Print Quality-Horizontal Banding; Print Quality-Horizontal Line - Lexmark C540n Service Manual

Print quality—horizontal banding
Print the Print Defect Page:
1. At the Ready prompt, press Menu (
Select Reports, and press Select (
2.
Select Print Defects, and press Select (
3.
Step Questions / actions
Measure the distance between repeating
1
bands.
Is the distance between bands either 34.6 or
94.2 mm?
Does the distance measure 95 mm or
2
108 mm?
Does the distance measure 37.7, 55, or
3
78.5 mm?
Does the distance measure 43.9 mm or 45.5?
4
Print quality—horizontal line
Either the photoconductor unit or one of the developer units that make up the imaging unit is defective. Remove
and inspect the imaging unit. Replace the damaged part of the imaging unit. See
on page 4-49.
).
).
).
Yes
Replace the photoconductor
unit. Remove the imaging
unit and remove the original
developer units, and then
put them back into the new
photoconductor unit, and
reinstall the imaging unit.
See
"Imaging unit (IU)
removal" on page 4-49.
Replace the fuser. See
"Fuser assembly
removal" on page 4-32.
Replace the ITU. See
"Image transfer unit (ITU)
removal" on page 4-44.
Replace the developers that
match the missing color
(black, cyan, magenta, or
yellow). See
"Developer
unit removal" on
page 4-21.
5025-2xx, 4xx
No
Go to step 2.
Go to step 3.
Go to step 4.
Check the various rollers in
the printer for debris.
"Imaging unit (IU) removal"
Diagnostic information
2-47
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