Print Quality-Insufficient Fusing; Print Quality-Missing Image At Edge; Print Quality-Mottle (2-5Mm Speckles) - Lexmark C540n Service Manual

Print quality—insufficient fusing
Step Questions / actions
1 Is the printer setup to use the correct media?
2 Check the fuser connections on the left and
right side of the printer.
Are the cables and connection correct?
3
Is the fuser properly installed?
4 Replace the fuser. See
removal" on page
Does this fix the problem?
Print quality—missing image at edge
Remove and reseat the following:
•
Toner cartridge
•
Imaging unit
•
Developer units.
Print quality—mottle (2–5mm speckles)
Keep running prints through, and the problem normally clears up. If the problem persists,
replace the developer.
"Fuser assembly
4-29.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Problem resolved.
5025-2xx, 4xx
No
Change the settings to
indicate the correct media.
Properly reconnect or
replace the cables.
Install the fuser properly.
Replace the LVPS. See
"Low-voltage power
supply (LVPS) assembly
removal" on page 4-47.
2-45
Diagnostic information