Top Page > SC Codes > Service Call 700-740 > SC700 (Engine: Peripherals) > Finisher/ Booklet Finisher

Finisher/ Booklet Finisher

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-01	D	Downstream device communication error
		Communication with the downstream device has established, but the device is not responding to the command sent out, even after being sent three times. After the recognition command was sent to the upstream unit, the TX port level did not go HIGH within the prescribed time.
		Interface cable (downstream device side) connector disconnected or broken PCB of downstream device defective Controller PCB defective
		Replace the finisher and interface cable (downstream device side). Reconnect the connector. Replace the Main Board (finisher or downstream device option).

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-03	B	Protection device break error 1
		There was an error in the voltage level of the 24V_INT_1 power supply (this SC issues immediately at 1st occurrence).
		Motor defective Harness short-circuit
		Replace the motor Reconnect the connector. Replace the harness. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-04	B	Protection device break error 2
		There was an error in the voltage level of the 24V_INT_2 power supply (this SC issues immediately at 1st occurrence).
		Motor defective Harness short-circuit
		Replace the motor/ Reconnect the connector. Replace the harness. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-05	D	PSU Cooling Fan Error
		There was no LOCK detection signal issued from the fan motor (this SC issues immediately at 1st occurrence).
		PSU Cooling Fan Motor defective. Connector disconnected Drive circuit defective
		Replace the PSU Cooling Fan Motor Reconnect the connector. Replace the harness. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-10	D	Transport Motor Error 1 (Entrance, Straight-through)
		DC motor drive software detected an error (this SC issues immediately at 1^st occurrence).
		Motor defective Connecter disconnected Overload Encoder defective
		Replace the Entrance Motor, reconnect the connectors. Replace the harnesses. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-11	D	Transport Motor Error 2 (Junction Gate Feed)
		Same as SC720-10
		Same as SC720-10
		Replace the Junction Gate Transport Motor Reconnect the connectors. Replace the harnesses. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-12	D	Transport Motor Error 3 (Downstream From Punch Unit)
		Same as SC720-10
		Same as SC720-10
		Replace the Junction Gate Transport Motor. Reconnect the connectors. Replace the harnesses. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-13	D	Transport Motor Error 4 (registration)
		Same as SC720-10
		Same as SC720-10
		Replace the Registration Motor. Reconnect the connectors. Replace the harnesses. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-15	B	Transport Motor Error 6 (Pre-stack)
		DC motor drive software detected an error (this SC issues immediately at 1^st occurrence).
		Motor defective Connecter disconnected Overload Encoder defective
		Replace the Pre-stack Motor Reconnect the connectors. Replace the harnesses. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-16	B	Exit Motor Error 1 (Proof Tray Exit)
		Same as SC720-15
		Same as SC720-15
		Replace the Proof Tray Exit Motor Reconnect the connectors. Replace the harnesses. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-17	B	Exit Motor Error 2 (Shift Exit)
		Same as SC720-15
		Same as SC720-15
		Replace the Shift Exit Motor. Reconnect the connectors. Replace the harnesses. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-18	B	Exit Motor Error 3 (Staple Exit)
		Same as SC720-15
		Same as SC720-15
		Replace the Staple Exit Motor Reconnect the connectors. Replace the harnesses. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-20	B	Junction Gate Motor Error 1 (Proof Tray)
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Junction Gate Motor (proof/shift tray), reconnect the connectors. Replace the JG HP Sensor (proof/shift), reconnect the connectors. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the junction gate mechanism (proof).

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-21	B	Junction Gate Motor Error 2 (Staple JG)
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Junction Gate Motor (shift/staple), reconnect the connectors. Replace the JG HP Sensor (shift/staple), reconnect the connectors. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the junction gate mechanism (staple).

