Lexmark W810n - Optra B/W Laser Printer Reference page 37

Print quality problems (continued)
Symptom
Irregularities
White or black line
Cause
The paper has
absorbed moisture
due to high humidity.
You are using media
that does not meet the
printer specifications.
The transfer roller is
worn or defective.
The fuser is worn or
defective.
The photoconductor
cartridge is defective.
23
Solution
Load paper from a fresh
package in the paper tray.
See "Storing supplies" on
page 109 for information on
storing paper.
• Use recommended paper
and other media. Refer to
the Complete Printer
Reference on Lexmark's
Web site for detailed
specifications.
• Avoid textured paper with
rough finishes.
Replace the transfer roller.
See "Replacing the transfer
roller" on page 131.
Replace the fuser.
See "Installing the fuser" on
page 140.
Replace the photoconductor
cartridge.
See "Replacing the photocon-
ductor cartridge" on page 117.