SC700-01 to SC792-00

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC700		SPDF error
SC700-01	D	ADF Bottom Plate Lift Motor (SPDF)
SC700-02	D	ADF Pick-Up Roller Lift Motor Error (SPDF)
SC700-04	D	ADF Feed Motor Error (SPDF)
SC700-05	D	ADF Entrance Motor Error (SPDF)
SC700-06	D	ADF Transport Motor Error (SPDF)
SC700-07	D	ADF Scanning Motor Error (SPDF)
SC700-09	D	ADF Exit Motor Error (SPDF)
		SC700-01 Even if the ADF bottom plate lift motor is rotated in the base plate ascent direction, the bottom plate position sensor does not detect. Even if the ADF bottom plate lift motor is rotated in the base plate descent direction, the bottom plate HP sensor does not detect. SC700-02 Even if the ADF pick-up roller lift motor is rotated, the pick-up roller HP sensor does not detect. SC700-04, 05, 06, 07, 09 When an error notification signal is detected during the motor drive period.
		SC700-01 Bottom plate position sensor error (output error) Bottom plate HP sensor ADF bottom plate lift motor error (does not rotate) ADF controller board error SC700-02 Pick-up roller HP sensor error (output error) ADF pick-up roller lift motor error (does not rotate) ADF controller board error SC700-04, 05, 06, 07, 09 Motor defective Connector disconnected Harness broken Overload
		SC700-01, 02 Check the sensor harness and motor harness connection Replace the sensor harness and motor harness Replace the sensor Replace the motor Replace the ADF controller board SC700-04, 05, 06, 07, 09 Check the harness connection Replace the harness Replace the motor

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC701-03	D	Paper Feed Motor Driver Error (ARDF)
		Detection of error signal from motor driver
		Encoder disconnection Encoder connector dropout Encoder defective Overload Motor deterioration
		Replace the encoder harness Check the harness connection Replace the motor
SC701-08	D	Paper Exit Motor Driver Error (ARDF)
		Detection of error signal from motor driver.
		Encoder disconnection Encoder connector dropout Encoder defective Overload Motor deterioration
		Replace the encoder harness Check the harness connection Replace the motor

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC702-01	D	Protection Device Intercept Error 1 (ARDF)
		When original source 5V power supply is ON, protection device intercept of 24V power supply system is detected.
		Any of feed motor, transport motor, inverter solenoid, pick-up solenoid, feed clutch and cooling fan motor defective, a harness short-circuit occurs, and the protection device of the 24V power supply system intercepts.
		Replace the blown fuse or circuit board Replace the short-circuited parts
SC702-02	D	Protection Device Intercept Error 2 (ARDF)
		When original source 5V power supply is ON, protection device intercept of 24V OUT power supply system is detected.
		Stamp solenoid defective or harness short-circuit occurs in 24VOUT power supply system.
		Replace the blown fuse or circuit board Replace the short-circuited parts
SC702-03	D	Protection Device Intercept Error 3 (ARDF)
		When original source 5V power supply is ON, protection device intercept of 5VE power supply system is detected.
		Original set sensor defective or a harness short-circuit occur in 5VE power supply system.
		Replace the blown fuse or circuit board Replace the short-circuited parts
SC702-04	D	Protection Device Intercept Error 4 (SPDF)
		Motor defective in any of the ADF pick-up roller lift motor, stamp solenoid, ADF bottom plate lift motor or FAN motor, or a harness short-circuit occurs, and the protection device of the non-interlocking power supply system intercepts.
		Motor defective or a harness short-circuit occurs in the non-interlocking power supply system.
		Replace the blown fuse or circuit board Replace the short-circuited parts
SC702-05	D	Protection Device Intercept Error 5 (SPDF)
		Motor defective in the paper feed motor, entrance motor, transport motor, ADF scanning motor or ADF exit motor, or a harness short-circuit occurs, and the protection device of the interlocking power supply system intercepts.
		Motor defective or a harness short-circuit occurs in the interlocking power supply system.
