Ricoh G108 - Page 80

SERVICE CALL
Code Class Error Possible Cause
490 D Transfer roller clutch error
• Loose connection
• Defective solenoid
• Defective input output device or BCU
515 D Duplex unit controller
hardware error 1
• Loose connection between the BCU and
the duplex unit controller board
516 D Duplex unit controller
hardware error 2
• Loose connection between the BCU and
the duplex unit controller board
517 D Duplex motor error
• One of the fuses on the duplex unit
controller has blown.
NOTE: These fuses prevent excess current
from flowing into the motors.
520 D Main motor error
• Loose connection
• Safety interlock switch
• Defective motor
• Defective input output device
521 D Paper gate solenoid error
• Interlock Safety Switch
• Loose connection
• Defective solenoid
• Defective duplex-unit controller
530 D Controller fan error
531 D Optics unit fan error
532 D Fusing fan error
• Loose connection
• Defective fan
• Defective input output device
• Defective BCU
540 D Scanner motor error
• Loose connection
• Defective LD unit
• Defective BCU
541 D Thermistor short-circuit error
• Loose connection
• Incorrect installation of the fusing unit
• Defective fusing unit
• Defective BCU
542 Fusing lamp error
543 Fusing temperature error
during warming up
544 Fusing temperature error
during on
545 Fusing temperature error
during off
546
D
AC relay off error
• Loose connection
• Defective thermistor
• Defective fusing unit
• Defective power supply unit
• Defective BCU
• Insufficient power supply
547 D Fusing clutch error
• Loose connection
• Defective clutch
• Defective input output device
• Defective BCU
610 D High voltage unit connection
error
• Loose connection
• Defective high voltage unit
• Defective BCU
611 Toner end sensor error 1
612
D
Toner end sensor error 2
• Loose connection of the emitter of the
toner end sensor
• Defective PCB of the receptor of the
toner end sensor
• Defective input output device
• Defective PCB of the emitter of the toner
end sensor
• Defective BCU
G108 4-4 SM