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Partial lack
Leading edge
Trailing edge
Step
Check the media condition.
1
Load new, dry, recommended media.
Reprint the defective image.
Does the problem remain?
Check the four toner cartridges for proper installation.
2
Reprint the defective image.
Is the image density normal?
Check the LED beam route.
3
Check for debris between the LED printhead assembly
and the PC drum.
Check the four LED printhead assembly windows for
contamination.
Is the LED beam route free of debris and the glass
window, in the LED printhead assembly, free of
contamination?
Check the 2nd transfer roller for contamination and
4
wear.
Is the 2nd transfer roller free of excess wear and
contamination?
Replace the transfer belt cleaner. Go to
5
cleaner removal" on page
Does the problem remain?
Replace the transfer belt assembly. Go to
6
belt assembly removal" on page
Does the problem remain?
Check
"Transfer belt
4-178.
"Transfer
4-175.
Yes
No
Go to step 2.
Problem
resolved
Problem solved.
Replace any
empty toner
cartridges.
Go to step 4.
Remove debris
or clean the LED
printhead
assembly
window.
Go to step 5.
Replace the 2nd
transfer roller.
Go to
"2nd
transfer roller
removal" on
page
4-28.
Go to step 6.
Problem
resolved
Go to step 7.
Problem
resolved
Diagnostic information
7558-xxx
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