the tray.
		Rear fence motor harness disconnected or broken Paper or other obstacle interfering with operation of the sensors Overload caused by paper or other obstacle trapped between tray and motor Return sensor or HP sensor defective
		Check operation of rear fence and make sure nothing is interfering with its operation Pull out then push in tray to cycle the sensor off/on Replace rear fence return motor harness, or replace motor Replace rear fence return sensor harness, or replace sensor Replace rear fence HP sensor harness, or replace sensor

SC502-01	B	Tray 2 bottom plate lift error 1
		One of the following occurred at the start of the job: The tray 2 lift sensor does not switch on 10 s after the tray lift motor switches on and starts lifting the bottom plate. The tray lift sensor was on before the pick-up solenoid switched on. After the second detection the machine will prompt the operator to reset the tray by pulling it out and pushing it in to recycle detection off/on. If this fails after the third attempt, the machine will issue this SC and the tray will be disabled. However the other trays can still be used.
		Tray lift motor harness disconnected or broken Paper or other obstacle trapped between tray and motor Pick-up solenoid disconnected or broken, or paper or other obstacle blocking operation of pick-up solenoid Tray lift sensor harness loose, broken, defective or sensor defective
		Cycle the machine off/on Replace tray lift motor harness, or replace motor Check mechanical operation of the solenoid Replace pick-up solenoid harness, or replace solenoid Replace lift sensor harness, or replace sensor Replace IOB

SC502-02	B	Tray 2 bottom plate lift error 2
		The lower limit sensor did not go LOW within 2 sec. after the tray lowered at paper end, and the machine prompts the operator to reset the tray. After the second detection the machine will prompt the operator to reset the tray by pulling it out and pushing it in to recycle detection off/on. If this fails after the third attempt, the machine will issue this SC and the tray will be disabled. However the other trays can still be used.
		Lift motor harness loose, broken, defective Paper or other obstacle trapped between tray and motor Pick-up solenoid harness loose, broken, defective, or paper or other obstacle blocking operation solenoid
		Cycle the machine off/on Replace the lift motor harness, or replace motor Check mechanical operation of solenoid Replace pick-up solenoid harness, or replace solenoid Replace lift sensor harness, or replace sensor Replace IOB

SC503-01	B	Tray 3 bottom plate lift error 1
		One of the following occurred at the start of the job: The tray 3 lift sensor does not switch on 10 s after the tray lift motor switches on and starts lifting the bottom plate. The tray lift sensor was on before the pick-up solenoid switched on. After the second detection the machine will prompt the operator to reset the tray by pulling it out and pushing it in to recycle detection off/on. If this fails after the third attempt, the machine will issue this SC and the tray will be disabled. However the other trays can still be used.
		Tray lift motor harness disconnected or broken Paper or other obstacle trapped between tray and motor Pick-up solenoid disconnected or broken, or paper or other obstacle blocking operation of pick-up solenoid Tray lift harness loose, broken, defective, or harness defective
		Cycle the machine off/on Replace tray lift motor harness, or replace motor Check mechanical operation of pick-up solenoid Replace pick-up solenoid harness, or replace solenoid Replace tray lift sensor harness, or replace sensor Replace IOB

SC503-02	B	Tray 3 bottom plate lift error 2
		Low limit position of the tray not detected with 2 sec. after paper end and tray lowering. After the second detection the machine will prompt the operator to reset the tray by pulling it out and pushing it in to recycle detection off/on. If this fails after the third attempt, the machine will issue this SC and the tray will be disabled. However the other trays can still be used.
		Lift motor harness loose, broken, defective Paper or other obstacle trapped between tray and motor Pick-up solenoid harness loose, broken defective, or paper or other obstacle blocking operation of pick-up solenoid Tray lift sensor harness loose, broken, defective, or harness defective
		Cycle the machine off/on Replace tray lift motor harness, or replace motor Check mechanical operation of pick-up solenoid Replace pick-up solenoid harness, or replace solenoid Replace tray lift sensor harness, or replace sensor Replace IOB

SC504-01	B	A4 LCT Tray 1 lift error
		When the tray was initialized, the upper limit sensor failed to detect 3 times before the pick-up solenoid went ON. This error is on the LCT side. When this occurs the machine will prompt the operator to reset the tray. Pulling out and pushing in the tray re-initializes tray control, but if this fails after three attempts, the machine issues a tray error alert, increments the count for the LCT, issues this SC, and disables the tray. However, other trays can still be used.
		Pick-up solenoid harness broken, defective, or solenoid defective Upper limit sensor harness broken, defective, or sensor defective Above harnesses disconnected LCT main control board defective
		Replace pick-up solenoid harness, or solenoid Set upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC504-02	B	A4 LCT Tray 1 timeout error
		The bottom plate upper limit sensor did not go ON within 10 sec. after the LCT initialized and the bottom plate was lifted. This error is on the LCT side. When this occurs the machine will issue at tray timeout alert, issue this SC, and then disable the tray. However, the other trays can still be used.
		Lift motor harness broken, defective, or motor defective Upper limit sensor harness broken, defective, or sensor defective Above harneses disconnected LCT main control board defective
		Replace lift motor harness, or replace motor Replace lift sensor harness, or replace sensor Replace LCT main board harness Replace LCT main board

SC504-11	B	A3 LCT Tray 1 upper limit detection error
		The upper limit sensor failed to go ON (3 failures) before the pick-up solenoid went ON after LCT initialization. This error is on the LCT side. When this occurs the machine will prompt the operator to reset the tray. Pulling out and pushing in the tray re-initializes tray control, but if this fails after three attempts, the machine issues a tray error alert, increments the count for the LCT, issues this SC, and disables the tray. However, other trays can still be used.
		Pick-up solenoid harness loose, broken, defective, or solenoid defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harnesses disconnected LCT main control board defective
		Reset pick-up solenoid harness, or replace pick-up solenoid Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC504-12	B	A3 LCT Tray 1 timeout error
		The upper limit sensor did not go ON within 8 sec. after the LCT was initialized and the bottom plate of the tray started to rise. This error is on the LCT side. When this occurs the machine will issue at tray timeout alert, issue this SC, and then disable the tray. However, the other trays can still be used.
		Lift motor harness loose, broken, defective, or motor defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harneses disconnected LCT main control board defective
		Reset lift motor harness, or replace motor Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main control motor

SC504-16	B	A3 LCT Tray 1 front blower fan error
		The front blower fan was not detected at HIGH within 1 sec. after the fan switched ON and the LD signal check started.
		Front blower fan harness loose, broken, defective, or fan defective Fan harness defective LCT main control board defective
		Reset front fan harness, or replace fan Replace front fan harness Replace LCT main control board

SC504-17	B	A3 LCT Tray 1 rear blower fan error
		The rear blower fan was not detected at HIGH within 1 sec. after the fan switched ON and the LD signal check started.
		Rear blower fan harness loose, broken, defective, or fan defective Fan harness defective LCT main control board defective
		Reset rear fan harness, or replace fan Replace front fan harness Replace LCT main control board

SC504-22	B	Vacuum Feed LCIT 1: 1st Tray Error (Lifting Timeout)
		Either of the following conditions has been detected 5 times consecutively in total. During tray initialization, the Lower Limit Sensor or the sub paper remaining sensor was ON and the lift motor started lifting the plate but the Lower Limit Sensor or the sub paper remaining sensor does not become OFF 8 seconds after the lift motor started. During tray initialization, the Lower Limit Sensor or the sub paper remaining sensor was ON and the lift motor started lifting the plate but the Upper Limit Sensor 1 or 2 does not become ON 40 seconds after the lift motor started.
		Lift motor defective/disconnected sub paper remaining sensor defective/disconnected Lower Limit Sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the sub paper remaining sensor. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main boad.

