Ricoh SP 3710DN - Sc 2 Xx (Laser Optics Errors)

Service Call
SM 6-3 M0C3/M0C4/M0C5/M0C6/M0C7
Troubleshooting
6.2.2 SC 2XX (LASER OPTICS ERRORS)
No. Type Error Name/Error Condition/Major Cause/Solution
SC202 D Polygon mirror motor on timeout error
The polygon mirror motor does not reach the targeted operating speed within 10
sec. after turning on.
• Polygon mirror motor/LD driver board harness loose or disconnected
• Polygon mirror motor/LD driver board defective
1. Turn the power OFF and ON.
2. Replace the polygon mirror motor/ laser unit.
3. Replace the interface harness of the laser unit.
4. Replace the main board.
No. Type Error Name/Error Condition/Major Cause/Solution
SC203 D Polygon mirror motor off timeout error
The polygon mirror motor does not leave the READY status within 20 sec. after
the polygon mirror motor was switched off.
• Polygon mirror motor/LD driver board harness loose or disconnected
• Polygon mirror motor/LD driver board defective
1. Turn the power OFF and ON.
2. Replace the polygon mirror motor/ laser unit.
3. Replace the interface harness of the laser unit.
4. Replace the main board.
No. Type Error Name/Error Condition/Major Cause/Solution
SC204 D Polygon mirror motor lock signal error
The signal remains HIGH for 0.2 sec. (or 4 times in 50msec of polling) while the
polygon mirror motor is rotating.
Polygon mirror motor/LD driver board defective
1. Turn the power OFF and ON.
2. Replace the polygon mirror motor/ laser unit.
3. Replace the interface harness of the laser unit.