Ricoh G157 Service Manual page 95

2E Fuser temperature
high error
2F Fuser ACOFF error
30 Erase LED error
31 Cooling fan error
32 Fusing fan error
33 Fusing fan error
34 Yellow development
clutch error
35 Magenta
development clutch
error
36 Cyan development
clutch error
37 Black development
clutch error
38 Yellow development
solenoid error
39 Magenta
development solenoid
error
3A
Cyan development
solenoid error
3B Black development
solenoid error
3C Transfer belt error
SM
Breakdown of heater
ON/OFF circuit
Breakdown of temperature
control circuit
Breakdown of heater
ON/OFF circuit
Breakdown of temperature
control circuit
Erase lamp defective
BCU board defective
Cooling fan defective
BCU board defective
Fusing fan defective
BCU board defective
Fusing fan defective
BCU board defective
Yellow development clutch
defective
BCU board defective
Magenta development clutch
defective
BCU board defective
Cyan development clutch
defective
BCU board defective
Black development clutch
defective
BCU board defective
Toner cartridge defective
Solenoid assy defective
BCU board defective
Toner cartridge defective
Solenoid assy defective
BCU board defective
Toner cartridge defective
Solenoid assy defective
BCU board defective
Toner cartridge defective
Solenoid assy defective
BCU board defective
Transfer unit defective
4-5
ERROR INDICATION
Replace the direct
current unit PCB.
Replace the BCU board.
Replace the direct
current unit PCB.
Replace the BCU board.
Replace the erase lamp.
Replace the BCU board.
Replace the cooling fan.
Replace the BCU board.
Replace the cooling fan.
Replace the BCU board.
Replace the cooling fan.
Replace the BCU board.
Replace the yellow
development clutch.
Replace the BCU board.
Replace the magenta
development clutch.
Replace the BCU board.
Replace the cyan
development clutch.
Replace the BCU board.
Replace the black
development clutch.
Replace the BCU board.
Replace the toner
cartridge.
Replace the solenoid
assy.
Replace the BCU board.
Replace the toner
cartridge.
Replace the solenoid
assy.
Replace the BCU board.
Replace the toner
cartridge.
Replace the solenoid
assy.
Replace the BCU board.
Replace the toner
cartridge.
Replace the solenoid
assy.
Replace the BCU board.
Replace the transfer unit.
G157