Ricoh MP C6502SP Field Service Manual page 1252

5. Troubleshooting
SC No.
SC773-00
SC No.
SC780-50
1250
Level Error Name/Error Condition/Major Cause/Solution
De-curl Pressure Adjustment Motor Error (D727)
• The home position sensor did not change from non-blocked to
blocked 9 seconds after homing operation started.
• The home position sensor did not change from blocked to non-
blocked 1.2 seconds after homing operation started.
• Motor defective
D
• Connecter disconnected
• Overload
• Home position sensor defective
• Check the connections of the motor and home position sensor.
• Replace the motor/home position sensor.
• Replace the PCB.
Level Error Name/Error Condition/Major Cause/Solution
LCT high efficiency controller communication error
An error was detected during read/write access in SPI communication
between SPU and high-efficiency controller.
B
• PCB defective
• High-efficiency controller defective
• High-efficiency controller system clock error
• Replace the PCB.