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8.4.2 Poor printing, cause and correction
Error source
Discharge strip
Cleaning brush
Photoconductor
drum
Developer station
Paper transport
Fuser station
Printhead
350
Type of error and correction
Bright spots /
streaks in printed
image
-
-
Photoconductor
drum soiled, replace
Developer out,
soiled: replace.
Creases or bumps in
the paper. Set,
correct, other paper.
-
Only for
printingsystems with
LPH2: Clean LED
print head: In the
<User>sub-menu,
activate <LPH
cleaning>.
Dark spots
-
-
Soiled, damaged (a
few spots are ok),
possibly replace
-
-
(Possible offset if
there is not enough
oil, check oil level)
-
Smudged print
image
-
-
-
-
Paper sticks in the
carton or to
deviations. Open up
carton, correct error.
Printing not fused
(possible operator
error), call service.
Optimize: Fuser
temperature, fuser
oil quantity, brake
force of the paper
brake.
-
A29246-X20-X-4-7680 / fa805.fm
Memory effects
ghost image
Soiled plastic strips,
clean
Cleaning brush
soiled or faulty,
replace cleaning
brush.
Damaged, possibly
replace.
-
-
(Possible offset
effect if there is not
enough oil, check oil
level) Optimize:
Fuser temperature,
fuser oil quantity.
Possibly clean fuser
roller.
-
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