Ricoh D146 Service Manual page 506

Service Call 312-396
SC No. Level
SC No. Level
SC396-05 D
D146/D147/D148/D149/D150
Error Name/Error Condition/Major Cause/Solution
§
Remove image transfer unit, and check for TM (ID) sensor
connector missing. If it is missing, reconnect it.
§
Check for dirt on the ID sensor detection window. If te
detection window is dirty, clean by predetermined method
(do not wipe dry).
§
Check the condition of the ITB. If undulation or belt slippage
has occurred, re-install or replace the ITB.
§
If neither of the above have occurred, perform TM (ID)
sensor replacement
Error Name/Error Condition/Major Cause/Solution
Drum motor (CMY) Lock
Lock signals are observed at 2 sec intervals during motor ON,
and a High level is detected at least 20 times.
§
Motor defective
§
Connector disconnected
§
Harness broken
§
IOB defective
§
Unit torque increased.
§
Replace the motor
§
Reconnect the connector
§
Replace the harness
§
Replace the IOB
§
Replace the PCDU
5-32 SM