T-30
(3)
Image reading system: Foggy background or rough image
<Sample of Image Quality Problem>
<Troubleshooting Procedures>
Step
Check
Result
Action
1
Does sunlight or any other extraneous
light enter the machine?
YES Protect the copier from extrane-
ous light.
2
Is the document damaged or dirty?
YES Replace the document.
3
Improper charging.
YES Replace the HV1.
4
Defective PC Drum.
YES Replace the Drum Cartridge.
5
Are there no bent connector pins on the
cables connecting the control boards,
are all connectors correctly plugged in,
and are no cables broken?
NO
Correctly plug in the connectors.
Replace connection cables.
4011T004AA
Содержание NEFAX 671
Страница 1: ...SERVICE MANUAL FIELD SERVICE NEC Unified Solutions Inc NEFAX 671 691...
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