Olivetti PF-P09, Service Manual

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Field Service Ver. 1.1 May 2011 22. IMAGE QUALITY PROBLEM
373
TROUBLESHOOTING
22.2.29 Printer 4-color: poor color reproduction
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C527DA
Step Section Check item Result Action
1 Paper Paper is damp. YES Change paper to one just
unwrapped from its package.
2 Transfer belt unit Terminal is dirty. YES Clean.
3 Transfer roller
unit Transfer roller is installed properly. NO Reinstall.
4 Charge neutralizing needle is not
separated and ground terminal is
connected properly. NO Correct or change.
5 IDC sensor Sensor is dirty. YES Clean IDC sensor and execute
the calibration.
6 The problem has been eliminated
through the checks of steps up to 5. NO Change transfer belt unit.
o
Change printer control board.
o
Change high voltage unit.
o
Change MFP board/2.
d-Color MF2400