Horizontal Bands - Samsung CLX-6250FX Service Manual

Horizontal Bands

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