Lexmark 5021-0XX - Manual (Page 177)

Diagnostic information 2-99
5021-0XX
Paper feed service checks
Printer paper feed service check
Problem area Action
1 Check for recommended
paper Ensure paper being used is recommended.
Ensure paper is stored in an area free from
high humidity.
Note: Disconnect secondary paper
assembly and duplex unit, if installed, to
help isolate a paper transport problem.
2 Paper tray Ensure paper tray is not damaged.
Check for paper caught behind tray in
pickup transport roll.
Replace any damaged parts.
3 • Paper feed roller
• Separator pad Check paper feed roller and separator pad
for wear or damage.
“Paper feed roller
removal” on page 4-48 .
Replace any damaged parts.
4 • Registration roller
• Transfer roller Check registration roller for damage or
binds, and replace if necessary. See
“Registration assembly removal” on
page 4-52
.
Check transfer roller for damage and
replace if necessary.
“Transfer roller
removal” on page 4-8 .
5 Transfer belt unit Ensure transfer unit is not damaged and is
free of foreign material.
Note: Do not touch transfer belt with your
hands.
6 Transfer belt unit
cleaning roller Ensure no paper is jammed in cleaning
roller.
Ensure cleaning roller is not damaged.
Replace cleaning roller if necessary.