B4400/B4600 User’s Guide – Troubleshooting > 92
Fuzzy print. LED array is dirty. Clean LED array.
Distorted print. Paper path, lamp
assembly, or fusing
unit problem.
Generate cleaning page.
Contact service.
Faded print. Toner cartridge is
not correctly
installed.
Ton e r lo w.
Install toner cartridge correctly.
Replace toner cartridge.
Smeared or
blotched print.
Dirty rollers; toner
dropped inside
printer or image
drum problem.
Replace image drum and toner.
Contact service.
Printed page is
light/blurred.
Is toner low? Replace toner cartridge.
Is paper meant for
laser printers?
Use recommended paper.
LED array is dirty. Clean LED array.
Bold characters
and dark lines
are smeared.
Toner is low. Install new toner cartridge.
Print is darker
than usual.
Darkness setting is
too high.
Change darkness setting.
Pages curl
excessively.
Printing on wrong
side of paper.
Turn paper over in tray. (Note
arrow on paper package). Install
paper print side down in tray.
Moisture in paper.
Improper storage.
Avoid storing paper in areas of
excessive temperature and
humidity. Store paper in protective
wrapping.
High humidity. Recommended operating humidity:
20-80%
SYMPTOM PROBLEM SOLUTION
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