Action
Yes
No
Step 2
a
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note:
If the toner cartridge is not supported, then install a
supported one.
b
Print the document.
Do vertical dark streaks with missing images appear on prints?
Contact
The problem is
solved.
Repeating defects
Note:
Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings
>
Troubleshooting
>
Print Quality Test Pages
. For non
‑
touch
‑
screen printer models, press
to
navigate through the settings.
Action
Yes
No
Step 1
Using the Print Quality Test Pages, check if the distance
between the repeating defects is equal to any of the following:
Imaging unit
•
75.30 mm (2.96 in.)
•
44.60 mm (1.76 in.)
Toner cartridge
•
39.30 mm (1.55 in.)
•
28.30 mm (1.11 in.)
Transfer roller
•
44 mm (1.73 in.)
Fuser
•
78.1 mm (3.07 in.)
•
75.4 mm (2.97 in.)
Does the distance between the repeating defects match any of the
measurements?
Go to step 2.
Take note of the
distance, and then
contact
Troubleshoot a problem
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