Ricoh G179 - 4.5 SC TABLES: SC4 XX

SC Tables: SC4xx
SM 4-9 G179
Trouble-
shooting
4.5 SC TABLES: SC4XX
Vsg adjustment error
Vsg is more than 4.2V or 3.8V or less when the machine adjusts Vsg value.
400 D
 Dirty or defective ID sensor
 Defective ID sensor shutter
Transfer belt bias error
The feed back bias from the transfer belt is more than 4V for 60 msec while
the transfer belt bias is output.
The A/D conversion level is 20 or less for 60 msec.
The PWM duty is 24% or more for 60 msec.
440 D
 Power pack broken
 Defective harness
 Disconnected connector
Transfer/Development motor error
The machine detects a lock signal error from the transfer/development motor
for 2 seconds after the transfer/development motor turned on.
441 D
 Overload on the motor
 Defective transfer/development motor
 Defective harness
 Defective IOB
Transfer belt contact motor error
The transfer belt HP sensor detects incorrect movement of the transfer belt
after the transfer belt contact motor has turned on.
442 D
 Dirty transfer belt HP sensor
 Defective transfer belt contact motor
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA