SC Table
G133 4-18 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
1. Check and reinstall the image transfer belt unit and PCUs.
2. Check if each toner bottle has enough toner.
3. Replace the ID sensor.
4. Replace the image transfer belt unit.
5. Replace the PCU(s).
6. Replace the laser optics housing unit.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Shutter sensor time over error: Close
The shutter close sensor does not detect "ON" for 2000 msec after the
shutter motor turns on.
Defective shutter close sensor
Disconnected or broken harness
Defective shutter motor
Defective shutter
Shutter motor overload
Defective IOB
290 D
1. Check or replace the harness.
2. Replace the shutter on the laser optics housing unit.
3. Replace the shutter motor.
4. Replace the shutter close sensor.
5. Replace the IOB.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Shutter overrun error 1: Close
The shutter close sensor loses the "ON" signal after the shutter was
closed.
291 C
Defective motor
Change of load to shutter motor
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