2-166 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 4-16.
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 “LVPS
card assembly
removal
(T650)” on
page 4-64 or
“LVPS card
assembly
removal (T652,
T654)” on
page 4-66.
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 (T650,
T652, T654)” on
page 4-69.
Problem solved.
Leading edge
Trailing edge
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