		Replace the blown fuse or circuit board Replace the short-circuited parts

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720		Booklet Finisher SR3240/Finisher SR3230 Error
SC720-03	B	Protection Device Intercept Error 1
		Protection device intercept error state (fuse break) is detected.
		Short-circuit defective Overload defective Motor defective Solenoid defective
		Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. The target parts are all the motors and the sensors. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose. Check the harness for the target part. Replace the harness if it is disconnected, or damaged. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC720-06	C	Access error to NVRAM
		Error occurs when accessing NVRAM.
		Connection failure or malfunction of NVRAM
		Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Pull out and reinsert the NVRAM to check if the NVRAM is correctly inserted into the IC socket. If the SC cannot be recovered, replace the main board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720		Booklet Finisher SR3240/Finisher SR3230 Error
SC720-10	B	Entrance Transport Motor Error
SC720-11	B	Horizontal Transport Motor Error
SC720-13	B	Transport Motor Error
SC720-15	B	Pre-stack Transport Motor Error
SC720-17	B	Exit Motor Error
		Error Condition of -06, -10, -11, -13, -15, -17 Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification)
SC720-20	B	Lower Junction Gate Motor Error
SC720-24	B	Paper Exit Guide Plate Motor Error
SC720-25	B	Punch Motor Error
SC720-27	B	Punch Unit Movement Motor Error
SC720-28	B	Punch Registration Motor Error
SC720-30	B	Jogger Motor Error
SC720-33	B	Positioning Roller Shift Motor Error
		Error Condition of -20, -24, -25, -27, -28, -30, -33 During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
SC720-34	B	Positioning Roller Motor Error
		Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification)
SC720-35	B	Paper Stacking Holder Motor Error
		Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification) During movement to home, the home position could not be detected within a predetermined time (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined time (1st time is jam notification, 2nd time is SC notification).
SC720-41	B	Stack Feed-out Motor Error
		Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification) During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
SC720-42	B	Corner Stapler Movement Motor Error
		During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
SC720-44	B	Corner Stapler Motor Error
		During movement to home, the home position could not be detected within a predetermined time (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined time (1st time is jam notification, 2nd time is SC notification).
SC720-50	B	Booklet Jogger Motor Error
SC720-51	B	Booklet Jogging Pawl Movement Motor Error
SC720-52	B	Press Folding Motor Error
SC720-53	B	Bottom Fence Motor Error
		Error Condition of -50, -51, -52, -53 • During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). • During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
SC720-54	B	Fold Roller Motor Error
		Motor driver detects an error (short-circuit and overheating) (1st time is jam notification, 2nd time is SC notification).
SC720-60	B	Booklet Stapler Motor Error
		During movement to home, the home position could not be detected within a predetermined time (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined time (1st time is jam notification, 2nd time is SC notification).
SC720-70	B	Tray Lift Motor Error
		Motor controller detects an error (overload) (1st time is jam notification, 2nd time is SC notification). During descent, the paper surface sensor still detects paper even after a predetermined time (t0sec) elapses (1st time is jam notification, 2nd time is SC notification). During ascent, the paper surface sensor could not detect the paper surface even after a predetermined time (t1sec) elapses (1st time is jam notification, 2nd time is SC notification).
SC720-71	B	Shift Motor Error
SC720-72	B	Shift Jogger Front Motor Error
SC720-73	B	Shift Jogger Rear Motor Error
SC720-74	B	Shift Jogger Retreat Motor Error
		Error Condition of -71, -72, -73, -74 During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
SC720-75	B	Return Roller Motor Error
		Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification) During movement to home, the home position could not be detected within a predetermined time (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined time (1st time is jam notification, 2nd time is SC notification).
SC720-80	B	Protection Device Intercept Error 3
		Fuse blowout is detected
SC720-81	B	Shift Roller Drive Motor Error
		Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification)
SC720-82	B	Edge Guide Motor Error
SC720-83	B	Paper Guide Motor Error
		Error Condition of -82, -83 During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
		Harness short-circuit -80 only Overload Motor defective Solenoid defective -03, -80 only Connector disconnected Encoder defective -10, -25, -34 -81 only Home position sensor defective
		Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. The target parts are the motor and related HP sensor that SC occurred. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose. Check the harness for the target part. Replace the harness if it is disconnected, or damaged. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC721		Booklet Finisher SR3220 (D3B9) Error
SC721-03	B	Protection Device Intercept Error 1
		Fuse blowout is detected
SC721-06	C	See the descriptions next table below.
