Lexmark X500N, Service Manual

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Service Manual
7100-XXX
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, 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. See
“Paper feed roller removal” on page 4-32 .
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 4-33 .
Check transfer roller for damage, and replace if necessary. See
“Transfer roller removal” on page 4-6 .
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.
7 Fuser assembly Ensure fuser assembly is not damaged or dirty.
Ensure fuser assembly guides and gears are not broken and are
free of paper.
Note: Fuser assembly is a customer-ordered supply.
8 • Paper exit assembly
• Gears Check rear cover assembly for damage.
Ensure paper exit roller located in paper exit assembly is not
damaged.
Ensure paper exit gears and bearings are good.
Ensure paper guides are not bent or dirty.
Clean or replace parts if necessary.