Action
Yes
No
Step 3
a
Remove, and then insert the imaging unit.
Warning—Potential Damage:
Do not expose the imaging unit
to direct light. Extended exposure to light can cause print
quality problems.
Warning—Potential Damage:
Do not touch the
photoconductor drum. Doing so may affect the quality of
future print jobs.
b
Print the document.
Do vertical dark lines or streaks appear on prints?
Go to step 4.
The problem is
solved.
Step 4
a
Replace the imaging unit.
b
Print the document.
Do vertical dark lines or streaks appear on prints?
Contact
The problem is
solved.
Vertical dark streaks with print missing
Note:
Before solving the problem, print the Print Quality Test Pages. From the home screen, touch
Settings
>
Troubleshooting
>
Print Quality Test Pages
.
Action
Yes
No
Step 1
a
Remove the printhead wiper, and then clean the printhead lens.
b
Print the document.
Do vertical dark streaks with missing images appear on prints?
Go to step 2.
The problem is
solved.
Troubleshoot a problem
203