SC721-10	B	Entrance Transport Motor Error (1K sheet finisher)
		Motor driver detects an error state (DC motor control error). 1st error detection is determined as a jam and 2nd error detection is determined as an SC.
SC721-11	B	Proof Transport Motor Error (1K sheet finisher)
		Motor driver detects an error state (DC motor control error). 1st error detection is determined as a jam and 2nd error detection is determined as an SC.
SC721-17	B	Paper Eject Transport Motor Error (1K sheet finisher)
		Motor driver detects an error state (DC motor control error). 1st error detection is determined as a jam and 2nd error detection is determined as an SC.
SC721-24	B	Paper Exit Guide Plate Open/Close Motor (1K sheet finisher)
		During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification). The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.
SC721-25	B	Punch Unit Drive Motor Error (1K sheet finisher)
		During movement to home, the home position could not be detected within a predetermined time (t0 sec) (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined time (t1 sec) elapsed (1st time is jam notification, 2nd time is SC notification). Output from the encoder could not be counted for a predetermined number of times within a predetermined time (t0 sec) (1st time is jam notification, 2nd time is SC notification). The time to return to home without fail, the time coming from home, and the time for which the encoder output can be counted during normal operation, are taken as t0, t1 and t2.
SC721-27	B	Punch Movement Motor Error (1K sheet finisher)
SC721-28	B	Horizontal Registration Correction Motor Error (1K sheet finisher)
SC721-30	B	Jogger Motor Error (1K sheet finisher)
SC721-33	B	Positioning Roller Motor Error (1K sheet finisher)
SC721-41	B	Feedout Pawl Motor Error (1K sheet finisher)
		During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined pulse (p1 pulse) elapsed (1st time is jam notification, 2nd time is SC notification). The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.
SC721-42	B	Stapler Unit Displacement Motor Error (1K sheet finisher)
		During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined pulse (p1 pulse) elapsed (1st time is jam notification, 2nd time is SC notification). During movement from home, retreat sensor ON could not be detected even after a predetermined pulse (p2 pulse) elapsed (1st time is jam notification, 2nd time is SC notification). During initialization, retreat sensor ON was detected simultaneously when the home position is detected (1st time is jam notification, 2nd time is SC notification). The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0, p1 and p2.
SC721-44	B	Stapler Error (1K sheet finisher)
		Motor driver detects an error (short-circuit and overheating) (1st time is SC). During movement to home, the home position could not be detected even after a predetermined time (t0 sec) elapsed (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined time (t1 sec) elapsed (1st time is jam notification, 2nd time is SC notification). During motor drive, the output from the encoder could not be counted for a predetermined number of times within a predetermined time (t0 sec) (1st time is jam notification, 2nd time is SC notification). The time to return to home without fail, the time coming from home, and the time for which the encoder output can be counted during normal operation, are taken as t0, t1 and t2.
SC721-52	B	Folding Blade Motor Error (1K sheet finisher)
		Motor driver detects an error (short-circuit and overheating) (1st time is SC). During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification). The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.
SC721-53	B	Rear End Fence Displacement Motor Error (1K sheet finisher)
		During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification). The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.
SC721-58	B	Booklet Transport (Upper) Pressure Release Motor Error (1K sheet finisher)
SC721-59	B	Booklet Transport (Lower) Pressure Release Motor Error (1K sheet finisher)
		During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification). The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.
SC721-70	B	Tray Lift Motor Error (1K sheet finisher)
		Motor driver detects an error (short-circuit or overheating) (1st time is SC). During descent, the paper surface sensor still detects paper even after a predetermined time (t0sec) elapses (1st time is jam notification, 2nd time is SC notification). During ascent, the paper surface sensor could not detect the paper surface even after a predetermined time (t0sec) elapses (1st time is jam notification, 2nd time is SC notification). The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.
