Lexmark 7462 series Service Manual page 54

Action
Step 1
Check the media condition. Load new, dry, recommended media.
Reprint the defective image.
Does the problem remain?
Step 2
Check if the media transfer route is free of debris and
contamination.
Does the problem remain?
Step 3
Check the print cartridge for any damage and contamination, and
if necessary, replace the cartridge.
Does the problem remain?
Step 4
Check the charge roll assembly for contamination and wear, and if
necessary, replace the charge roll assembly. Go to
assembly removal" on page
Does the problem remain?
Step 5
Check the transfer roll assembly for contamination and wear, and
if necessary, replace the transfer roll assembly. Go to
assembly removal" on page
Does the problem remain?
Step 6
Check the heat roll and pressure roll. Remove, and then reinstall
the fuser unit assembly. Go to
page 373.
CAUTION—HOT SURFACE: Allow the fuser unit assembly
to cool down.
Does the problem remain?
Step 7
Replace the fuser unit assembly. Go to
removal" on page 373
Does the problem remain?
"Charge roll
335.
"Transfer roll
351.
"Fuser unit assembly removal" on
"Fuser unit assembly
Diagnostic information
54
Yes No
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. The problem is
solved.
Go to step 7. The problem is
solved.
Go to step 8. The problem is
solved.
7462