Poor Color Reproduction - Konica Minolta magicolor 2400W Service Manual

20. Image Quality Problems
20.1.8

Poor color reproduction

A. Typical faulty images
B. Troubleshooting procedure
Step Section
1 Paper
2 Transfer Belt Unit Is the terminal dirty?
3 AIDC Sensor
4
156
Check Item
Is the paper damp?
Is the sensor dirty?
Have steps 1-3 eliminated the
problem?
Field Service Ver. 4.0 Feb. 2006
4138fs4503c0
Result
Replace the paper with new
YES paper that has just been
unwrapped.
YES Clean.
YES Clean.
Replace the Transfer Belt Unit.
→ Replace the AIDC Sensor.
→ Replace the Mechanical
NO
Control Board.
→ Replace the High Voltage Unit.
Action