• Code: SC721-17
• Description: Paper Eject Motor 2 Error (1000-sheet finisher) Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).
• Causes: • Motor defective • Connector disconnected • Overload • Encoder error
• Remedy: • Replace the motor. • Reset the connector. • Replace the harness. • Replace the finisher main board.

• Code: SC721-24
• Description: Paper Exit Guide Plate Open/Close motor Error (1000-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.
• Causes: • Motor defective • Connector disconnected • Overload • Encoder error • Home position sensor error
• Remedy: • Replace the motor. • Reset the connector. • Replace the harness. • Replace the home position sensor • Replace the finisher main board.

• Code: SC721-25
• Description: Punch Drive Motor Error (1000-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.
• Causes: • Motor defective • Connector disconnected • Overload • Encoder error • Home position sensor error
• Remedy: • Replace the motor. • Reset the connector. • Replace the harness. • Replace the home position sensor • Replace the finisher main board.

• Code: SC721-27
• Description: Punch Displacement Motor Error (1000-sheet finisher)
• Causes: • 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. • Motor defective • Connector disconnected • Overload • Home position sensor error
• Remedy: • Replace the motor. • Reset the connector. • Replace the harness. • Replace the home position sensor • Replace the finisher main board.

• Code: SC721-28
• Description: Punch Horizontal Registration Detection Error (1000-sheet finisher)
• Causes: • 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. • Motor defective • Connector disconnected • Overload • Home position sensor error
• Remedy: • Replace the motor. • Reset the connector. • Replace the harness. • Replace the home position sensor • Replace the finisher main board.

• Code: SC721-30
• Description: Jogger Motor 1 Error (1000-sheet finisher)
• Causes: • 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. • Motor defective • Connector disconnected • Overload • Home position sensor error
• Remedy: • Replace the motor. • Reset the connector. • Replace the harness. • Replace the home position sensor • Replace the finisher main board.

• Code: SC721-33
• Description: Strike Roller Motor Error (1000-sheet finisher)
• Causes: • 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. • Motor defective • Connector disconnected • Overload • Home position sensor error
• Remedy: • Replace the motor. • Reset the connector. • Replace the harness. • Replace the home position sensor • Replace the finisher main board.

• Code: SC721-41
• Description: Release Motor Error (1000-sheet finisher)
• Causes: • 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. • Motor defective • Connector disconnected • Overload • Home position sensor error
• Remedy: • Replace the motor. • Reset the connector. • Replace the harness. • Replace the home position sensor • Replace the finisher main board.