Service Call Conditions; Sc Code Descriptions; Engine Sc - Ricoh M047 Service Manual

Service Call Conditions

2.1.2 SC CODE DESCRIPTIONS

Engine SC

Code No.
202 B Polygon motor error
The polygon motor does not reach its
operating speed within 10 seconds
after the polygon motor on signal, or
the lock signal is not detected for
more than a certain time during
operation.
1st laser synchronization error
The laser synchronization detector
220 B
cannot detect the laser
synchronization signal for more than
5 consecutive 100 ms intervals.
2nd laser synchronization error
The 1st LD1 is already on, but the
laser synchronization detector
221 B
cannot detect the laser
synchronization signal from the 2nd
LD for more than 5 consecutive 100
ms intervals.
M047
CÓPIA NÃO CONTROLADA
Symptom
2-2
CÓPIA NÃO CONTROLADA
Possible Cause
Polygon motor
Polygon motor cable
Laser synchronization detector
board out of position
Laser synchronization detector
board or cable defective
Laser synchronization mirror out
of position
LD unit defective
Engine board defective
Laser synchronization detector
board out of position
LD unit defective
Engine board defective
SM Appendix