SC504-23	B	Vacuum Feed LCIT 1: 1st Tray Error (Lowering Timeout)
		Either of the following conditions has been detected 5 times consecutively in total. During tray initialization, the Upper Limit Sensor 1 or 2 was ON and the Lower Limit Sensor was OFF and the lift motor started lowering the plate but the Upper Limit Sensor 1 or 2 is still ON 8 seconds after the lift motor started. During tray initialization, the Upper Limit Sensor 1 or 2 was OFF and both Lower Limit Sensor and the sub paper remaining sensor were OFF and the lift motor started lowering the plate but both the Lower Limit Sensor and the sub paper remaining sensor are still OFF 40 seconds after the lift motor started.
		Lift motor defective/disconnected Lower Limit Sensor defective/disconnected Sub paper remaining sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the sub paper remaining sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC504-24	B	Vacuum Feed LCIT 1: 1st Tray Error (Paper overload error)
		During tray initialization, the Upper Limit Sensor 1 or 2 and the Lower Limit Sensor were both ON 5 times consecutively.
		Paper overload Lower Limit Sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Reduce the number of sheets of paper loaded in the tray. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC504-25	B	Vacuum Feed LCIT 1: 1st Tray Error (Bottom plate ascending too much)
		The tray is set and the tray upper limit sensor detected that the bottom plate ascended too much.
		Tray upper limit sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the tray upper limit sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC504-26	B	Vacuum Feed LCIT 1: 1st Tray Error (Side Fan: Front Error)
SC504-27	B	Vacuum Feed LCIT 1: 1st Tray Error (Side Fan: Rear Error)
SC504-28	B	Vacuum Feed LCIT 1: 1st Tray Error (Float Fan error)
SC504-29	B	Vacuum Feed LCIT 1: 1st Tray Error (Separation Fan error)
SC504-30	B	Vacuum Feed LCIT 1: 1st Tray Error (Suction Fan 1 error)
SC504-31	B	Vacuum Feed LCIT 1: 1st Tray Error (Suction Fan 2 error)
		During operation of the corresponding fan, rotation of the fan was not detected for 1 second (Fans are always monitored during operation).
		Fan defective/disconnected Harness to the corresponding fan is broken. Main board defective
		Replace or reconnect the fan. Replace the broken harness. Replace the main board.

SC504-32	C	Vacuum Feed LCIT 1: 1st Tray Error (Sub Paper Remaining Sensor or Lower Limit Sensor Error)
		During bottom plate ascension, the encoder count after Lower Limit Sensor OFF exceeded 70 but the sub paper remaining sensor does not become ON. During tray initialization, both the Lower Limit Sensor and the sub paper remaining sensor were ON for 100 msec.
		Lower Limit Sensor defective/disconnected Sub paper remaining sensor defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lower Limit Sensor. Replace or reconnect the sub paper remaining sensor. Replace the broken harness. Replace the main board.

SC504-33	C	Vacuum Feed LCIT 1: 1st Tray Error (Sub Paper Remaining Sensor Error)
		During tray initialization, the status of the sub paper remaining sensor does not change within 3 seconds after the lift motor starts lifting the plate. During tray initialization, the status of the sub paper remaining sensor does not change within 3 seconds after the lift motor starts lowering the plate.
		Lift motor defective/disconnected Sub paper remaining sensor defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the sub paper remaining sensor. Replace the broken harness. Replace the main board.

SC504-34	B	Vacuum Feed LCIT 1: 1st Tray Error (Belt unit set error)
		The Paper Feed Belt Unit is not set even though the tray is set.
		The Paper Feed Belt Unit is not properly set. Paper Feed Belt Unit connector defective or disconnected Harness broken Main board defective
		Set the Paper Feed Belt Unit. Replace or reconnect the Paper Feed Belt Unit connector. Replace the broken harness. Replace the main board.

SC505-01	B	A4 LCT Tray 2 upper limit detection error
		The upper limit sensor failed to go ON (3 failures) before the pick-up solenoid went ON after LCT initialization. This error is on the LCT side. When this occurs the machine will prompt the operator to reset the tray. Pulling out and pushing in the tray re-initializes tray control, but if this fails after three attempts, the machine issues a tray error alert, increments the count for the LCT, issues this SC, and disables the tray. However, other trays can still be used.
		Pick-up solenoid harness loose, broken, defective, or solenoid defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harnesses disconnected LCT main control board defective
		Reset pick-up solenoid harness, or replace pick-up solenoid Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC505-02	B	A4 LCT Tray 2 timeout error
		The upper limit sensor did not go ON within 10 sec. after the LCT was initialized and the bottom plate of the tray started to rise. This error is on the LCT side. When this occurs the machine will issue at tray timeout alert, issue this SC, and then disable the tray. However, the other trays can still be used.
		Lift motor harness loose, broken, defective, or motor defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harneses disconnected LCT main control board defective
		Reset lift motor harness, or replace motor Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main control motor

SC505-11	B	A3 LCT Tray 2 upper limit detection error
		The upper limit sensor failed to go ON (3 failures) before the pick-up solenoid went ON after LCT initialization. This error is on the LCT side. When this occurs the machine will prompt the operator to reset the tray. Pulling out and pushing in the tray re-initializes tray control, but if this fails after three attempts, the machine issues a tray error alert, increments the count for the LCT, issues this SC, and disables the tray. However, other trays can still be used.
		Pick-up solenoid harness loose, broken, defective, or solenoid defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harnesses disconnected LCT main control board defective
		Reset pick-up solenoid harness, or replace pick-up solenoid Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC505-12	B	A3 LCT Tray 2 timeout error
		The upper limit sensor did not go ON within 27 sec. after the LCT was initialized and the bottom plate of the tray started to rise. This error is on the LCT side. When this occurs the machine will issue at tray timeout alert, issue this SC, and then disable the tray. However, the other trays can still be used.
		Lift motor harness loose, broken, defective, or motor defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harneses disconnected LCT main control board defective
		Reset lift motor harness, or replace motor Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main control motor

SC505-16	B	A3 LCT Tray 2 front blower fan error
		The front blower fan was not detected at HIGH within 700 ms. after the fan switched ON and the LD signal check started.
		Front blower fan harness loose, broken, defective, or fan defective Fan harness defective LCT main control board defective
		Reset front fan harness, or replace fan Replace front fan harness Replace LCT main control board

SC505-17	B	A3 LCT Tray 2 rear blower fan error
		The rear blower fan was not detected at HIGH within 1 sec. after the fan switched ON and the LD signal check started.
		Rear blower fan harness loose, broken, defective, or fan defective Fan harness defective LCT main control board defective
		Reset rear fan harness, or replace fan Replace front fan harness Replace LCT main control board

