Ricoh G091, Руководство по обслуживанию

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SERVICE CALL CONDITIONS
G112/G113/G116/G094/G095/G091 4-2 SM
4.1.2 SC CODE DESCRIPTIONS
Code No. Symptom Possible Cause
Charge roller current leak 302 B
A charge roller current leak signal is
detected.
• Cartridge (charge roller) defective
• High voltage supply board
defective
• Defective cartridge connection
Polygon motor error 320 B
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.
•
Polygon motor
• Polygon motor cable
1st laser synchronization error 322 B
The laser synchronization detector
cannot detect the laser
synchronization signal for more than
5 consecutive 100 ms intervals.
•
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
LD drive current exceeded 323 B
The LD driver detects this error for
more than 500 ms.
•
LD unit defective
2nd laser synchronization error 326 B
The 1
st
LD1 is already on, but the
laser synchronization detector cannot
detect the laser synchronization
signal from the 2
nd
LD for more than 5
consecutive 100 ms intervals.
• Laser synchronization detector
board out of position
• LD unit defective
•
Engine board defective
Development bias leak 391 B
A development bias leak signal is
detected.
•
High voltage supply board
defective
•
Defective cartridge connection
Main motor lock 500 B
A main motor lock signal is not
detected for more than 700 ms after
the main motor starts to rotate, or the
lock signal is not detected for more
than a certain time during rotation
after the last signal.
•
Main motor defective
•
Too much load on the drive
mechanism
Unstable fusing temperature
During warm-up, the fusing
temperature rises by less than 20
°
C
during 11 seconds.
541 A
The fusing temperature detected by
the thermistor was 0
° C 5 seconds
after the fusing relay was turned on.
•
Thermistor defective
•
Fusing lamp open
•
Fusing thermostat open
•
Power supply board defective
•
Defective connection of the fusing
unit
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