Samsung CLX-6220FX, Service Manual

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Alignment & Troubleshooting
Service Manual
4-76
Samsung Electronics
Contamination on the front of the page
Cause and Check Point Solution
Toner leakage due to improperly sealed toner cartridge. Replace the toner cartridge.
Poor OPC cleaning.
Replace the toner cartridge.
Rollers and drum are dirty or defective.
Identify the roller which may cause the problem by
comparing the period of the contamination on images
with the circumference of the roller. Clean any dirt from
the roller or replace the dirty roller and related parts.
Description The front page of the printed page is stained.
Horizontal Bands
Cause and Check Point Solution
The developing roller, OPC drum or other rollers in the
toner cartridge may be contaminated or deformed.
Replace the toner cartridge.
Contamination of the Gap-Ring - regular intervals
38.9mm Clean the gap ring, or replace it. Or replace the toner
cartridge
Poor contact of HV terminals of the toner cartridge with
high voltage terminals on the engine side.
Clean all HV terminals in the cartridge and on the
engine side. Ensure all toner or paper dust, particles
are removed.
Description
Dark or white horizontal stripes appear in the page.
(These may occur at regular intervals down the page.)
Vertical Black Line and Ban d
Vertical White Line
Contamination on back of pag e Dark image or Black
Blank Page Poor fusing
Horizontal Bands
Uneven Density
Vertical Black Line and Ban d
Vertical White Line
Contamination on back of pag e Dark image or Black
Blank Page Poor fusing
Horizontal Bands
Uneven Density