P-5: Idc Sensor (Front) Failure; Idc Sensor (Back) Failure - Konica Minolta bizhub C250P Service Manual

Field Service Ver. 2.0 Mar. 2006
23.2.1

P-5: IDC Sensor (Front) failure

23.2.2 P-28 IDC Sensor (Back) failure
IDC / Registration Sensor /1 (SE1)
IDC / Registration Sensor /2 (SE2)
Step
1 Wipe clean the surface of the Transfer Belt with a soft cloth, if it is dirty
2 Change the Image Transfer Belt Unit if the Transfer Belt is damaged.
3 Reinstall or reconnect SE1 or SE2 if it is installed or connected improperly.
4 Clean SE1 or SE2 if it is dirty
5 Check the HV1 connector for proper connection and correct as necessary.
Open and close the Front Door, run an image stabilization sequence, and select
[State Confirmation] → [Level History 1] to check the IDC value.
6
IDC1: SE1, IDC2: SE2
If the value is 1.0 V or less, change SE1 or SE2.
7 Change PWB-M
Relevant Electrical Parts
Mechanical Control Board (PWB-M)
High Voltage Unit (HV1)
Image Transfer Belt Unit
Action
23. Malfunction code
305