Ricoh OR-C1, Field Service Manual

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No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
204 D
Polygon motor error 1: XSCRDY signal error
The XSCRDY signal remained HIGH for 200 ms while the LD unit was firing.
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• Polygon motor/driver board harness loose or broken
• Polygon motor/driver board defective
• Laser optic unit defective
• IPU defective
1. Replace the polygon motor.
2. Replace the laser optics housing unit.
3. Replace the harness.
4. Replace the IPU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
220 D
Laser synchronization detection error: LD0
The laser synchronizing detection signal for the start position of the LD was not
output for two sec. after LDB unit turned on with the polygon motor rotating
normally.
• Laser synchronizing detection board harness loose or broken.
• Laser synchronization detection board defective
• LDB unit defective
• IPU defective
1. Check the connectors.
2. Replace the laser-synchronizing detector.
3. Replace the LDB.
4. Replace the IPU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
230 D
FGATE ON error
The FGATE signal did not assert within the prescribed time. (The BCU generates the
FGATE signal and sends it to the LD unit when the registration sensor switches on.)
Service Call Conditions
51
3