SC721-71	B	Shift Motor Error (1K sheet finisher)
		During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification). The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.
SC721-80	B	Folding Transport Motor Error (1K sheet finisher)
		Motor driver detects an error (short-circuit or overheating) (1st time is SC)
SC721-81	B	Paper Guide Drive Motor Error
		During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
		Overcurrent (-03 only) Staple jam (-44 only) Encoder error (-11, -11, -25, -44) Motor defective Connecter disconnected, or loose Motor overload HP sensor defective Paper surface sensor defective (-70 only)
		Check if the SC occurs by opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. The target parts are the motor and related HP sensor that SC occurred. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose. Check the harness for the target part. Replace the harness if it is disconnected, or damaged. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC721		Booklet Finisher SR3220 (D3B9) Error
SC721-06	C	Access error to NVRAM
SC721-06	C	Error occurs when accessing NVRAM.
		Connection failure or malfunction of NVRAM
		Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Pull out and reinsert the NVRAM to check if the NVRAM is correctly inserted into the IC socket. If the SC cannot be recovered, replace the main board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC722		Finisher SR3210 (D3B8) Error
SC722-03	B	Protection Device Intercept Error 1
		Fuse blowout is detected
SC722-06	C	See the descriptions next table below.
SC722-10	B	Entrance Transport Motor Error
		Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).
SC722-11	B	Proof Transport Motor Error
		Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).
SC722-17	B	Paper Exit Transport Motor 2 Error
		Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).
SC722-24	B	Paper Exit Guide Plate Open/Close Motor Error
		During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
SC722-25	B	Punch Unit Drive Motor Error
		During movement to home, the home position could not be detected within a predetermined time (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined time elapsed (1st time is jam notification, 2nd time is SC notification). Output from the encoder could not be counted for a predetermined number of times within a predetermined time (1st time is jam notification, 2nd time is SC notification).
SC722-27	B	Horizontal Registration Unit Transfer Motor Error
SC722-28	B	Horizontal Registration Correction Motor Error
SC722-30	B	Jogger Motor Error
SC722-33	B	Positioning Roller Motor Error
SC722-41	B	Feedout Pawl Motor Error
		During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined pulse elapsed (1st time is jam notification, 2nd time is SC notification).
SC722-42	B	Stapler Transfer Motor Error
		During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined pulse elapsed (1st time is jam notification, 2nd time is SC notification). During movement from home, retreat sensor ON could not bebdetected even after a predetermined pulse elapsed (1st time is jambnotification, 2nd time is SC notification). During initialization, retreat sensor ON was detected simultaneouslybwhen the home position is detected (1st time is jam notification, 2ndbtime is SC notification).
SC722-44	B	Stapler Motor Error
		Motor driver detects an error (short-circuit or overheating) (1st time is SC). During movement to home, the home position could not be detected even after a predetermined time elapsed (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined time elapsed (1st time is jam notification, 2nd time is SC notification). During motor drive, the output from the encoder could not be counted for a predetermined number of times within a predetermined time (1st time is jam notification, 2nd time is SC notification).
SC722-45	B	Stapleless Stapler Transfer Motor Error
		Motor driver detects an error (short-circuit or overheating) (1st time is SC). During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined pulse elapsed (1st time is jam notification, 2nd time is SC notification).
SC722-46	B	Stapleless Stapler Motor Error
		Motor driver detects an error (short-circuit or overheating) (1st time is SC). During movement to home, the home position could not be detected even after a predetermined time elapsed (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected even after a predetermined time elapsed (1st time is jam notification, 2nd time is SC notification).
SC722-47	B	Paper Guide Drive Motor Error
		During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
SC722-70	B	Tray Lift Motor Error
		Motor driver detects an error (short-circuit or overheating) (1st time is SC). During descent, the paper surface sensor still detects paper even after a predetermined time (t0sec) elapses (1st time is jam notification, 2nd time is SC notification). During ascent, the paper surface sensor could not detect the paper surface even after a predetermined time (t0sec) elapses (1st time is jam notification, 2nd time is SC notification).