SC505-22	B	Vacuum Feed LCIT 1: 2nd Tray Error (Lifting Timeout)
		Either of the following conditions has been detected 5 times consecutively in total. During tray initialization, the Lower Limit Sensor or the sub paper remaining sensor was ON and the lift motor started lifting the plate but the Lower Limit Sensor or the sub paper remaining sensor does not become OFF 8 seconds after the lift motor started. During tray initialization, the Lower Limit Sensor or the sub paper remaining sensor was ON and the lift motor started lifting the plate but the Upper Limit Sensor 1 or 2 does not become ON 40 seconds after the lift motor started.
		Lift motor defective/disconnected Sub paper remaining sensor defective/disconnected Lower Limit Sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the sub paper remaining sensor. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC505-23	B	Vacuum Feed LCIT 1: 2nd Tray Error (Lowering Timeout)
		Either of the following conditions has been detected 5 times consecutively in total. During tray initialization, the Upper Limit Sensor 1 or 2 was ON and the Lower Limit Sensor was OFF and the lift motor started lowering the plate but the Upper Limit Sensor 1 or 2 is still ON 8 seconds after the lift motor started. During tray initialization, the Upper Limit Sensor 1 or 2 was OFF and both Lower Limit Sensor and the sub paper remaining sensor were OFF and the lift motor started lowering the plate but both the Lower Limit Sensor and the sub paper remaining sensor are still OFF 40 seconds after the lift motor started.
		Lift motor defective/disconnected Lower Limit Sensor defective/disconnected Sub paper remaining sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the sub paper remaining sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC505-24	B	Vacuum Feed LCIT 1: 2nd Tray Error (Paper overload error)
		During tray initialization, the Upper Limit Sensor 1 or 2 and the Lower Limit Sensor were both ON 5 times consecutively.
		Paper overload Lower Limit Sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Reduce the number of sheets of paper loaded in the tray. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC505-25	B	Vacuum Feed LCIT 1: 2nd Tray Error (Bottom plate ascending too much)
		The tray is set and the tray upper limit sensor detected that the bottom plate ascended too much.
		Tray upper limit sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the tray upper limit sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC505-26	B	Vacuum Feed LCIT 1: 2nd Tray Error (Side Fan: Front Error)
SC505-27	B	Vacuum Feed LCIT 1: 2nd Tray Error (Side Fan: Rear Error)
SC505-28	B	Vacuum Feed LCIT 1: 2nd Tray Error (Float Fan error)
SC505-29	B	Vacuum Feed LCIT 1: 2nd Tray Error (Separation Fan error)
SC505-30	B	Vacuum Feed LCIT 1: 2nd Tray Error (Suction Fan 1 error)
SC505-31	B	Vacuum Feed LCIT 1: 2nd Tray Error (Suction Fan 2 error)
		During operation of the corresponding fan, rotation of the fan was not detected for 1 second (Fans are always monitored during operation).
		Fan defective/disconnected Harness to the corresponding fan is broken. Main board defective
		Replace or reconnect the fan. Replace the broken harness. Replace the main board.

SC505-32	C	Vacuum Feed LCIT 1: 2nd Tray Error (Sub paper Remaining sensor or Lower Limit Sensor error)
		During bottom plate ascension, the encoder count after Lower Limit Sensor OFF exceeded 70 but the sub paper remaining sensor does not become ON. During tray initialization, both the Lower Limit Sensor and the sub paper remaining sensor were ON for 100 msec.
		Lower Limit Sensor defective/disconnected Sub paper remaining sensor defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lower Limit Sensor. Replace or reconnect the sub paper remaining sensor. Replace the broken harness. Replace the main board.

SC505-33	C	Vacuum Feed LCIT 1: 2nd Tray Error (Sub Paper Remaining Sensor Error)
		During tray initialization, the status of the sub paper remaining sensor does not change within 3 seconds after the lift motor starts lifting the plate. During tray initialization, the status of the sub paper remaining sensor does not change within 3 seconds after the lift motor starts lowering the plate.
		Lift motor defective/disconnected Sub paper remaining sensor defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the sub paper remaining sensor. Replace the broken harness. Replace the main board.

SC505-34	B	Vacuum Feed LCIT 1: 2nd Tray Error (Belt unit set error)
		The Paper Feed Belt Unit is not set even though the tray is set.
		The Paper Feed Belt Unit is not properly set. Paper Feed Belt Unit connector defective or disconnected Harness broken Main board defective
		Set the Paper Feed Belt Unit. Replace or reconnect the Paper Feed Belt Unit connector. Replace the broken harness. Replace the main board.

SC506-01	B	A4 LCT Tray 3 upper limit detection error
		The upper limit sensor failed to go ON (3 failures) before the pick-up solenoid went ON after LCT initialization. This error is on the LCT side. When this occurs the machine will prompt the operator to reset the tray. Pulling out and pushing in the tray re-initializes tray control, but if this fails after three attempts, the machine issues a tray error alert, increments the count for the LCT, issues this SC, and disables the tray. However, other trays can still be used.
		Pick-up solenoid harness loose, broken, defective, or solenoid defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harnesses disconnected LCT main control board defective
		Reset pick-up solenoid harness, or replace pick-up solenoid Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC506-02	B	A4 LCT Tray 3 timeout error
		The upper limit sensor did not go ON within 10 sec. after the LCT was initialized and the bottom plate of the tray started to rise. This error is on the LCT side. When this occurs the machine will issue at tray timeout alert, issue this SC, and then disable the tray. However, the other trays can still be used.
		Lift motor harness loose, broken, defective, or motor defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harneses disconnected LCT main control board defective
		Reset lift motor harness, or replace motor Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main control motor

SC506-11	B	A3 LCT Tray 3 upper limit detection error
		The upper limit sensor failed to go ON (3 failures) before the pick-up solenoid went ON after LCT initialization. This error is on the LCT side. When this occurs the machine will prompt the operator to reset the tray. Pulling out and pushing in the tray re-initializes tray control, but if this fails after three attempts, the machine issues a tray error alert, increments the count for the LCT, issues this SC, and disables the tray. However, other trays can still be used.
		Pick-up solenoid harness loose, broken, defective, or solenoid defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harnesses disconnected LCT main control board defective
		Reset pick-up solenoid harness, or replace pick-up solenoid Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC506-12	B	A3 LCT Tray 3 timeout error
		The upper limit sensor did not go ON within 8 sec. after the LCT was initialized and the bottom plate of the tray started to rise. This error is on the LCT side. When this occurs the machine will issue at tray timeout alert, issue this SC, and then disable the tray. However, the other trays can still be used.
		Lift motor harness loose, broken, defective, or motor defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harneses disconnected LCT main control board defective
		Reset lift motor harness, or replace motor Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main control motor

SC506-16	B	A3 LCT Tray 3 front blower fan error
		The front blower fan was not detected at HIGH within 700 ms. after the fan switched ON and the LD signal check started.
		Front blower fan harness loose, broken, defective, or fan defective Fan harness defective LCT main control board defective
		Reset front fan harness, or replace fan Replace front fan harness Replace LCT main control board

SC506-17	B	A3 LCT Tray 3 rear blower fan error
		The rear blower fan was not detected at HIGH within 1 sec. after the fan switched ON and the LD signal check started.
		Rear blower fan harness loose, broken, defective, or fan defective Fan harness defective LCT main control board defective
		Reset rear fan harness, or replace fan Replace front fan harness Replace LCT main control board

SC506-22	B	Vacuum Feed LCIT 2: 1st Tray Error (Lifting Timeout)
		Either of the following conditions has been detected 5 times consecutively in total. During tray initialization, the Lower Limit Sensor or the sub paper remaining sensor was ON and the lift motor started lifting the plate but the Lower Limit Sensor or the sub paper remaining sensor does not become OFF 8 seconds after the lift motor started. During tray initialization, the Lower Limit Sensor or the sub paper remaining sensor was ON and the lift motor started lifting the plate but the Upper Limit Sensor 1 or 2 does not become ON 40 seconds after the lift motor started.
		Lift motor defective/disconnected Sub paper remaining sensor defective/disconnected Lower Limit Sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the sub paper remaining sensor. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC506-23	B	Vacuum Feed LCIT 2: 1st Tray Error (Lowering Timeout)
		Either of the following conditions has been detected 5 times consecutively in total. During tray initialization, the Upper Limit Sensor 1 or 2 was ON and the Lower Limit Sensor was OFF and the lift motor started lowering the plate but the Upper Limit Sensor 1 or 2 is still ON 8 seconds after the lift motor started. During tray initialization, the Upper Limit Sensor 1 or 2 was OFF and both Lower Limit Sensor and the sub paper remaining sensor were OFF and the lift motor started lowering the plate but both the Lower Limit Sensor and the sub paper remaining sensor are still OFF 40 seconds after the lift motor started.
		Lift motor defective/disconnected Lower Limit Sensor defective/disconnected Sub paper remaining sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the sub paper remaining sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board .

SC506-24	B	Vacuum Feed LCIT 2: 1st Tray Error (Paper overload error)
		During tray initialization, the Upper Limit Sensor 1 or 2 and the Lower Limit Sensor were both ON 5 times consecutively.
		Paper overload Lower Limit Sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Reduce the number of sheets of paper loaded in the tray. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC506-25	B	Vacuum Feed LCIT 2: 1st Tray Error (Bottom plate ascending too much)
		The tray is set and the tray upper limit sensor detected that the bottom plate ascended too much.
		Tray upper limit sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the tray upper limit sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC506-26	B	Vacuum Feed LCIT 2: 1st Tray Error (Side Fan: Front Error)
SC506-27	B	Vacuum Feed LCIT 2: 1st Tray Error (Side Fan: Rear Error)
SC506-28	B	Vacuum Feed LCIT 2: 1st Tray Error (Float Fan error)
SC506-29	B	Vacuum Feed LCIT 2: 1st Tray Error (Separation Fan error)
SC506-30	B	Vacuum Feed LCIT 2: 1st Tray Error (Suction Fan 1 error)
SC506-31	B	Vacuum Feed LCIT 2: 1st Tray Error (Suction Fan 2 error)
		During operation of the corresponding fan, rotation of the fan was not detected for 1 second (Fans are always monitored during operation).
		Fan defective/disconnected Harness to the corresponding fan is broken. Main board defective
		Replace or reconnect the fan. Replace the broken harness. Replace the main board.

SC506-32	C	Vacuum Feed LCIT 2: 1st Tray Error (sub paper remaining sensor or Lower Limit Sensor error)
		During bottom plate ascension, the encoder count after Lower Limit Sensor OFF exceeded 70 but the sub paper remaining sensor does not become ON. During tray initialization, both the Lower Limit Sensor and the sub paper remaining sensor were ON for 100 msec.
		Lower Limit Sensor defective/disconnected Sub paper remaining sensor defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lower Limit Sensor. Replace or reconnect the sub paper remaining sensor. Replace the broken harness. Replace the main board.

SC506-33	C	Vacuum Feed LCIT 2: 1st Tray Error (Sub Paper Remaining Sensor Error)
		During tray initialization, the status of the sub paper remaining sensor does not change within 3 seconds after the lift motor starts lifting the plate. During tray initialization, the status of the sub paper remaining sensor does not change within 3 seconds after the lift motor starts lowering the plate.
		Lift motor defective/disconnected Sub paper remaining sensor defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the sub paper remaining sensor. Replace the broken harness. Replace the main board.

SC506-34	B	Vacuum Feed LCIT 2: 1st Tray Error (Belt unit set error)
		The Paper Feed Belt Unit is not set even though the tray is set.
		The Paper Feed Belt Unit is not properly set. Paper Feed Belt Unit connector defective or disconnected Harness broken Main board defective
		Set the Paper Feed Belt Unit. Replace or reconnect the Paper Feed Belt Unit connector. Replace the broken harness. Replace the main board.

SC507-22	B	Vacuum Feed LCIT 2: 2nd Tray Error (Lifting Timeout)
		Either of the following conditions has been detected 5 times consecutively in total. During tray initialization, the Lower Limit Sensor or the sub paper remaining sensor was ON and the lift motor started lifting the plate but the Lower Limit Sensor or the sub paper remaining sensor does not become OFF 8 seconds after the lift motor started. During tray initialization, the Lower Limit Sensor or the sub paper remaining sensor was ON and the lift motor started lifting the plate but the Upper Limit Sensor 1 or 2 does not become ON 40 seconds after the lift motor started.
		Lift motor defective/disconnected Sub paper remaining sensor defective/disconnected Lower Limit Sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the sub paper remaining sensor. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC507-23	B	Vacuum Feed LCIT 2: 2nd Tray Error (Lowering Timeout)
		Either of the following conditions has been detected 5 times consecutively in total. During tray initialization, the Upper Limit Sensor 1 or 2 was ON and the Lower Limit Sensor was OFF and the lift motor started lowering the plate but the Upper Limit Sensor 1 or 2 is still ON 8 seconds after the lift motor started. During tray initialization, the Upper Limit Sensor 1 or 2 was OFF and both Lower Limit Sensor and the sub paper remaining sensor were OFF and the lift motor started lowering the plate but both the Lower Limit Sensor and the sub paper remaining sensor are still OFF 40 seconds after the lift motor started.
		Lift motor defective/disconnected Lower Limit Sensor defective/disconnected Sub paper remaining sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the sub paper remaining sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC507-24	B	Vacuum Feed LCIT 2: 2nd Tray Error (Paper overload error)
		During tray initialization, the Upper Limit Sensor 1 or 2 and the Lower Limit Sensor were both ON 5 times consecutively.
		Paper overload Lower Limit Sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Reduce the number of sheets of paper loaded in the tray. Replace or reconnect the Lower Limit Sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC507-25	B	Vacuum Feed LCIT 2: 2nd Tray Error (Bottom plate ascending too much)
		The tray is set and the tray upper limit sensor detected that the bottom plate ascended too much.
		Tray upper limit sensor defective/disconnected Upper Limit Sensor 1 defective/disconnected Upper Limit Sensor 2 defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the tray upper limit sensor. Replace or reconnect the Upper Limit Sensor 1. Replace or reconnect the Upper Limit Sensor 2. Replace the broken harness. Replace the main board.

SC507-26	B	Vacuum Feed LCIT 2: 2nd Tray Error (Side Fan: Front Error)
SC507-27	B	Vacuum Feed LCIT 2: 2nd Tray Error (Side Fan: Rear Error)
SC507-28	B	Vacuum Feed LCIT 2: 2nd Tray Error (Float Fan error)
SC507-29	B	Vacuum Feed LCIT 2: 2nd Tray Error (Separation Fan error)
SC507-30	B	Vacuum Feed LCIT 2: 2nd Tray Error (Suction Fan 1 error)
SC507-31	B	Vacuum Feed LCIT 2: 2nd Tray Error (Suction Fan 2 error)
		During operation of the corresponding fan, rotation of the fan was not detected for 1 second (Fans are always monitored during operation).
		Fan defective/disconnected Harness to the corresponding fan is broken. Main board defective
		Replace or reconnect the fan. Replace the broken harness. Replace the main board.

SC507-32	C	Vacuum Feed LCIT 2: 2nd Tray Error (sub paper remaining sensor or Lower Limit Sensor error)
		During bottom plate ascension, the encoder count after Lower Limit Sensor OFF exceeded 70 but the sub paper remaining sensor does not become ON. During tray initialization, both the Lower Limit Sensor and the sub paper remaining sensor were ON for 100 msec.
		Lower Limit Sensor defective/disconnected Sub paper remaining sensor defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lower Limit Sensor. Replace or reconnect the sub paper remaining sensor. Replace the broken harness. Replace the main board.

SC507-33	C	Vacuum Feed LCIT 2: 2nd Tray Error (Sub Paper Remaining Sensor Error)
		During tray initialization, the status of the sub paper remaining sensor does not change within 3 seconds after the lift motor starts lifting the plate. During tray initialization, the status of the sub paper remaining sensor does not change within 3 seconds after the lift motor starts lowering the plate.
		Lift motor defective/disconnected Sub paper remaining sensor defective/disconnected A harness to one of the parts listed above is broken. Main board defective
		Replace or reconnect the Lift motor. Replace or reconnect the sub paper remaining sensor. Replace the broken harness. Replace the main board.

SC507-34	B	Vacuum Feed LCIT 2: 2nd Tray Error (Belt unit set error)
		The Paper Feed Belt Unit is not set even though the tray is set.
		The Paper Feed Belt Unit is not properly set. Paper Feed Belt Unit connector defective or disconnected Harness broken Main board defective
		Set the Paper Feed Belt Unit. Replace or reconnect the Paper Feed Belt Unit connector. Replace the broken harness. Replace the main board.

SC509-01	B	Multi bypass tray upper limit detection error
		The upper limit sensor failed to go ON (3 failures) before the pick-up solenoid went ON after LCT initialization. This error is on the LCT side. When this occurs the machine will prompt the operator to reset the tray. Pulling out and pushing in the tray re-initializes tray control, but if this fails after three attempts, the machine issues a tray error alert, increments the count for the LCT, issues this SC, and disables the tray. However, other trays can still be used.
		Pick-up solenoid harness loose, broken, defective, or solenoid defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harnesses disconnected LCT main control board defective
		Reset pick-up solenoid harness, or replace pick-up solenoid Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace Multi Bypass control board or LCT main board

SC509-02	B	Multi bypass tray lift timeout error
		The upper limit sensor did not go ON within 10 sec. after the LCT was initialized and the bottom plate of the tray started to rise. This error is on the LCT side. When this occurs the machine will issue at tray timeout alert, issue this SC, and then disable the tray. However, the other trays can still be used.
		Lift motor harness loose, broken, defective, or motor defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harneses disconnected LCT main control board defective
		Reset lift motor harness, or replace motor Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main control motor

SC509-03	B	Multi bypass tray lower timeout error
		The upper limit sensor did not go ON within 10 sec. after the LCT was initialized and the bottom plate of the tray started to rise. This error is on the LCT side. When this occurs the machine will issue at tray timeout alert, issue this SC, and then disable the tray. However, the other trays can still be used.
		Lift motor harness loose, broken, defective, or motor defective Upper limit sensor harness loose, broken, defective, or sensor defective Above harneses disconnected LCT main control board defective
		Reset lift motor harness, or replace motor Reset upper limit sensor harness, or replace sensor Replace above harnesses Replace LCT main control motor

SC510-01	D	Double-feed sensor error 1
		The machine detected an error at one or both of the double feed sensors at power on.
		Control board (IOB, DRB, UTB, URB) defectie Harness loose, broken, defective PCB installed incorrectly
		Check control board installations Replace IOB Replace DRB Check and replace double-feed sensor harness

SC510-02	D	Double-feed sensor error 2
		Error detected in double-feed sensor output.
		Control board (IOB, DRB, UTB, URB) defectie Harness loose, broken, defective
		Replace IOB Replace DRB Check and replace double-feed sensor harness

SC512-00	D	Rotary gate home position error
		One of the following occurred: The gate home position sensor did notgo ON within two cycles after the gate motor started to operate. The rotary gate HP sensor did not go ON within two cycles (877 sec.) of the rotary gate motor starting, or, the the HP sensor did not go OFF within two cycles of the rotary gate motor starting aftter the sensor went ON.
		Rotary gate motor harness loose, broken, defective HP sensor connector loose, broken, defective Motor overload (blocked) Motor driver defective Sensor defective
		Cycle the machine off/on Inspect the area around the rotary gate and remove any obstacles Reset rotary gate motor connector, or replace motor Reset HP sensor harness, or replace sensor Replace DRB

SC513-01	D	Leading edge shift unit HP error 1: Initialization
		At power on, the shift unit HP sensor was not detected on or off at the prescribed time. Normally, the HP sensor should to ON to initialize at power on, and when the front doors are closed.
		Registration shift motor harness loose, broken, defective HP sensor connector loose, broken, defective Registration shift motor overload due to blockage Motor driver defective Sensor defective
		Cycle the machine off/on Inspect the area around the mechanism and remove any obstacles Reset registration shift motor connector, or replace motor Reset HP sensor harness, or replace sensor Check the condition of the sensor detection plate Replace DRB

SC513-02	D	Leading edge shift unit error 2: During operation
		During continuous operation, the shift unit HP sensor was not detected on or off at the prescribed time. Normally, the HP sensor should to ON to initialize at power on, and when the front doors are closed.
		Registration shift motor harness loose, broken, defective HP sensor connector loose, broken, defective Registration shift motor overload due to blockage Motor driver defective Sensor detection plate warped, broken, out of position
		Cycle the machine off/on Inspect the area around the mechanism and remove any obstacles Reset registration shift motor connector, or replace motor Reset HP sensor harness, or replace sensor Check the condition of the sensor detection plate Replace DRB

SC513-11	B	Trailing edge shift unit HP sensor error 1: Initialization
		The shift unit HP sensor was not detected on or off at the prescribed time. Normally, the HP sensor should to ON to initialize at power on, and when the front doors are closed.
		Trailing edge shift motor harness loose, broken, defective HP sensor connector loose, broken, defective Registration shift motor overload due to blockage Motor driver defective Sensor detection plate warped, broken, out of position
		Cycle the machine off/on Inspect the area around the mechanism and remove any obstacles Reset registration shift motor harness, or replace motor Reset HP sensor harness, or replace sensor Check the condition of the sensor detection plate Replace DRB

SC513-12	C	Trailing edge shift HP sensor error 2: During operation
		During continuous operation, the shift unit HP sensor was not detected on or off at the prescribed time. Normally, the HP sensor should to ON to initialize at power on, and when the front doors are closed.
		Trailing edge shift motor harness loose, broken, defective HP sensor connector loose, broken, defective Trailing edge shift motor overload due to blockage Motor driver defective Sensor detection plate warped, broken, out of position
		Inspect the area around the mechanism and remove any obstacles Reset registration shift motor connector, or replace motor Reset HP sensor harness, or replace sensor Check the condition of the sensor detection plate Replace DRB

