HP Color LaserJet 4500 Printer series - Manual (Page 157)

EN Chapter 9 157
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Faded print, random faded areas, or speckles
Problem Solution
The message TRANSFER KIT LOW
REPLACE TRANSFER KIT appears
on the printer control panel. Print out a configuration page to
verify the remaining life of the
transfer belt. Replace the transfer
belt if necessary.
The moisture content of your paper
is uneven or too low. Use paper from a different source or
from an unopened ream of paper.
Some areas of the paper reject
toner. Use paper from a different source or
from an unopened ream of paper.
Your paper is excessively rough. Use a smoother, xerographic paper.
The letterhead you are using is
printed on rough paper. Try a smooth xerographic paper. If
this solves your problem, consult
with the printer of your letterhead to
verify that the paper used meets the
specifications for this printer.
Media does not meet the
specifications for this printer. Only use media that meets the
media specifications for this printer
(see chapter 3).
The printer is operating in
excessively humid or dry conditions. Verify that the printing environment
is within humidity specifications.
Print is faded. If a TONER LOW or TONER OUT
message is displayed on the printer
control panel, replace the
appropriate toner cartridge. If the
problem persists, call for service.
The transfer belt may be
contaminated. Use a lint-free cloth to clean any
contaminants from the transfer belt
surface.