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Horizontal line
•
Go to step 1 if there is a horizontal black line only.
•
Go to step 2 if there is a cyan, magenta or yellow horizontal line.
Step
Action and questions
1
Black print cartridge—the most likely cause of this
failure is a failing black print cartridge where the PC
drum is shorting to the charge roll inside the print
cartridge. Try a new black print cartridge.
Does this fix the problem?
2
Cyan print cartridge check—enter the Diagnostics
Mode. Remove the cyan print cartridge and run the
print test.
Does the problem still exist for the remaining
cartridges?
3
Magenta print cartridge check—enter the Diagnostics
Mode. Remove the magenta print cartridge and run the
print test.
Does the problem still exist for the remaining
cartridges?
Horizontal lines or streaks
Is the horizontal marks or lines repeat at evenly-spaced intervals, use the
on page 3-3
to determine the part to be replaced.
For lines or marks appearing a random intervals, go to step 1.
Step
Action and questions
1
Are the horizontal marks or lines in a single color?
2
Print cartridge(s) - Enter the Diagnostics Mode.
Remove one print cartridge at a time and run a Test
Page to isolate the faulty print cartridge.
Have you isolated the failing print cartridge?
3
Reseat the ITU.
Do the marks/lines persist?
4
Does the printer display an 83 ITU Maintenance
message?
Yes
No
Replace the
Call your next level
cartridge
support
Go to step 3
Replace the failing
cartridge
Replace the yellow
Replace the
print cartridge
magenta print
cartridge
"Print quality defect locator chart"
Yes
No
Replace the
Go to step 2
cartridge.
Replace the
Go to step 3
cartridge contact
assembly. See
"Cartridge
contact assembly
removal" on
page
4-23.
Go to step 4
Problem solved
Recommend the
Replace the ITU
customer order the
assembly. See
ITU maintenance
"ITU assembly
kit. See
removal" on
"Scheduled
page
maintenance" on
page
6-4.
Diagnostic information
5060-00x
4-37.
2-137
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