Ricoh D143 Field Service Manual page 791

No. Type
Polygon motor error 2: OFF timeout
The polygon mirror motor does leave the READY status within 3 seconds after the
polygon motor switches off.
• Disconnected or defective harness to polygon motor driver board
203 D
• Defective polygon motor driver board
• Defective polygon motor
1. Check or replace the harness.
2. Replace the polygon motor.
3. Replace the IPU.
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
• Defective polygon motor
204 D
• Defective polygon motor driver board
1. Check or replace the harness.
2. Replace the polygon motor.
3. Replace the IPU.
No. Type
210
C Laser synchronizing detection error: end position [K]
-01
-02 C Laser synchronizing detection error: end position [C]
-03 C Laser synchronizing detection error: end position [M]
-04 C Laser synchronizing detection error: end position [Y]
The laser synchronizing detection signal for the end position of LDB [K], [C], [M],
[Y] is not detected for one second after the LDB unit turned on when detecting the
main scan magnification.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Service Call
789