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 C350 Service Manual

Malfunction code
2.3.4

P-6: Cyan Imaging Unit failure

2.3.5

P-7: Magenta Imaging Unit failure

2.3.6

P-8: Yellow Imaging Unit failure

2.3.7

P-9: Black Imaging Unit failure

Imaging Unit C
Imaging Unit M
Imaging Unit Y
Imaging Unit Bk
Step
Select "Image Adjust" → "PRT Max Density" and, if the setting value is negative, readjust.
1
2 Check the drive transmission portion of the Imaging Unit and correct as necessary.
3 Clean the AIDC Sensor window if dirty
4 Clean the contact of the Imaging Unit connector if dirty
5 Change Imaging Unit.
6 Change the Image Transfer Belt Unit.
2.3.8

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.
2.3.9

P-22: Color Shift Adjust failure

AIDC / Registration Sensor /1 (PC8)
Step
Check the LED retraction lever for locked position and, if there is any faulty condition evident,
1
slide out the Imaging Unit and reinstall it in position.
2 Reinstall or reconnect PC8 or PC9 if it is installed or connected improperly.
3 Check the Vertical Transport Guide for installed position and correct as necessary.
4-16
bizhub C350 Field Service Ver2.0 Sep. 2004
Relevant Electrical Parts
Image Transfer Belt Unit
Action
Relevant Electrical Parts
Action
Relevant Electrical Parts
AIDC / Registration Sensor /2 (PC9)
Action