Lexmark MX810dfe User Manual page 347

Troubleshooting
Action
Step 2
Check if the paper size setting matches the size of the paper
loaded in the tray.
From the Paper menu on the printer control panel, check the
Paper Size setting.
Does the paper size setting match the size of the paper loaded in
the tray.
Step 3
a
Specify the paper size. Depending on your operating system,
specify the paper size in Printing Preferences or the Print
dialog.
b
Resend the print job.
Do copies print properly?
Poor copy quality
Action
Step 1
Check if an error or status message appears on the display.
Does an error or status message appear?
Step 2
Check the quality of the original document.
Is the quality of the original document satisfactory?
Step 3
If dark marks appear on prints, then clean the scanner glass and
the ADF glass using a clean, lint-free cloth dampened with water.
Is the scanner glass clean?
Step 4
Send a print job, and then check for print quality problems.
a
From the General Settings menu, adjust the Eco‑Mode settings.
b
From the Copy menu, adjust the Darkness setting.
c
If the print remains faded, then replace the toner cartridge.
Is the print quality satisfactory?
Yes No
Go to step 3. Change the paper
size setting to match
the paper loaded in
the tray, or load the
tray with paper that
matches the paper
size setting.
The problem is Contact
solved. support.
Yes No
Clear the error or Go to step 2.
status message.
Go to step 3. Increase the scan
resolution setting for
a higher‑quality
output.
Go to step 4. See
scanner glass" on
page
Go to step 5. See
problems" on
page
347
customer
"Cleaning the
246.
"Print quality
327.