Transfer Belt / Roller - Ricoh A109 Service Manual

SC440: Drum motor lock
- Definition - [B]
Drum motor lock signal is detected for more than 3 seconds.
<Possible causes>
•
Too much load on the drum drive mechanism
•
Drum motor defective or poor connection
•
Interface board 1 defective or poor connection (CN708)
•
Main control board defective

1.6 TRANSFER BELT / ROLLER

SC405: Transfer belt position abnormal
- Definition - [B]
The transfer belt is positioned to touch the drum in the following
conditions:
Belt and drum cleaning completed after the main switch is turned on
Belt and drum cleaning completed after clearing paper jam
Copy job completed
<Possible causes>
•
Transfer belt position sensor defective
•
Transfer belt position clutch defective
•
Interface board 1 defective
•
Main control board defective
SC406: Transfer roller position abnormal
- Definition - [B]
The transfer roller is positioned to touch the transfer belt in the following
conditions:
Belt and drum cleaning completed after the main switch is turned on
Belt and drum cleaning completed after clearing paper jam
Copy job completed
<Possible causes>
•
Transfer roller position sensor defective
•
Transfer roller position clutch defective
•
Interface board 2 defective
•
Main control board defective
A109 6-14 FSM