Lexmark MX721 User Manual page 248

Troubleshooting
Action
Step 6
Turn off the printer, install the hardware options, and then turn on
the printer.
For more information, see the documentation that came with the
option.
Is the printer responding?
Step 7
Install the correct print driver.
Is the printer responding?
Step 8
Turn off the printer, wait for about 10 seconds, and then turn on the
printer.
Is the printer responding?
Adjusting toner darkness
1
From the home screen, touch Settings > Print > Quality.
2
In the Toner Darkness menu, adjust the settings.
Job prints from the wrong tray or on the wrong paper
Action
Step 1
a
Check if you are printing on the correct paper.
b
Print the document.
Is the document printed on the correct paper?
Step 2
a
Depending on your operating system, specify the paper size
and paper type from the Printing Preferences or Print dialog.
Note: You can also change the settings on the printer control
panel. Navigate to:
Settings > Paper > Tray Configuration > Paper Size/Type
b
Make sure that the settings match the paper loaded.
c
Print the document.
Is the document printed on the correct paper?
Yes No
The problem is Go to step 7.
solved.
The problem is Go to step 8.
solved.
The problem is Contact
solved. support.
Yes No
Go to step 2. Load the correct
paper size and paper
type.
The problem is Go to step 3.
solved.
248
customer