Service Call 700-792
D146/D147/D148/D149/D150 5-110 SM
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC720 2K/3K Sheet finisher Error
SC720-44 B Edge Stapler Motor Error (2K/3K sheet finisher)
SC720-60 B Booklet Stapler Motor Error (2K/3K sheet finisher)
SC720-75 B Reverse Roller Rocking Motor Error (2K/3K sheet finisher)
SC720-78 B Rear End Press Motor Error (2K/3K sheet finisher)
§ Motor driver detects an error (DC motor control error) (1st
time is jam notification, 2nd time is SC notification)
*SC720-75, 78 only.
§ During movement to home, the home position could not be
detected within a predetermined time (t0sec) (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 (t1sec) (1st
time is jam notification, 2nd time is SC notification).
§ Motor defective
§ Connector disconnected
§ Overload
§ Home position sensor defective
§ Check the motor
§ Check the home position sensor connection
§ Replace the motor
§ Replace the home position sensor
§ Replace the controller
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