Lexmark MX931 MFP User Manual page 341

Troubleshoot a problem
Gray background
Note: Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings > Troubleshooting > Print Quality Test Pages.
Action
Step 1
a
Turn off the printer, wait for 10 seconds, and then turn on the
printer.
b
Decrease toner darkness.
From the control panel, navigate to Settings > Print > Quality
> Toner Darkness.
c
Print the document.
Does gray background appear on prints?
Step 2
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.
Does gray background appear on prints?
Step 3
a
Depending on your operating system, specify the paper type
from the Printing Preferences or Print dialog.
Notes:
•
Make sure that the setting matches the paper loaded.
•
You can also change the setting from the printer control
panel. Navigate to Settings > Paper > Tray Configuration
> Paper Size/Type.
b
Print the document.
Does gray background appear on prints?
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
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