Ricoh D146 Service Manual page 497

SC No. Level
SC202-00 D
SC No. Level
SC203-00 D
SM
Error Name/Error Condition/Major Cause/Solution
Polygon Motor: ON Timeout Error
After the polygon motor turned on, or within T1 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)
§
Turn the power off/on
§
Replace the LSU or polygon motor
§
Replace the polygon harness
§
Replace the IPU board
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)
§
Turn the power off/on
§
Replace the LSU or polygon motor
§
Replace the polygon harness
§
Replace the IPU board
5-23
Service Call 201-285
D146/D147/D148/D149/D150