Ricoh D037 Service Manual page 467

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective registration motor
1. Check the connections to the punch registration motor.
2. Replace the punch unit slider.
3. Replace the punch unit.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Paper edge detection sensor error (D038/D041)
The machine does not detect correct voltage from the paper edge
detection sensor.
Defective connector
787 D
Defective paper edge detection sensor.
Defective DA or AD converter.
1. Replace the punch slider unit.
2. Replace the punch unit.
No. Type
788 D
789 B
SM Appendix
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Paper size sensor error without side tray (D038/D041)
Paper size sensor error with side tray (D038/D041)
The machine does not detect correct voltage from the paper size
sensors.
Defective connector
Defective paper size sensors
Defective DA or AD converter.
1. Replace the punch slider unit.
2. Replace the punch unit.
4-45
SC Tables
D037/D038/D040/D041