P-26: 1St Image Transfer Atvc (Black) Failure; P-27: 2Nd Image Transfer Atvc Failure; P-29: 1St Image Transfer Atvc (Color) Failure; P-30: Color Pc Drum Sensor Malfunction - Konica Minolta bizhub C250P Service Manual

Field Service Ver. 2.0 Mar. 2006
23.2.9

P-26: 1st image transfer ATVC (Black) failure

23.2.10

P-27: 2nd image transfer ATVC failure

23.2.11

P-29: 1st image transfer ATVC (Color) failure

High Voltage Unit (HV1)
Mechanical Control Board (PWB-M)
Step
Check the contact of the Transfer Belt Unit and that of HV1 for connection and clean or correct
1
the contact as necessary.
2 Change the Image Transfer Belt Unit.
3 Change HV1.
4 Change PWB-M.
23.2.12

P-30: Color PC Drum Sensor malfunction

Color PC Drive Main Sensor (PC17)
Color PC Drive Sub Sensor (PC18)
Step
1 Perform the faulty sensor check procedure.
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-30 occurs again, change the Transport Drive Assy.
5 Change PWB-M.
23.2.13

P-31: Black PC Drum Sensor malfunction

Black PC Drive Main Sensor (PC15)
Black PC Drive Sub Sensor (PC16)
Step
1 Perform the faulty sensor check procedure.
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 Transport Drive Assy.
5 Change PWB-M.
Relevant Electrical Parts
Image Transfer Belt Unit
Action
Relevant Electrical Parts
Transport Drive Assy
Mechanical Control Board (PWB-M)
Action
Relevant Electrical Parts
Transport Drive Assy
Mechanical Control Board (PWB-M)
Action
23. Malfunction code
307