SC514-00	C	Exit junction gate HP sensor error
		The HP junction gate HP sensor did not detect at the prescribed time. The HP sensor did not go from ON to OFF at the prescribed time after the junction gate was supposed to change position.
		Exit junction gate motor harness loose, broken, defective, or motor defective HP sensor harness loose, broken, defective, or sensor defective
		Check the area around the junction gate and remove paper scraps, etc. Check motor harness, or replace motor Check sensor harness, or replace sensor

SC515-01	B	Separation motor home position error 1: Main machine
		The motor that separates the relay rollers in the main machine to free the paper for image shift adjustment is defective, or its HP sensor, is not operating correctly
		Separation motor harness loose, broken, defective, or motor defective HP sensor harness loose, broken, defective, or harness defective
		Cycle the machine off/on Check the area around the junction gate and remove paper scraps, etc. Check motor harness, or replace motor Check sensor harness, or replace sensor

SC515-02	B	Separation motor home position error 2: LCT
		The motor that separates the relay rollers in the LCT path to free the paper for image shift adjustment, or its HP sensor, is not operating correctly.
		Separation motor harness loose, broken, defective, or motor defective LCT relay separation HP sensor harness loose, broken, defective, or harness defective
		Cycle the machine off/on Check the area around the junction gate and remove paper scraps, etc. Check motor harness, or replace motor Check sensor harness, or replace sensor

SC515-03	B	Separation motor home position error 3: Invert/exit
		The separation motor or its HP sensor is not operating correctly.
		Separation motor harness loose, broken, defective, or motor defective Invert/exit separation HP sensor harness loose, broken, defective, or harness defective
		Cycle the machine off/on Check the area around the junction gate and remove paper scraps, etc. Check motor harness, or replace motor Check sensor harness, or replace sensor

SC515-04	B	Separation motor home position error 4: LCT exit
		The motor that separates the relay rollers in the LCT path to free the paper for image shift adjustment at the LCT exit is defective, or its HP sensor, is not operating correctly.
		LCT exit separation motor harness loose, broken, or motor defective Pressure release HP sensor harness loose, broken, defective, sensor defective Above harnesses defective LCT main control board defective
		Cycle the machine off/on Reset LCT exit separation motor harness, or replace motor Reset pressure release HP sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC515-05	B	LCT 2 Separation Motor Error
		The motor that separates the relay rollers in the LCT path to free the paper for image shift adjustment at the LCT exit is defective, or its HP sensor, is not operating correctly.
		LCT exit separation motor harness loose, broken, or motor defective Pressure release HP sensor harness loose, broken, defective, sensor defective Above harnesses defective LCT main control board defective
		Cycle the machine off/on Reset LCT exit separation motor harness, or replace motor Reset pressure release HP sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC515-06	B	LCT 2 Separation Motor Error
		The motor that separates the relay rollers in the LCT path to free the paper for image shift adjustment at the LCT exit is defective, or its HP sensor, is not operating correctly.
		LCT exit separation motor harness loose, broken, or motor defective Pressure release HP sensor harness loose, broken, defective, sensor defective Above harnesses defective LCT main control board defective
		Cycle the machine off/on Reset LCT exit separation motor harness, or replace motor Reset pressure release HP sensor harness, or replace sensor Replace above harnesses Replace LCT main board

SC520-00	D	Fusing motor error
		The drive board of the fusing motor issued an error signal (the board and motor are attached).
		Motor connector loose, broken Excessive torque on fusing roller due to jam, blockage Fusing motor drive board defective Fusing motor defective Fusing motor harness loose, broken, defective
		Reset fusing motor harness Check fusing unit and remove any paper scraps that could interfere with normal operation of the unit Replace motor drive board Replace motor

SC521-00	D	Exit motor error
		The drive board of the motor issued an error signal (PCB and motor comprise a single unit).
		Motor connector or harness loose, broken, defective Excessive torque on the exit drive mechanism Motor drive board defective Motor defective IOB defective
		Check the area around the exit motor and remove any paper scraps, etc. that could interfere with operation of the motor Check motor harness for breaks, defects Replace motor Replace IOB

SC522-00	D	Heat Pipe Motor Error
		The drive board of the motor issued an error signal (PCB and motor comprise a single unit).
		An obstacle is interfering with the operation of the cooling fan unit Motor connector or harness loose, broken, defective Motor or harness defective IOB defective
		Inspect the are around the heat pipe and belt for jammed paper or any foreign object that could interfere with operation Inspect motor harness, connector Replace motor Replace IOB

SC530-	**	D	Main machine fan errors
	01	D	Laser unit cooling fan
	02	D	Belt cleaning unit fan
	08	D	Fusing transport exit fan
	09	D	Fusing unit exit fan – Upper
	10	D	Fusing unit exit fan – Lower
	13	D	Heat pipe fan – Rear, right
	14	D	Heat pip fan – Rear, left
	15	D	Exit fan – Rear, right
	16	D	Paper exit fan – Rear, left
	17	D	Heat pipe cooling fan
	18	D	Heat pipe cooling fan
	19	D	PSU cooling fan - Right
	20	D	PSU cooling fan - Left
	21	D	PTR cooling fan - Front
	22	D	PTR cooling fan – Rear
	23	D	Decurler Fan
	24	D	PSU-C Fan
			A signal indicated that a fan stopped operating for over 5 sec.
			Fan overload, stopped due to physical obstruction blocking its rotation Fan motor harness disconnected or broken Fan defective
			Check fan Check fan connector Replace fan

SC531-	**	D	Main machine PWM fan errors
	-01	D	Development cooling fan - Front
	-02	D	Development cooling fan - Rear
	-03	D	Ozone suction fan
	-04	D	Ozone exhaust fan
	-05	D	Right suction fan - Front
	-06	D	Right suction fan - Rear
	-07	D	Right suction fan - Center
			A signal indicated that a fan stopped operating for over 10 sec.
			Fan overload, stopped due to physical obstruction blocking its rotation Fan motor harness disconnected or broken Fan defective
			Check fan Check fan connector Replace fan

SC532-	**	C	Main machine fans: Logged errors
	-01	C	Duplex fan – Lower, front
	-02	C	Duplex fan – Lower rear
	-03	C	PSU intake fan M1 right
	-04	C	PSU exhaust fan M1 left
	-05	C	PSU intake fan M2 right
	-06	C	PSU exhaust fan M2 left
	-08	C	ID sensor cooling fan
	-09	C	Paper intake fan – Front
	-10	C	Paper intake fan – Rear
	-11	C	CIS cleaning fan
			A signal indicated that a fan stopped operating for over 5 sec. This SC error is logged and the machine continues to operate
			Fan overload, stopped due to physical obstruction blocking its rotation Fan motor harness disconnected or broken Fan defective
			Check fan Check fan connector Replace fan

SC541-00	A	Fusing thermopile (center) error
		Temperature detected below -40°C for 3 sec. (temperature sampled every 100 ms).
		Thermopile connection loose Thermopile connected incorrectly
		Check thermopile connector Replace thermopile

SC542-01	A	Reload temperature error 1: Center thermopile time-out
		Fusing temperature failed to reach 80°C within 75 sec. after the start of fusing temperature control at start up, after a front door is opened and closed, or after fusing temperature control
		Thermoplie dirty, damaged, out of position Incorrect input voltage
		Check harness, connector Replace thermopile

