Lexmark T650n Service Manual page 189

Step
6 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?
7 Perform a print test.
Does the problem remain?
Horizontal stripes (side to side direction)
Leading edge
Trailing edge
Step
1 Check the media condition.
Load new, dry, recommended media.
Re-print the defective image.
Does the error continue?
2 Check the media transfer route.
Check the media route for contamination or obstacles.
3
Check the print cartridge for proper installation.
Is the above component properly installed?
Check
CAUTION: : Allow
the fuser unit
assembly to cool
down.
Check
Yes
Replace the Go to step 7.
fuser unit
assembly.
Go to "Fuser
unit assembly
removal (T650,
T652, T654)" on
page 4-17.
Contact next Problem solved.
highest level of
tech support.
Yes
Go to step 2. Problem solved.
Go to step 3. Remove
obstacles or
contamination.
Go to step 4. Inspect, clean
and reinstall
replace the print
cartridge.
Diagnostic information
4062
No
No
2-157