SC722-71	B	Shift Motor Error
SC722-81	B	Paper Guide Drive Motor
		During movement to home, the home position could not be detected within a predetermined pulse (1st time is jam notification, 2nd time is SC notification). During movement from home, the home position was detected for longer than a predetermined pulse (1st time is jam notification, 2nd time is SC notification).
		Overcurrent (-03 only) Staple jam (-44 only) Encoder error (-11, -11, -25, -44) Motor defective Connecter disconnected, or loose Motor overload HP sensor defective Paper surface sensor defective (-70 only)
		Check if the SC occurs by opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. The target parts are the motor and related HP sensor that SC occurred. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose. Check the harness for the target part. Replace the harness if it is disconnected, or damaged. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC722		Finisher SR3210 (D3B8) Error
SC722-06	C	Access error to NVRAM
		Error occurs when accessing NVRAM.
		Connection failure or malfunction of NVRAM
		Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Pull out and reinsert the NVRAM to check if the NVRAM is correctly inserted into the IC socket. If the SC cannot be recovered, replace the main board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC723-03	B	Power Supply Error (Internal Finisher: Non-Staple Bind)
		When original source 24V power supply is ON, protection device intercept of non-interlock power supply system is detected.
		A motor failure or harness short-circuit occur in the non-interlock power supply system.
		Replace the short-circuited harnesses Replace the protection devices
SC723-10	B	Transport Motor Error (Internal Finisher: Non-Staple Bind)
		The DCM driver error detection is started after reset, and predetermined milliseconds error signal is detected. This SC will be issued when the above phenomenon repeated 2 times.
		Transport Motor failure Harness short-circuit Circuit board failure Over current Abnormal temperature
		Replace the motor Replace the harness Replace the circuit board.
SC723-20	B	Junction Gate Motor Error (Internal Finisher: Non-Staple Bind)
		When the junction gate motor HP sensor was not turned off while predetermined seconds applied to the junction gate motor with the HP sensor turned on. When the junction gate motor HP sensor was not turned on while predetermined seconds applied to the junction gate motor with the HP sensor turned off. This SC will be issued when the above phenomenon repeated 2 times.
		Junction Gate Motor failure Connector disconnected Over load Junction gate motor HP sensor error
		Check the connection Replace the motor/sensor Replace the harness
SC723-24	B	Paper Exit Pressure Motor Error (Internal Finisher: Non-Staple Bind)
		When the exit paper pressure HP sensor was not turned off while predetermined seconds applied to the exit pressure release motor with the HP sensor turned on. When paper output pressure HP sensor was not turned on while predetermined seconds applied to the exit pressure release motor with the HP sensor turned off. This SC will be issued when the above phenomenon repeated 2 times.
		Exit Pressure Release Motor failure Connector disconnected Over load Exit pressure release HP sensor error
		Check the connection Replace the motor/sensor Replace the harness
SC723-44	B	Stapler Drive Motor Error (Internal Finisher: Non-Staple Bind)
		When the stapler drive HP sensor was not turned off while predetermined seconds applied to the stapler motor with the HP sensor turned on. When stapler drive HP sensor was not turned on while predetermined seconds applied to the stapler motor with the HP sensor turned off. The STM driver error detection is started after reset, and predetermined seconds error signal is detected. This SC will be issued when the above phenomenon repeated 2 times.
		Stapler Motor failure Connector disconnected Stapler Motor overload Stapler HP sensor error Harness short-circuit Circuit board failure Excess current Abnormal temperature
		Check the connection Replace the motor/sensor Replace the harness Replace the circuit board
SC723-71	B	Shift Motor Error (Internal Finisher: Non-Staple Bind)
		When the shift HP sensor was not turned off while predetermined seconds applied to the shift motor with the HP sensor turned on. When shift HP sensor was not turned on while predetermined seconds applied to the shift motor with the HP sensor turned off. The STM driver error detection is started after reset, and predetermined seconds error signal is detected. This SC will be issued when the above phenomenon repeated 2 times.
