Ricoh MP C2504 - Service Call 202-285; SC200 (Engine: Image Writing)

Service Call 202-285
SC200 (Engine: Image Writing)
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC202-00 D Polygon Motor: ON Timeout Error
After the polygon motor turned on, or within the specified time (sec.) after
the rpm’s changed, the motor did not enter READY status.
• The interface harness to the polygon motor driver damaged or not
connected correctly.
• Polygon motor or polygon motor driver defective
• Polygon motor drive pulse cannot be output correctly. (Polygon
controller)
• XSCRDY signal observation failing (Polygon controller)
1. Turn the main power OFF/ON.
2. Reconnect the connectors between LD unit and IPU.
3. Check CN586 (a connector with 1 pin) for the polygon mirror
motor from the PSU.
4. Replace the LD unit (Polygon mirror motor).
5. Replace the harness between the LD unit and IPU.
6. Replace the IPU.
7. Replace the PSU (or fuses on PSU).
6. Troubleshooting
784