Gestetner B070 Service Manual page 339

SC401: Transfer roller open error
Definition [B]
When transfer bias is applied to the bias roller while the main motor is operating,
after bias output has started, one of the following conditions exists:
• Input connector is defective
• Output connector is defective
Possible Causes
• Transfer power pack defective
• Poor connection between the transfer current terminal and the transfer
power pack.
SC430: Quenching Lamp Error
Definition [D]
When finishing the process control initial setting at the end of a job and the drum
motor has stopped, the drum potential detected by the drum potential sensor is
beyond the normal range.
Possible Causes
• Quenching lamp defective
• Quenching lamp connector defective
• Poor connection between quenching lamp and CBG power pack
SC440: Drum Motor Lock
Definition [B]
The drum motor lock signal is longer than 2 s while the drum motor is on.
Possible Causes
• Motor lock due to overload
• BCU defective
SC441: Development Motor Lock
Definition [B]
While the motor is operating, the motor lock signal remains LOW for 2 s.
Possible Causes
• Motor lock due to overload
• BCU defective
SM
CÓPIA NÃO CONTROLADA
4-19
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
B070/B071