Ricoh MP 7503SP Field Service Manual page 1388

7. Troubleshooting
SC722-44
SC722-70
1386
B Finisher corner stapler motor error (Finisher D610)
The stapler motor does not switch off within the prescribed time after
operating. The 1st detection failure issues a jam error, and the 2nd failure
issues this SC code.
• Staple jam
• Number of sheets in the stack exceeds the limit for stapling
• Stapler motor harness, connector loose, broken, defective.
• Motor defective.
• Remove staple jam.
• Inspect, empty staple hopper.
• Check the number of sheets being stapled.
• Inspect stapler motor harness, connector and replace if damaged.
• Replace motor.
B Finisher tray 1 (upper tray lift) motor error (Finisher D610)
The upper tray paper height sensor does not change its status with the
specified time after the tray raises or lowers. The 1st detection failure issues a
jam error, and the 2nd failure issues this SC code.
• Tray lift motor harness, connector loose, broken, defective.
• Motor defective.
• Upper tray paper height sensor harness, connector loose, broken,
defective.
• Sensor defective
• Finisher main board connection to motor loose, broken, defective.
• Finisher main board defective
• Inspect the tray lift motor harness, connector and replace if damaged.
• Inspect motor harness connect at the finisher main board.
• Replace motor
• Inspect upper tray paper height sensor harness, connector and replace
if damaged.
• Replace sensor
• Replace finisher main board.