Field Service Ver. 1.1 May 2011
22. IMAGE QUALITY PROBLEM
361
TROUBLESHOOTING
22.2.17
Printer monocolor: gradation reproduction failure
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C522DA
Step
Section
Check item
Result
Action
1
Photo/density
Original type and screen pattern are
selected properly.
NO
Change screen pattern.
2
PH unit
The surface of the PH window is
dirty.
YES
Clean with cleaning jig.
3
IDC sensor
The surface of the IDC sensor is
dirty.
YES
Clean.
4
The problem has been eliminated
through the checks of steps up to 3.
NO
Change imaging unit.
o
Change printer control board
o
Change PH unit.
o
Change high voltage unit.
d-Color MF2400
Summary of Contents for PF-P09
Page 1: ...SERVICE MANUAL Color Printer d Color MF2400 PF P09 Code Y113750 1...
Page 4: ...ii Blank Page...
Page 27: ...SERVICE MANUAL Color Printer d Color MF2400 Code Y113750 1...
Page 436: ...SERVICE MANUAL Color Printer Code Y113750 1 SERVICE MANUAL PF P09...
Page 457: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 12 2011 1ST EDITION 457 Y113750 1...