Lexmark MB2236 User Manual page 155

Troubleshoot a problem
Solid black pages
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
navigate through the settings.
Action
Step 1
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.
Is the printer printing solid black pages?
Step 2
a
Remove, and then insert 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
Print the document.
Is the printer printing solid black pages?
Step 3
Check the imaging unit for signs of damage.
Note: Make sure that the photoconductor drum contact is not
bent or out of place.
Is the imaging unit free from damage?
Step 4
a
Replace the imaging unit.
b
Print the document.
Is the printer printing solid black pages?
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Contact customer Go to step 4.
support.
Contact customer The problem is
support. solved.
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