Diagnostic information 2-169
No fuse
Step Check Yes No
1 Check the fuser unit assembly installation.
Is the fuser unit assembly properly installed?
Go to step 2. Reinstall the
fuser unit
assembly.
2
Check the media condition.
Load new, dry, recommended media.
Re-print the defective image.
Does the problem remain?
Go to step 3. Problem solved.
3
Check the heat roll and pressure roll.
Remove the fuser unit assembly.
Is there contamination or cracks on the heat roll and/or
pressure roll?
Replace the
fuser unit
assembly.
Go to “Fuser
unit assembly
page 4-22.
Go to step 4.
4
Check the LVPS card assembly for proper connection.
Is the above component connected properly?
Replace the
LVPS card
assembly.
Go to “System
card assembly
removal” on
page 4-76 or
“LVPS card
assembly
page 4-30.
Remove then
reinsert the
LVPS card
assembly.
5
Perform a print test.
Does the problem remain?
Replace the
system card
assembly.
Go to “System
card assembly
removal” on
page 4-76.
Problem solved.
Leading edge
Trailing edge
to cool down.
CAUTION: Allow the fuser unit assembly
removal” on
removal
(5350dn, 5530dn,
and T656)” on