Vertical Voids Appear On Prints - Lexmark MX81 series Service Manual

Actions
Step 3
Check the transfer roll for contamination or excessive wear.
Is it free of contamination or wear?
Step 4
Remove the fuser and check for damage or debris on the rollers and belts.
Is it free of damage and debris?
Step 5
Reseat the cables JVIDEO1 and JGLV on the controller board.
Does the problem remain?

Vertical voids appear on prints

Action
Step 1
Check the media condition and load new dry, recommended media.
Re‑print the defective image.
Does the problem remain?
Step 2
Check the media transfer route and media path for contamination and
debris.
Are the above paths free of contamination and debris?
Step 3
Check the laser beam route. Check for debris between the printhead
assembly and the PC drum.
Is the laser beam route free of debris, and the glass window in the
printhead assembly free of contamination?
Step 4
Check the print cartridge for proper installation.
Is the above component properly installed?
Yes
Go to step 4.
Go to step 5.
Replace the LSU.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Diagnostic information
48
7463
No
Replace the transfer
roll.
Replace the fuser.
The problem is solved.
No
The problem is solved.
Remove debris or
contamination.
Remove debris or clean
the printhead
assembly window.
Inspect, clean, and
replace the print
cartridge.