P-6: Cyan Imaging Unit Failure; P-7: Magenta Imaging Unit Failure; P-8: Yellow Imaging Unit Failure; P-9: Black Imaging Unit Failure - Konica Minolta bizhub C250 Service Manual

Field Service Ver. 1.0 Jul. 2005
16.2.4

P-6: Cyan Imaging Unit failure

16.2.5

P-7: Magenta Imaging Unit failure

16.2.6

P-8: Yellow Imaging Unit failure

16.2.7

P-9: Black Imaging Unit failure

Imaging Unit /C
Imaging Unit /M
Imaging Unit /Y
Imaging Unit /K
Step
Select [Imaging Process Adjustment] → [D Max Density] and, if the setting value is negative,
1
readjust.
2 Check the drive transmission portion of the Imaging Unit and correct as necessary.
Clean the IDC / Registration Sensor /1 (SE1) or IDC / Registration Sensor /2 (SE2) window if
3
dirty.
4 Clean the contact of the Imaging Unit connector if dirty
5 Check the HV1 connector for proper connection and correct as necessary.
6 Change Imaging Unit.
7 Change the Image Transfer Belt Unit.
16.2.8

P-21: Color Shift Test Pattern failure

Image Transfer Belt Unit
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.
16.2.9

P-22: Color Shift Adjust failure

IDC / Registration Sensor /1 (SE1)
Step
1 Slide out the Imaging Unit and reinstall it in position.
2 Reinstall or reconnect SE1 or SE2 if it is installed or connected improperly.
3 Check the Vertical Transport Guide for installed position and correct as necessary.
Relevant Electrical Parts
Image Transfer Belt Unit
High Voltage Unit (HV1)
Action
Relevant Electrical Parts
Action
Relevant Electrical Parts
IDC / Registration Sensor /2 (SE2)
Action
16. Malfunction code
331