Ricoh D146 Service Manual page 585

SC No. Level
SC720
SC720-62 B
SC720-63 B
SM
Error Name/Error Condition/Major Cause/Solution
2K/3K Sheet finisher Error
Transfer Roller Transport Motor Error (2K/3K sheet finisher)
Folding Transport Motor Error (2K/3K sheet finisher)
§
SC720-62
Motor driver detects an error (DC motor control error) (1st
time is jam notification, 2nd time is SC notification).
§
SC720-63
Motor driver detects an error (short-circuit/ overheating) (1st
time is jam notification, 2nd time is SC notification).
§
Motor defective
§
Connector disconnected
§
Overload
§
Encoder defective
§
Check the motor
§
Replace the motor
§
Replace the controller
5-111
Service Call 700-792
D146/D147/D148/D149/D150