Ricoh MP C3004 Field Service Manual page 879

SC No. Type
SC203-00 D
Error Name/Error Condition/Major Cause/Solution
Polygon Motor: OFF Timeout Error
The XSCRDY signal (polygon ready) never becomes inactive (H) within 3
sec. after the polygon motor went OFF.
• 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 harness 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).
Service Call 202-285
871