Service manual

SC450: Paper transfer charge abnormal
Type: 2
- Description -
The main control board notifies the SCU that the paper transfer charge
output value from the high voltage power pack does not reach the
target due to such causes as a leak or power pack failure.
- Detection Timing -
When the paper transfer charge is active
- Possible Causes -
• High voltage power supply
• Leak locations
SP-Log: 7-402-4
SC452: Transfer belt H.P. not detected
Type: 2
- Description -
The main control board notifies the SCU that the belt H.P. sensor does
not detect the belt mark (does not go on) while the transfer belt is
moving at normal speed.
- Detection Timing -
During normal-speed rotation of the transfer belt
- Possible Causes -
• Transfer belt H.P. sensor
• Main control board
SP-Log: 7-402-4
SC453: Transfer belt H.P. sensor abnormal - Stays on
Type: 2
- Description -
The main control board notifies the SCU that the belt H.P. sensor does
not go off while the transfer belt is moving at normal speed.
- Detection Timing -
During normal-speed rotation of the transfer belt
- Possible Causes -
• Transfer belt H.P. sensor
• Main control board
SP-Log: 7-402-4
SERVICE CALL CONDITIONS
A166/A187/A189 6-14 SM
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA