Service Manual

2-176 Service Manual
4062
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.
CAUTION: : Allow
the fuser unit
assembly to cool
down.
Is there contamination or cracks on the heat roll and/or
pressure roll?
Replace the
fuser unit
assembly.
Go to “Fuser
unit assembly
removal (T650,
T652, T654)” on
page 4-23.
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 (T650,
T652, T654,
T656)” on
page 4-76 or
“LVPS card
assembly
removal (T652,
T654)” on
page 4-31.
Remove then
reinsert the
LVPS card
assembly.
Leading edge
Trailing edge