SC542-02	A	Reload temperature error 2: Fusing thermopile: center
		Fusing temperature failed to reach reload temperature within 270 sec. after the start of fusing temperature control.
		Fusing lamp disconnected Overheating disconnect by thermistor
		Replace thermopile Replace heating lamp Check, replace thermistors

SC543-00	A	Software high temperature error: Center thermopile
		Temperature over 250°C detected 10 times (temperature is sampled every 100 ms).
		Heating lamp control error (TRIAC short) IOB defective
		Replace IOB Replace AC drive board

SC544-01	A	Heating roller NC sensor: center error
		High temperature detected above 290°C.
		Heating lamp control error (TRIAC short) IOB defective
		Replace IOB Replace center NC sensor Replace AC drive board

SC544-02	A	Hardware fusing temperature sensor: center error
		High temperature above 270°C detected.
		Heating lamp control error (TRIAC short) IOB defective
		Replace IOB Replace thermopile Replace AC drive board

SC545-01	A	Fusing lamp on error: Fusing lamp 1, 2, 3
		A fusing lamp remained at full power for more than 50 sec.
		Thermistor out of position, installed incorrectly Fusing lamp disconnected Overheat prevention disconnect by thermistor
		Check thermistor Replace thermistor Replace fusing lamp 1, 2, 3 Replace IOB Replace AC drive board

SC547-01	D	Fusing relay error 1
		Zero cross signal was detected even though the fusing relay was OFF
		Fusing relay damaged Door switch defective
		Cycle the machine off/on If fusing relay defective, replace AC drive board Replace door switch

SC547-02	D	Fusing relay error 2
		Zero cross signal was not detected even though the fusing relay was ON
		Fusing relay damaged Fusing relay circuit damaged Door switch defective
		Cycle the machine off/on If fusing relay defective, replace AC drive board Replace door switch

SC547-03	D	Zero cross over error
		At power-on the machine detected that the main power supply was unstable (zero cross less than 50 Hz), probably due to electrical noise on the line.
		The voltage on the power supply line is unstable
		Cycle the machine off/on Check the stability of the power supply line

SC549-01	D	Temperature low error 1: Center thermopile
		Fusing temperature dropped during operation.
		Fusing lamp disconnect
		Check fusing lamp Replace lamp

SC550-00	A	Thermistor disconnect error 1: Heating roller NC sensor:Center
		Temperature detected below 0°C for 30 sec
		Thermistor disconnected Thermistor connector damaged
		Check thermistor connector Replace thermistor harness Replace thermistor Replace fusing lamp

SC551-00	A	Thermistor disconnect error 2: End thermopile
		Temperature detected below -40°C for 3 sec (temperature sampled every 100 ms).
		Thermistor disconnected Thermistor connector damaged
		Check connector Replace connector harness Replace thermopile Replace fusing lamp

SC553-00	A	Software high temperature error: End thermopile
		Temperature detected above 250°C for 10 sec. (temperature sampled every 100 ms).
		Fusing lamp control short (TRIAC short) IOB defective
		Replace IOB Replace AC drive board

SC554-01	A	Hardware high temperature error: End fusing temperature sensor
		High temperature detected above 290°C.
		Fusing lamp control short (TRIAC short) IOB defective
		Replace IOB Replace temperature sensor Replace AC drive board

SC554-02	A	Hardware temperature error: End thermopile
		High temperature detected above 270°C.
		Fusing lamp control short (TRIAC short) IOB defective
		Replace IOB Replace thermopile Replace AC drive board

SC557-03	C	Zero cross cycle over
		If this error occurs, it is only logged (set for 60 Hz and operating normally)
		Zero cross signal frequency slightly unstable, due to noise on the power supply line
		Install a noise suppressor

SC558-00	A	Thermistor disconnect error: Pressure roller thermistor
		Temperature detected below 0°C for 155 sec. (temperature sampled every 100 ms).
		Thermistor disconnected Thermistor connector damaged, defective
		Replace thermistor Check connector Replace harness, connector Replace fusing lamp

SC559-00	A	Three consecutive fusing jams
		This SC only occurs if SP1142 is ON (Default: OFF), and paper jams occurred in the fusing unit for three consecutive feeds. With SP1142 set to "1" (ON) the machine operation can be restored only by the service technician after three consecutive jams occur.
		Fusing unit defecive Paper wrapped around a fusing roller Defective fusing entrance sensors
		Open fusing unit, check paper path, remove paper scraps Check the paper settings Replace the fusing entrance sensors

SC560-00	A	Thermistor disconnect error: Heating roller NC sensor: end
		Temperature detected below 0°C for 35 sec. (temperature sampled every 100 ms).
		Thermistor disconnected Thermistor connector damaged
		Replace fusing entrance sensors Check connectors Replace harnesses, connectors Replace fusing lamp

SC561-00	A	Thermistor disconnect error: Pressure roller NC sensor
		Temperature detected below 0°C for 80 sec. (temperature sampled every 100 ms).
		Thermistor disconnected Thermistor connector damaged
		Replace thermistor Check harness, connectors Replace harness, connectors Replace fusing lamp

SC562-01	A	Fusing reload temperature error: Pressure roller NC sensor
		Fusing temperature failed to reach 45°C with 80 sec.
		Fusing lamp disconnected Overheat prevention disconnect by thermistor
		Replace thermistor Replace fusing lamp Use within recommended temperature range

SC562-02	A	Fusing reload temperature error: Pressure roller NC sensor
		Temperature failed to reach reload temperature within 350 sec. after start of fusing temperature control.
		Fusing lamp disconnected Overheat prevention disconnect by thermistor
		Replace NC sensor Replace fusing lamp Use within recommended temperature range

SC563-00	A	Software high temperature error: Pressure roller NC sensor
		Temperature detected above 220°C for 10 sec. (temperature sampled every 100 ms).
		Fusing lamp temperature control short (TRIAC short) IOB defective
		Replace IOB Replace AC drive board

SC564-00	A	Hardware high temperature error: Pressure roller thermistor
		Temperature detected higher than 270°C.
		Fusing lamp temperature control short IOB defective
		Replace IOB Replace thermistor Replace AC drive board

SC565-00	A	Fusing lamp on error: Fusing lamp 5
		Fusing lamps remained at full power for more than 100 sec. but fusing rollers failed to reach reload temperature.
		Thermistor floating, installed incorrectly Fusing lamp disconnected Overheat prevention disconnect by thermistor
		Check thermistors Replace thermistor Replace fusing lamp 5 Replace IOB

SC566-00	A	Thermistor disconnect error: Rear fusing heat thermistor
		Temperature detected below 0°C for 60 sec. (temperature sampled every 100 ms).
		Thermistor disconnected Thermistor connector damaged
		Replace thermistor Check connector, harness Replace harness connector Replace fusing lamp

SC567-00	A	Software high temperature error: Fusing heat thermistor
		Temperature detected above 250°C for 10 sec. (temperature sampled every 100 ms).
		TRIAC short IOB defect
		Replace IOB Replace AC drive board

SC568-00	A	Hardware temperature error: Rear fusing heat thermistor
		Temperature detected higher than 270°C.
		TRIAC short IOB defective
		Replace IOB Replace thermistor Replace AC drive board

SC569-01	D	Pressure roller lift error 1: Three HP detect failures
		Attempts to detect pressure roller at home position failed 3 times.
		Pressure roller lift motor defective Pressure roller lift HP sensor defective Lift mechanism blocked, defective
		Check around the lift mechanism, remove paper scraps, etc. that could interfere with its operation Check motor harness Replace motor harness Check HP sensor connector Replace HP sensor connector

