Lexmark M3250, User Manual

Page: 146 / 187

Vertical dark streaks with print missing
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
a
Remove the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit
to direct light for more than 10 minutes. Extended exposure
to light may cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum under the imaging unit. Doing so may
affect the quality of future print jobs.
b
Remove any packing material that is stuck on the imaging unit.
Note: Make sure to remove any obstruction between the
charge roller and photoconductor drum.
c
Insert the imaging unit.
d
Print the document.
Do vertical dark streaks with missing images appear on prints?
Go to step 2. The problem is
solved.
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 customer
support .
The problem is
solved.
Troubleshooting 146