23. Malfunction code
Field Service Ver. 2.0 Mar. 2006
306
bizhub C250P
T
roubleshooting
23.2.3
P-6: Cyan Imaging Unit failure
23.2.4
P-7: Magenta Imaging Unit failure
23.2.5
P-8: Yellow Imaging Unit failure
23.2.6
P-9: Black Imaging Unit failure
23.2.7
P-21: Color Shift Test Pattern failure
23.2.8
P-22: Color Shift Adjust failure
Relevant Electrical Parts
Imaging Unit /C
Imaging Unit /M
Imaging Unit /Y
Imaging Unit /K
Image Transfer Belt Unit
High Voltage Unit (HV1)
Step
Action
1
Select [Imaging Process Adjustment]
→
[D Max Density] and, if the setting value is negative,
readjust.
2
Check the drive transmission portion of the Imaging Unit and correct as necessary.
3
Clean the IDC / Registration Sensor /1 (SE1) or IDC / Registration Sensor /2 (SE2) window if
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.
Relevant Electrical Parts
Image Transfer Belt Unit
Step
Action
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.
Relevant Electrical Parts
IDC / Registration Sensor /1 (SE1)
IDC / Registration Sensor /2 (SE2)
Step
Action
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.
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