Ricoh MP C6502SP Field Service Manual page 1250

5. Troubleshooting
SC No.
SC740-20
1248
Level Error Name/Error Condition/Major Cause/Solution
2nd Lift Motor Error (D712)
• The lift motor rotates in the ascending direction but the upper limit
sensor does not detect within specified time (t0sec). (The first time:
jam display, the second time: SC)
• The lift motor rotates in the descending direction but the lower limit
sensor does not detect within specified time (t0sec). (The first time:
jam display, the second time: SC)
• Lift motor defective/Connecter disconnected
• Upper limit sensor defective/Connecter disconnected
• Lower limit sensor defective/Connecter disconnected
B
• Harness broken
• PCB defective
• Mechanical defect of the tray lift mechanism
• Replace or reconnect the lift motor.
• Replace or reconnect the upper limit sensor.
• Replace or reconnect the lower limit sensor.
• Replace the harness.
• Replace the PCB.
• Repair the tray lift mechanism