1St Image Transfer Atvc (Black) Failure; 2Nd Image Transfer Atvc Failure; 1St Image Transfer Atvc (Color) Failure; P-30: Color Pc Drum Sensor Malfunction - Konica Minolta Bizhub C350 Service Manual

bizhub C350 Field Service Ver. 2.0 April 2004
2.3.10 P-26 : 1st image transfer ATVC (Black) failure
2.3.11 P-27 : 2nd image transfer ATVC failure
2.3.12 P-29 : 1st image transfer ATVC (Color) failure
High Voltage Unit/2 (HV2)
Control Board (PWB-MC)
Step
Check the contact of the Transfer Belt Unit and that of HV2 for connection and clean or correct
1
the contact as necessary.
2 Change the Image Transfer Belt Unit.
3 Change HV2.
4 Change PWB-MC.
2.3.13

P-30: Color PC Drum Sensor malfunction

Color PC Drum Main Sensor (PC10)
Color PC Drum Sub Sensor (PC35)
Step
1 Reinstall or reconnect PC10 or PC35 if it is installed or connected improperly.
2 Clean PC10 or PC35 if it is dirty
3 Open and close the Left Door to reset the fault.
4 If P-30 occurs again, change PC10 or PC35.
5 Change PWB-MC.
2.3.14

P-31: Black PC Drum Sensor malfunction

Bk PC Drum Main Sensor (PC11)
Bk PC Drum Sub Sensor (PC36)
Step
1 Perform the faulty sensor check procedure *1.
Check the sensor, for which a faulty condition has been checked, for installed position and
2
proper connector connection.
3 Wipe the sensor, for which a faulty condition has been checked, clean of dirt if any.
4 If P-31 persists, change the sensor which was found faulty.
5 Change PWB-MC.
*1: Faulty sensor check procedure
1. Open the Front Door and turn ON the Power Switch of the machine.
2. Call the "I/O Check" screen to the screen by way of Tech. Rep. Mode.
3. Close the Front Door and start "Stabilizer."
4. During the Stabilizer sequence, check to see if the values of the phase detection sen-
sors (Color PC Drum Main/Sub and Bk PC Drum Main/Sub Sensors) change.
5. A sensor is faulty if its value does not change.
Relevant Electrical Parts
Image Transfer Belt Unit
Action
Relevant Electrical Parts
Control Board (PWB-MC)
Action
Relevant Electrical Parts
Control Board (PWB-MC)
Action
4-17
Malfunction code