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-23	B	Pre-stack Release Motor Error (Pressure/JG release)
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Pre-stack Release Motor, reconnect the connectors. Replace the Pre-stack Release Sensor, reconnect the connectors. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the Pre-stack mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-24	B	Exit Guide Motor Error
		Same as SC720-23
		Same as SC720-23
		Replace the Exit Guide Motor, reconnect the connectors. Replace the Exit Guide HP Sensor, reconnect the connectors. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the exit guide mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-25	D	Punch Motor Error
		After the punch motor started to operate, the punch was not detected at its home position within specified number of pulses. (The first time: jam display, the second time: SC) After the punch motor started to operate, the punch did not leave its home position within specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Punch Motor, reconnect the connectors. Replace the Punch Unit HP Sensor, reconnect the connectors. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the punch mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-26	D	Punch Junction Gate Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload
		Replace the Punch Junction Gate Motor. Reconnect the connectors. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the punch mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-27	D	Punch Movement Motor Error
		After the Punch Movement Motor started to operate, the punch did not return to its home position within specified number of pulses. (The first time: jam display, the second time: SC) When the Punch Movement Motor started to operate, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload
		Replace the Punch Movement Motor. Reconnect the connectors. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the punch mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-28	B	Punch Horizontal Registration Detection Error (Motor /CIS)
		Punch Horizontal Registration CIS Error
		Motor defective Connecter disconnected Overload
		Replace the Punch Horizontal Registration Sensor. Reconnect the connectors. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the punch mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-31	B	Jogger Motor (Front) Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Jogger Motor (Front), reconnect the connector. Replace the Jogger Fence HP Sensor (Front), reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-32	B	Jogger Motor (Rear) Error
		Same as SC720-31
		Same as SC720-31
		Replace the Jogger Motor (Rear), reconnect the connector. Replace the Jogger Fence HP sensor (Rear), reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-33	B	Positioning Roller Lift Motor Error
		Same as SC720-31
		Same as SC720-31
		Replace the Positioning Roller Lift Motor, reconnect the connector. Replace the Positioning Roller HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-34	B	Positioning Roller Rotation Motor Error
		A discharge or short circuit was detected on the motor drive board (this SC issues immediately at first error).
		Motor defective Connector loose, broken, defective
		Replace the Positioning Roller Rotation Motor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the Stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-35	B	Trailing Edge Press Motor Error
		The stack plate drive unit in the staple unit did not return to the home position within specified number of pulses. (The first time: jam display, the second time: SC) When the stack plate drive unit in the staple unit moved from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC) DC motor drive software detected an error. During the initial operation, after performing retry, the first time is jam supply and the second time is SC. At all times other than during initial operation, the first time is SC.
		Motor defective Connecter disconnected Overload Encoder defective Home position sensor defective
		Replace Trailing Edge Press Motor, reconnect the connector. Replace Trailing Edge Press Plate HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the Stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-39	B	Leading Edge Stopper Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC) DC motor drive software detected an error. During the initial operation, after performing retry, the first time is jam supply and the second time is SC. At all times other than during initial operation, the first time is SC.
		Motor defective Connecter disconnected Overload Encoder defective Home position sensor defective
		Replace the Leading Edge Stopper Motor, reconnect the connector. Replace the Leading Edge Stopper HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the Stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-40	B	Base Fence Lift Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC) DC motor drive software detected an error. (This SC issues immediately at 1st occurrence).
		Motor defective Connecter disconnected Overload Encoder defective Home position sensor defective
		Replace the Base Fence Lift Motor, reconnect the connector. Replace the Base Fence up-down HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the Stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-41	B	Feed-out Belt Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC) DC motor drive software detected an error. During the initial operation, after performing retry, the first time is jam supply and the second time is SC. At all times other than during initial operation, the first time is SC.
		Motor defective Connecter disconnected Overload Encoder defective Home position sensor defective
		Replace the Feed-out Belt Motor, reconnect the connector. Replace the Top Fence HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the Stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-42	B	Corner Stapler Movement Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC) DC motor drive software detected an error. (This SC issues immediately at 1st occurrence).
		Motor defective Connecter disconnected Overload Encoder defective Home position sensor defective
		Replace the Corner Stapler Movement Motor, reconnect the connector. Replace the Corner stapler HP sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the stapler mechanism. Resolve the mechanical failure for the stapler unit mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-43	B	Corner Stapler Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Corner Stapler Motor, reconnect the connector. Replace the Stapler Rotation HP Sensors (front, rear), reconnect the connectors. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the stapler mechanism. Resolve the mechanical failure for the stapler unit mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-44	B	Booklet Stapler Motor Error
		The corner stapler did not operate within specified time When moving to the home position, home position was not detected within specified time. (The first time: jam display, the second time: SC)
		Staple jam Overload (too many sheets for stapling)
		Remove the pieces of staples. Replace the cartridge. Replace the Booklet Stapler Motor Replace the harness. Replace the Main Board. Resolve the mechanical failure for the stapler unit mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-50	B	Booklet Stapler Side Fence Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Booklet Stapler Side Fence Motor, reconnect the connector. Replace the Booklet Stapler Side Fence HP Sensors (front, rear), reconnect the connectors. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-51	B	Booklet Bottom Fence Motor Error
		Same as SC720-50
		Same as SC720-50
		Replace the Booklet Bottom Fence Motor, reconnect the connector. Replace the Booklet Stapler Bottom Fence HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-52	B	Fold Plate Motor Error
		Same as SC720-50
		Same as SC720-50
		Replace the Fold Plate Motor Error, reconnect the connector. Replace the Fold Plate HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-53	B	Booklet Stapler Bottom Fence Motor Error
		Same as SC720-50
		Same as SC720-50
		Replace the Booklet Stapler Bottom Fence Motor, reconnect the connector. Replace the Booklet Stapler Bottom Fence HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-54	B	Stack Transport Unit Motor Error
		Same as SC720-50
		Same as SC720-50
		Replace the Stack Transport Unit Motor, reconnect the connector. Replace the Stack Transport Unit HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism. Resolve the mechanical failure for the staple tray mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-55	B	Booklet Stapler Clamp Roller Motor Error
		Same as SC720-50
		Same as SC720-50
		Replace the Booklet Stapler Clamp Roller Motor, reconnect the connector. Replace the Booklet Stapler Clamp Roller HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-56	B	Turn Guide Motor Error
		Same as SC720-50
		Same as SC720-50
		Replace the Turn Guide Motor Error, reconnect the connector. Replace the Stack JG HP sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism. Resolve the mechanical failure for the staple tray mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-60	B	Booklet Stapler Motor Error
		The booklet stapler did not operate within specified time. (The first time: jam display, the second time: SC) When moving to the home position, home position was not detected within specified time. (The first time: jam display, the second time: SC)
		Staple jam Overload (too many sheets for stapling) Motor defective Connecter disconnected Home position sensor defective
		Remove the pieces of staples. Replace the cartridge. Replace the Booklet Stapler Motor, reconnect the connector. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the stapler unit mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-70	B	Shift Tray Lift Motor Error
		When descending, Paper Height Sensors are still detecting paper after specified time. (The first time: jam display, the second time: SC) When ascending, Paper Height Sensors did not detect top side of paper within specified time. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Shift Tray Lift Motor, reconnect the connector. Replace the Paper Height Sensors (TE, shift), reconnect the connector. Replace the Shift Tray Limit Switch, reconnect the connector. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the shift tray mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-71	B	Shift Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Shift Motor, reconnect the connector. Replace the Shift Tray HP Sensors (Front, Rear), reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the shift tray mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-72	B	Shift Jogger Motor Error
		When the jogger fence moved to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When the jogger fence moved to the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Shift Jogger Motor, reconnect the connector. Replace the Shift Tray Jogger HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the shift jogger mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-74	B	Shift Jogger Fence Retract Motor Error
		When the output jogger retraction unit moved to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When the output jogger retraction unit moved from home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Shift Jogger Fence Retract Motor, reconnect the connector. Replace the Shift Jogger Retract HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the shift jogger mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-75	B	Drag Roller Movement Motor Error
		When drag roller unit moved to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When the drag roller unit moved from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Drag Roller Movement Motor, reconnect the connector. Replace the Drag Roller HP Sensor, reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the shift jogger mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-76	B	Drag Roller Error
		At cw rotation (roller return), the motor drive board discharged or had a short circuit (this SC issues immediately at first error). At ccw rotation (press operation), the component was not detected at the home position within the specified number of pulses. (The first time: jam display, the second time: SC) At ccw rotation (press operation), the component had not moved from the home position within the specified number of pulses. (The first time: jam display, the second time: SC)
		Motor defective Connecter disconnected Overload Home position sensor defective
		Replace the Drag Roller Motor, reconnect the connector. Replace the Drag Roller HP Sensor, reconnect the connector. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the shift jogger mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-77	B	Exit Fan Motor Error
		No lock signal is received for 10 times consecutively.
		Motor defective Connecter disconnected Drive circuit defective
		Replace the Exit Fan Motor (Front, Rear), reconnect the connector. Replace the harnesses. Replace the Main Board. Resolve the mechanical failure for the shift jogger mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-80	B	Interlock Power Error
		There was an error in the voltage level of the 24V_INT power supply (this SC issues immediately at 1st occurrence).
		Main Board power circuit defective
		Replace the main board. Replace the harnesses.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-81	D	Protection Device Break Error 3
		There was an error in the voltage level of the 24V_POW power supply (this SC issues immediately at 1st occurrence).
		Motor defective Harness short-circuit
		Replace the motor/ Reconnect the connector. Replace the harness. Replace the Main Board.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-82	B	Base Fence Movement Motor Error
		When moving to the home position, home position was not detected within specified number of pulses. (The first time: jam display, the second time: SC) When moving from the home position, home position was still detected after specified number of pulses. (The first time: jam display, the second time: SC) DC motor drive software detected an error (this SC issues immediately at 1st occurrence).
		Motor defective Connector disconnected Overload Encoder defective Home position sensor defective
		Replace the Base Fence Movement Motor, reconnect the connector. Replace the Base Fence Front-back HP Sensor, reconnect the connector. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the stapler mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-83	B	Stack Transport Motor Error
		DC motor drive software detected an error. (This SC issues immediately at 1st occurrence).
		Motor defective Connector disconnected Overload Encoder defective
		Replace the Stack Transport Motor, reconnect the connector. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism. Resolve the mechanical failure for the staple tray mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-84	B	Fold Roller Motor Error
		A discharge or short circuit was detected on the motor drive board (this SC issues immediately at first error).
		Motor defective Connector disconnected Overload
		Replace the Fold Roller Motor, reconnect the connector. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism.

SC No.	Level	Error Name/Error Condition/Major Cause/Solution
SC720-85	B	Booklet Stack Tray Motor Error
		DC motor drive software detected an error. (This SC issues immediately at 1st occurrence).
		Motor defective Connector disconnected Overload Encoder defective
		Replace the Booklet Stack Tray Motor, reconnect the connector. Replace the harness. Replace the Main Board. Resolve the mechanical failure for the booklet stack mechanism. Resolve the mechanical failure for the booklet stack tray mechanism.