Toner Fog Or Background Shading Appears On Prints - Lexmark MX81 Series Service Manual

Toner fog or background shading appears on prints

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Actions
Step 1
Make sure the imaging unit or toner cartridge is not damaged.
Note: In some printer models, you may need to check all print or toner
cartridges.
a
Remove the imaging unit or toner cartridge.
Warning—Potential Damage: Be careful not to touch the
photoconductor drum or imaging kit. Doing so may affect the print
quality of future print jobs.
b
Reinstall the imaging unit or toner cartridge.
Does this solve the problem?
Step 2
Resend the print job:
Before sending the job to print, check to make sure that an off-white
background is not selected.
• For Windows users, check the Print properties.
• For Macintosh users, check the Print dialog.
Does this solve the problem?
Step 3
Replace the imaging unit or toner cartridge.
Does this solve the problem?
Step 4
Replace the fuser.
Does this solve the problem?
Step 5
Replace the LVPS. See "LVPS removal" on page
Does this solve the problem?
Yes
The problem is solved. Go to step 2.
The problem is solved. Go to step 3.
The problem is solved. Go to step 4.
The problem is solved. Go to step 5.
The problem is solved. Go to step 6.
403.
Diagnostic information
50
7463
No