		Shift Motor failure Connector disconnected Shift Motor overload Shift HP sensor error Harness short-circuit Circuit board failure Excess current Abnormal temperature
		Check the connection Replace the motor/sensor Replace the harness Replace the circuit board

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC724		Internal Finisher Error
SC724-24	B	Paper Exit Guide Plate Motor Error (Internal finisher)
SC724-24	B	When Paper Output Open/Close Guide Plate Motor is driven for predetermined seconds after paper exit guide plate HP sensor ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). When Paper Output Open/Close Guide Plate Motor is driven for predetermined seconds after paper exit guide plate HP sensor OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-25	B	Punch Unit Motor Error (Internal finisher)
SC724-25	B	When punch motor is driven for predetermined seconds after punch HP sensor ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). When punch motor is driven for predetermined seconds after punch HP sensor OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-27	B	Horizontal Registration Movement Unit Motor Error (Internal finisher)
SC724-27	B	When Horizontal Registration Movement Unit Motor is driven for predetermined seconds when horizontal registration movement HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). When Horizontal Registration Movement Unit Motor is driven for predetermined seconds when horizontal registration movement HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-28	B	Horizontal Registration Transport Unit Motor Error (Internal finisher)
SC724-28	B	When Punch Horizontal Registration Detection Unit Motor is driven for predetermined seconds when horizontal registration detection HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). When Punch Horizontal Registration Detection Unit Motor is driven for predetermined seconds when horizontal registration detection HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-31	B	Jogger Fence Motor (Front) Error (Internal finisher)
SC724-31	B	When Jogger Fence Motor (Front) is driven for predetermined seconds when front jogger HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). When Jogger Fence Motor (Front) is driven for predetermined seconds when front jogger HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-32	B	Jogger Fence Motor (Rear) Error (Internal finisher)
SC724-32	B	When Jogger Fence Motor (Rear) is driven for predetermined seconds when rear jogger HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). When Jogger Fence Motor (Rear) is driven for predetermined seconds when rear jogger HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-33	B	Positioning Roller Motor Error (Internal finisher)
SC724-33	B	During initialization/strike descent, even when the strike roller motor is driven for predetermined seconds when the strike roller HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). During initialization, even when the strike roller motor is driven for predetermined seconds when the strike roller HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification). When the strike roller is lifted from the press position, even when driven for predetermined seconds the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-38	B	Stack Height Lever Motor Error (Internal finisher)
SC724-38	B	When the paper press HP sensor is ON and the paper press motor is driven for predetermined seconds, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). When the paper press HP sensor is OFF and the paper press motor is driven for predetermined seconds, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-42	B	Stapler Retreat Motor Error (Internal finisher)
SC724-42	B	Sifter stapler displacement HP sensor ON, even when the stapler displacement motor is driven for predetermined seconds, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). After stapler displacement HP sensor OFF, even when the stapler displacement motor is driven for predetermined seconds, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).
SC724-70	B	Tray Lift Motor Error (Internal finisher)
SC724-70	B	During ascent from paper surface sensor ON, even after predetermined seconds elapses, the paper surface sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification). During descent from paper surface sensor OFF, the paper surface sensor does not switch ON even after predetermined seconds elapses (1st time is jam notification, 2nd time is SC notification). During descent to the packing position, the full sensor does not switch ON even if predetermined seconds elapses.
SC724-71	B	Shift Motor Error
SC724-71	B	If the shift sensor has no response after the shift motor starts moving 1.86 sec.
SC724-80	B	Shift Motor Error (Internal finisher)
SC724-80	B	When the shift roller HP sensor is ON, the HP sensor does not switch OFF even when the shift roller motor is driven for predetermined seconds (1st time is jam notification, 2nd time is SC notification) When the shift roller HP sensor is OFF, the HP sensor does not switch ON even when the shift roller motor is driven for predetermined seconds (1st time is jam notification, 2nd time is SC notification).
SC724-86	B	Stapler Motor Error (Internal finisher)
SC724-86	B	HP sensor does not switch OFF even when the stapler motor is driven for predetermined seconds after the stapler HP sensor switches ON (1st time is jam notification, 2nd time is SC notification). HP sensor does not switch ON even when the stapler motor is driven for predetermined seconds after the stapler HP sensor switches OFF (1st time is jam notification, 2nd time is SC notification).
		Motor defective Connector disconnected Motor overload Home position sensor error Paper surface sensor error (SC724-38, 70 only) Staple jam (SC724-86 only)
		Reset the connector Replace the motor Replace the sensor Replace the harness Remove the staple jam (*SC724-86 only)

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC727		Internal Multi-fold Unit FD3000 Error
SC727-01	B	Connection Error to Downstream Unit
		Communication error has occurred with the serial interface of the downstream unit. This is displayed as an SC code from its initial detection.
		Harness defective Downstream unit defective Controller board defective I/F connector defective
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Turn the power off, disconnect the interface connector connected to the machine, connect the interface connector of the downstream unit to the machine, and then turn the power on. If the downstream unit does not operate, resulting in connection error, there is a problem with the downstream unit, so repair the downstream unit. Check the harness connections between the controller board and each connector. Replace the harness if it is damaged, or connect it if it is disconnected. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-03	B	Protection Device Intercept Error 1
		Fuse (FU3) break is detected 24-V power supply line error This is displayed as an SC code from its initial detection.
		Fuse (FU3) is blowout Controller board defective 24-V harness entrapment (short circuit)
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. The target parts are all the motors and the sensors. Check that the harness between the PCB and motor/solenoid is not stripped or entrapped. Replace the harness if there are any defects. Rotate each motor shaft by hand to check for any overload. Replace the motor if there are any defects. Check if there is any unusual odor from the solenoid or any problem with its appearance. Replace the solenoid if there are any defects. Check if there are any signs of a short circuit on PCB. Replace the PCB if there are any defects.
SC727-04	B	Protection Device Intercept Error 2
		Poly-switch (FU4) break is detected Limit line disturbances from inrush currents has occurred to the interlock system. This is displayed as an SC code from its initial detection.
		Poly-switch (FU4) trip (Trip refers to the phenomenon whereby an overcurrent flows into the poly-switch, resulting in high resistance.) Controller board defective 24-V harness entrapment (short circuit)
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. The target parts are all the motors and the sensors. Check that the harness between the PCB and the motor/solenoid is not stripped or entrapped. Replace the harness if there are any defects. Rotate each motor shaft by hand to check for any overload. Replace the motor if there are any defects. Check if there is any unusual odor from the solenoid or any problem with its appearance. Replace the solenoid if there are any defects. Check if there are any signs of a short circuit on PCB. Replace the PCB if there are any defects.
SC727-06	C	NVRAM Error 1
		An error has occurred during an access to the NVRAM. This is displayed as an SC code from its initial detection.
		NVRAM is disconnected, or defective
		Turn the main power OFF then ON after checking whether there are no foreign objects (such as remaining paper) in the tray. If the SC occurs again, replace the controller board.
SC727-10	B	Transport Motor Error
		Motor error (Encoder error) This is reported as a jam error when detected for the first time. If it occurs again in a row, its SC code appears.
		Motor defective Motor harness entrapped (short circuit or breaking of wire) Connector disconnected Controller board defective
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step Check if all connectors between the controller board and the motors are connected securely. Reconnect the connectors if they are disconnected, or loose. Replace the harness if it is disconnected, or damaged. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-12	B	Registration Motor Error
		Motor error (Encoder error) This is reported as a jam error when detected for the first time. If it occurs again in a row, its SC code appears.
		Motor defective Motor harness entrapped (short circuit or breaking of wire) Connector disconnected Controller board defective
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check if all connectors between the controller board and the motors are connected securely. Reconnect the connectors if they are disconnected, or loose. Replace the harness if it is disconnected, or damaged. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-20	B	JG Crease Motor Error 1
		Motor error (Encoder error) The junction gate is not at the HP position. This is reported as a jam error when detected for the first time. If it occurs again in a row, its SC code appears.
