2-38 Service Manual
4506-1xx
Streaked vertical lines • The toner is smeared before
fusing to the paper.
• The toner cartridge is defective.
• The PCU cleaner is full.
• If paper is stiff, try feeding from the
priority feeder.
• Replace the toner cartridge.
• Replace the PCU kit.
Print irregularities • The paper has absorbed
moisture due to high humidity.
• The paper may not meet printer
specifications.
• The fuser is worn or defective.
• Load paper from a fresh package.
• Avoid textured paper with rough
finishes.
• Check to make sure that the dust
cover is in place and in use.
(Absence of the dust cover will
cause spotting.)
• Make sure the printer driver paper
type setting matches the type of
paper being used.
• Replace the fuser.
Light print • The Toner Darkness setting is
too light.
• The paper may not meet printer
specifications.
• The toner cartridge is low.
• The toner cartridge is defective.
• Select a different Toner Darkness
setting from the printer driver before
sending the job to print.
• Try paper from a new package.
• Avoid textured paper with rough
finishes.
• Make sure paper loaded in the tray
is not damp.
• Replace the toner cartridge.
Dark print • The Toner Darkness setting is
too dark (check driver)
• The toner cartridge is defective.
• Select a different Toner Darkness
setting from the printer driver before
sending the job to print.
• Replace the toner cartridge.
Poor transparency
print quality
(Print has
inappropriate light or
dark spots, toner is
smeared, or horizontal
or vertical light bands
appear.)
• The transparencies may not
meet printer specifications.
• The Form Type setting in the
printer driver is set to a media
other than transparency.
• Use only transparencies
recommended by the printer
manufacturer (use care not to touch
transparency surfaces with your
fingers).
• Make sure the Form Type setting is
set to transparency.
Toner specks • The toner cartridge is defective.
• The fuser is worn or defective.
• Toner is in the paper path.
• The long-life photoconductor kit
is exhausted.
• Replace the toner cartridge.
• Replace the fuser.
• Remove toner.
• Replace the long-life
photoconductor kit.
Symptom Cause Solution
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