Ricoh FT6645 Manual page 375

12 April 1993
SC742 - Abnormal stack feed out motor movement (A379 finisher)
Definition: [level: B]
No encoder pulses is detected for 500 msec. or more.
Possible causes:
•
Stack feed out motor defective
1.17 OTHERS
SC900 - Total counter failure (staying in the off condition)
Definition: [level: D]
The total counter stays in the off condition.
Possible causes:
•
Total counter defective
SC901 - Total counter failure (staying in the on condition)
Definition: [level: D]
The total counter stays in the on condition.
Possible causes:
•
Total counter defective
SC full used toner bottle
Definition: [level: A]
The toner overflow switch is activated.
Possible causes:
•
Toner collection bottle is full
•
Toner overflow switch defective
NOTE: Clear the SC full used toner bottle as follows:
1. While the main switch is on, open the front doors then take out
the toner collection bottle (used toner bottle).
2. Remove the toner collection bottle then empty and clean the
bottle.
3. Install the empty toner collection bottle.
4. Close the front doors.
SERVICE CALL CONDITIONS
6-23