Alignment & Troubleshooting
Service Manual
4-74
Samsung Electronics
Dark or Black image
Cause and Check Point
Solution
No charging voltage in the HVPS
Check the connecting state between the Main PBA and
HVPS. Reconnect the harness.
Poor contact between toner cartridge and set contacts.
Clean the contacts as necessary. Replace any
deformed or damaged contacts.
HVPS is defective.
Replace the HVPS.
Description
The back of the page is contaminated.
Contamination on back of page
Cause and Check Point
Solution
Dirty registration roller, pressure roller, feed roller, etc.
Any dirty rollers through the path of the paper.
Identify the roller which may cause the problem by
comparing the period of the contamination on images
with the size of rollers. Clean any dirt from the roller or
replace the dirty roller.
Dirty PTB belt or damaged PTB belt.
Clean PTB or replace the PTB unit.
Dirty feed guide, or any paper delivery guide.
Clean the part which cause the contamination.
Description
The back of the page is contaminated.
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
Summary of Contents for CLX-6220FX
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