Ricoh MP C6502SP Field Service Manual page 1088

5. Troubleshooting
SC No.
SC No.
SC445-01
1086
Level Error Name/Error Condition/Major Cause/Solution
Resistance level of the image transfer roller was "R+3" during image
transfer voltage detection.
• Image transfer roller resistance increased through time (Roller end-
of-life)
• Connection fault between the image transfer power pack and the
image transfer roller (High voltage harness broken, connector
disconnected, or contact failure of image transfer roller bushes, etc.)
• Image transfer power pack defective
• Replace the image transfer roller.
• Reconnect or replace the high voltage harness or the unit.
• Fix or replace the image transfer power pack.
Level Error Name/Error Condition/Major Cause/Solution
ITB unit control error: driven shaft FB
Error detected by the TDCU.
If a command sent from the TDCU indicates an error, the engine issues an
SC.
ASAP command: 0x58_0x40
• ITB motor defective
• ITB unit set error
• Connector disconnected or harness broken
C
• Driven shaft encoder sensor defective
• Driven shaft encoder smudged or damaged
• Replace the ITB unit.
• Replace the ITB motor.
• Set the ITB unit again.
• Replace the driven shaft encoder.
• Reconnect the connectors
• Replace the harness.