SC569-02	D	Pressure roller lift error 2: Control failure
		This SC ode is issued immediately if the pressure roller lift HP sensor fails to go OFF within 4000 ms.
		Pressure roller lift motor failure Pressure roller lift HP sensor failure Pressure roller mechanism blocked
		Check around the lift mechanism, remove paper scraps, etc. that could interfere with its operation Check motor harness Replace motor harness Check HP sensor connector Replace HP sensor connector

SC569-03	D	Pressure roller lift error 3: B High
		Pressure roller sensor B (rear) is HIGH.
		Pressure roller lift motor failure Pressure roller lift sensor failure Pressure roller mechanism blocked
		Check around the lift mechanism, remove paper scraps, etc. that could interfere with its operation Check motor harness Replace motor harness Check HP sensor connector Replace HP sensor connector Replace fusing unit

SC569-04	D	Pressure roller lift error 4: Pressure variable control fail
		Pressure roller lift mechanism error due to inability to vary pressure.
		Pressure roller lift motor failure Pressure roller lift sensor failure Pressure roller mechanism failure, blockage
		Check around the lift mechanism, remove paper scraps, etc. that could interfere with its operation Check motor harness Replace motor harness Check harnesses of pressure roller lift sensors A, B Replace sensor harness connectors

SC571-00	A	Thermistor disconnect error: Fusing temperature sensor: far end
		Temperature detected below -40°C for 3 sec. (temperature sampled every 100 ms).
		Thermistor disconnected Thermistor connector damaged
		Replace thermistor Check connector Replace connector Replace fusing lamp

SC573-00	A	Software high temperature error: Fusing temperature sensor: far end
		Temperature detected above 250°C for 10 sec. (temperature sampled every 10 ms).
		Fusing lamp control short (TRIAC short) IOB defect
		Replace IOB Replace AC drive board

SC574-00	A	Hardware temperature error: Thermopile far end
		Temperature detected higher than 270°C.
		Fusing lamp control short (TRIAC short) IOB defect
		Replace IOB Replace thermopile Replace AC drive board

SC576-00	A	Thermistor disconnect error: Hot roller NC sensor
		Temperature detected below 0°C for 25 sec. (temperature sampled every 100 ms).
		Thermistor disconnected Thermistor connector damaged
		Replace thermistor Check connector, harness Replace connector, harness Replace fusing lamp

SC581-00	D	Decurl Unit: Decurl HP sensor error
		Home position not detected within 6 sec. HP sensor not detected OFF.
		Lift motor connector loose, broken, defective, or motor defective HP sensor connector loose, broken, defective, or sensor defective
		Cycle the machine off/on Replace motor Replace sensor

SC582-00	D	Decurl Unit: Decurl limit error
		Tray upper limit sensor ON detected.
		Lift motor defective HP sensor connector loose, broken, defective, or sensor defective Limit sensor connector loose, broken, defective, or sensor defective HP sensor incorrect
		Cycle machine off/on Replace lift motor Replace sensor

SC587-01	C	Main machine thermistor error
		Calculated temperature for thermistor lower than -10C, indicating thermistor disconnection Calculated temperature less than 80°C, indicating thermistor disconnection.
		Connectors loose, broken, defective Thermistors defective
		Check harness connectors Replace harness Replace thermistor

SC590-1	D	RYB stepper motor error
		A stepper motor controlled by the Relay Board (RYB) has failed. A problem has occurred with one of the following motors. (Which motor is causing the problem is not specified.) Tray 1(F1) Feed Motor Tray 1 (F1) transport Motor Tray 2 (F2) Feed Motor Tray 2 (F2) transport Motor Tray 3(F3) Feed Motor Tray 3 (F3) transport Motor Vertical Transport Motor Bank Exit Motor
		Motor drive signal disconnect Motor drive signal short Motor harness disconnected Motor defective RYB defective
		Use an output check to determine which motor has failed Check motor harness Replace motor harness Replace motor Replay RYB

SC590-2	D	DRB stepper motor error
		A stepper motor controlled by the DRB in the right drawer has failed. A problem has occurred with one of the following motors: (Which motor is causing the problem is not specified.) Registration Entrance Motor Trailing Edge Shift Motor Registration Timing Motor Registration Shift Motor Transfer Timing Motor Duplex Transport Motor 2 Rotary Gate Motor Main Relay Separation Motor LCT Relay Separation Motor PTB Motor
		Motor drive harness disconnected Motor drive signal short Motor harness disconnected Motor defective DRB defective
		Use an output check to determine which motor has failed Check motor harness Replace motor harness Replace motor Replace DRB

SC590-3	D	TDRB stepper motor error
		A stepper motor controlled by the TDRB on the back of the machine has failed. A problem has occurred with one of these motors (Which motor is causing the problem is not specified.): PTR Lift Motor Belt Centering Motor
		Motor drive harness disconnected Motor drive signal short Motor harness disconnected Motor defective TDRB defective
		Use an output check to determine which motor has failed Check motor harness Replace motor harness Replace motor Replace TDRB

SC590-4	D	EDRB stepper motor error
		A stepper motor controlled by the EDRB has failed. A problem has occurred with one of these motors (Which motor is causing the problem is not specified.): Exit Junction Gate Motor Exit Invert Motor Invert Exit Motor Inverter Entrance Motor Duplex Transport Motor Invert Duplex Motor Pressure Roller Lift Motor
		Motor drive harness disconnected Motor drive signal short Motor harness disconnected Motor defective EDRB defective
		Use an output check to determine which motor has failed Check motor harness Replace motor harness Replace motor Replace EDRB

SC590-5	D	DDRB stepper motor error
		A stepper motor controlled by the DDRB has failed two detections. A problem has occurred with one of these motors: Decurl Unit Motor Decurl Feed Motor
		Motor connector loose, broken, defective Motor drive signal short Motor harness disconnected Motor defective DDRB defective
		Look at the Point-to-Point diagram to determine which motors the referenced board controls. Go into the SP mode and use SP5804 to test the operation of the motors to determine which motor is not operating. Check the motor harness Replace motor harness Replace motor Replace DDRB

SC590-06	D	Decurl unit motor error
		An error was detected twice with the stepper motor in the decurl unit.
		Motor drive signal disconnect Motor drive signal short Motor harness loose, broken, defective Motor defective DDRB defective
		Check the motor harness Replace motor harness Replace motor Replace DDRB

SC590-07	D	Charge unit motor error
		An error was detected twice with the charge unit cleaning motor in the CGB unit.
		Motor drive signal disconnect Motor drive signal short Motor harness loose, broken, defective Motor defective IOB defective
		Check the motor harness Replace motor harness Replace motor Replace IOB

SC590-08	D	Toner agitator motor error
		An error was detected twice with the toner agitator motor on the end of the toner supply unit.
		Motor drive signal disconnect Motor drive signal short Motor harness loose, broken, defective Motor defective IOB defective
		Check the motor harness Replace motor harness Replace motor Replace IOB

SC590-09	D	Toner supply motor error
		An error was detected twice with the toner feed motor on the end of the toner supply unit.
		Motor drive signal disconnect Motor drive signal short Motor harness loose, broken, defective Motor defective IOB defective
		Check the motor harness Replace motor harness Replace motor Replace IOB