		Motor defective Motor/sensor harness entrapped (short circuit or breaking of wire) Connector disconnected Junction Solenoid HP Sensor defective Controller board defective
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check if all connectors between the controller board and the motors/sensors are connected securely. Reconnect the connectors if they are disconnected, or loose. Replace the harness if it is disconnected, or damaged. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if the sensor turns OFF/ON. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-39	B	1st Fold Motor Error
		Motor error (Encoder error) This is reported as a jam error when detected for the first time. If it occurs again in a row, its SC code appears.
		Motor defective Motor harness entrapped (short circuit or breaking of wire) Connector disconnected Controller board defective
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check if all connectors between the controller board and the motors are connected securely. Reconnect the connectors if they are disconnected, or loose. Replace the harness if it is disconnected, or damaged. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-41	B	JG Crease Motor Error 2
		Motor error (Encoder error) Crease Roller is not at the HP position. This is reported as a jam error when detected for the first time. If it occurs again in a row, its SC code appears.
		Motor defective Motor/sensor harness entrapped (short circuit or breaking of wire) Connector disconnected Crease HP Sensor defective Controller board defective
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check if all connectors between the controller board and the motors/sensors are connected securely. Reconnect the connectors if they are disconnected, or loose. Replace the harness if it is disconnected, or damaged. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if the sensor turns OFF/ON. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-71	B	2nd Fold Motor Error
		Encoder error This is reported as a jam error when detected for the first time. If it occurs again in a row, its SC code appears.
		Motor defective Motor harness entrapped (short circuit or breaking of wire) Connector disconnected Controller board defective
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check if all connectors between the controller board and the motors are connected securely. Reconnect the connectors if they are disconnected, or loose. Replace the harness if it is disconnected, or damaged. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-72	B	The power supply for the sensor is defective.
		The power supply for the sensor (5V_SN) is defective. This is displayed as an SC code from its initial detection.
		Sensor harness entrapped (short circuit or breaking of wire) Sensor defective Controller board defective
		Turn the main power OFF then ON after checking whether there are no foreign objects (such as remaining paper) in the tray. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check if the harness is connected to the wrong sensor. Reconnect the connector if there are any defects. Replace the harness if it is disconnected, or damaged. Check if the sensor turns OFF/ON. Replace the parts if there are any defects. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC761		Bridge Unit BU3070 (D685) or Side Tray Type M3 (D725) Error
SC761-03	B	Protection Device Intercept Error 5V
SC761-04	B	Protection Device Intercept Error 24V
		Fuse blowout occurs due to over current during power injection (output detected for longer than 2 seconds).
		Over current of bridge unit motor Over current due to short-circuit in PCB
		Replace the bridge unit or side tray. Replace the PCB of bridge unit or side tray.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC780-01	D	Bank 1 (Upper optional paper tray) Protection Device Intercept Error
		When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.
		In 24V power supply system: Motor defective Solenoid defective Harness short- circuit
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check if all connectors in tray 1, 2, and optional upper tray are connected securely. Reconnect the connectors if they are disconnected, or loose. Check the harness in tray 1, 2, and optional upper tray. Replace the harness if it is disconnected, or damaged. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC781-01	D	Bank 2 (Lower optional paper tray) Protection Device Intercept Error
		When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.
		In 24V power supply system: Motor defective Solenoid defective Harness short- circuit
		Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check if all connectors in tray 1, 2, and optional upper/lower trays are connected securely. Reconnect the connectors if they are disconnected, or loose. Check the harness in tray 1, 2, and optional upper/lower trays. Replace the harness if it is disconnected, or damaged. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC791-00	D	No Bridge Unit when Finisher is Present
		When power supply is switched on or paper is transported, finisher set is detected but bridge unit set is not detected. (during internal finisher connection, not detected)
		Bridge unit not attached Bridge unit defective
		Reset the bridge unit. Turn the main power off/on.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC792-00	B	No Finisher, Bridge Unit Provided
		When power supply is switched on, it is recognized there is no finisher, and a bridge unit is fitted.
		Finisher connector set incorrectly In a machine which has a bridge unit connected, a finisher is not fitted Finisher defective
		Connect finisher or disconnect bridge unit, and turn the main power off/on.