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.
bizhub C350 Field Service Ver. 2.0 April 2004
Relevant Electrical Parts
Image Transfer Belt Unit
Action
Relevant Electrical Parts
Action
Relevant Electrical Parts
AIDC / Registration Sensor /2 (PC9)
Action
4-16