Paper Feed - Ricoh A109 Service Manual

1.7 PAPER FEED

SC500: Transport motor lock
- Definition - [B]
Transport motor lock signal is detected for more than 3 seconds.
<Possible causes>
•
Too much load on the transport unit, fusing unit, transfer roller unit, or
transfer belt cleaning unit
•
Transport motor defective or poor connection
•
Interface board 2 defective or poor connection (CN806)
•
Main control board defective
SC502: 1st tray lift motor abnormal
SC503: 2nd tray lift motor abnormal
SC504: 3rd tray lift motor abnormal
- Definition - [C]
Lift sensor is not activated within 10 seconds after the lift motor starts
turning. SC message for level C is displayed when this condition is
detected twice.
<Possible causes>
•
Lift sensor defective
•
Tray lift motor defective or poor connection
•
Paper feed interface board defective or poor connection (CN906)
•
Main control board defective
SC510: Paper feed motor abnormal
- Definition - [B]
Paper feed motor lock signal is detected for more than 3 seconds.
<Possible causes>
•
Too much load on the paper feed mechanism
•
Paper feed motor defective or poor connection
•
Paper feed interface board defective or poor connection (CN910)
•
Main control board defective
A109 6-16 FSM