Ricoh SP 8400DN Field Service Manual page 1251

SC Tables: SC2xx (Image Writing)
SC202-00 to SC272-10
SC No. Type
SC202- D Polygon Motor: ON Timeout Error
00
After the polygon motor turned on, or within 10 sec. after the rpm's changed, the motor did
not enter READY status.
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SC No. Type
SC203- D Polygon Motor: OFF Timeout Error
00
The XSCRDY signal (polygon ready) never becomes inactive (H) within 3 sec. after the
polygon motor went OFF.
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SC No. Type
SC204- D Polygon Motor: XSCRDY Signal Error
00 During polygon motor rotation, the XSCRDY signal was inactive (H) for longer than one
rotation of the polygon.
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Error Name/Error Condition/Major Cause/Solution
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)
Turn the power off/on.
Replace the laser unit.
Replace the harness.
Replace the IPU board.
Error Name/Error Condition/Major Cause/Solution
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)
Turn the power off/on.
Replace the laser unit.
Replace the harness.
Replace the IPU board.
Error Name/Error Condition/Major Cause/Solution
The interface harness to the polygon motor driver damaged or not connected correctly.
Polygon motor or polygon motor driver defective
Turn the power off/on.
Replace the laser unit.
Replace the harness.
6.Troubleshooting
513