Action
Yes
No
Step 1
a
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note:
If the cartridge is not supported, then install a
supported one.
b
Print the document.
Do vertical light bands appear on prints?
Go to step 2.
The problem is
solved.
Step 2
a
Check the status of the toner cartridge.
From the control panel, navigate to:
Settings
>
Reports
>
Device
>
Device Statistics
b
From the Supply Information section of the pages printed,
check the status of the toner cartridge.
Do vertical light bands appear on prints?
Go to step 3.
The problem is
solved.
Step 3
a
Replace the toner cartridge.
b
Print the document.
Do vertical light bands appear on prints?
Contact
The problem is
solved.
Vertical white lines
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.
Troubleshoot a problem
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