Actions Yes No
Step 15
Perform the paper skew adjustment. See
“Printhead assembly
adjustments” on page 276.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Streaked vertical lines appear on prints check
Note: This check applies only to printer models with a hot roll fuser.
Actions Yes No
Step 1
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the printer is using a third‑party cartridge, then refer the
users to their cartridge supplier.
Is the printer using a genuine and supported toner cartridge?
Go to step 3. Go to step 2.
Step 2
Install a genuine and supported toner cartridge.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Using a blank piece of paper, make a two‑sided (duplexed) copy
using the ADF.
Do vertical dark lines appear on the print exiting the printer?
Go to step 4. Go to step 5.
7015
Diagnostics and troubleshooting
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