Ricoh MPC 2800 AT-C2 Field Service Manual page 405

No. Type
Polygon motor error 3: XSCRDY signal error
The SCRDY_N signal goes HIGH (inactive) while the laser diode is firing.
• Disconnected or defective harness to polygon motor driver board
204 D
• Defective polygon motor
• Defective polygon motor driver board
1. Check or replace the harness.
2. Replace the polygon motor.
No. Type
210 C Laser synchronizing detection error: end position [K]
211 C Laser synchronizing detection error: end position [Y]
212 C Laser synchronizing detection error: end position [M]
213 C Laser synchronizing detection error: end position [C]
The laser synchronizing detection signal for the end position of LDB [K], [Y], [M],
[C] is not detected for one second after the LDB unit turned on when detecting the
main scan magnification.
• Disconnected or defective harness to synchronizing detector for end position
• Defective synchronizing detector board
- -
• Defective LD board or driver
• Defective BICU
1. Replace the harness of the LD board.
2. Replace the laser optics housing unit.
3. Replace the BICU.
No. Type
220 D Laser synchronizing detection error: start position [K]: LD0
222 D Laser synchronizing detection error: start position [Y]: LD0
226 D Laser synchronizing detection error: start position [C]: LD0
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
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