Lexmark MX721 User Manual page 258

Troubleshooting
Action
Step 4
a
Depending on your operating system, specify the paper size
and paper type from the Printing Preferences or Print dialog.
Notes:
•
Make sure that the settings match the paper loaded.
•
You can also change the setting on the printer control
panel. Navigate to Settings > Paper > Tray Configuration
> Paper Size/Type.
b
Print the document.
Is the paper curled?
Step 5
a
Remove paper, flip it over, and then reload paper.
b
Print the document.
Is the paper curled?
Step 6
a
Load paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store
paper in its original wrapper until you are ready to use it.
b
Print the document.
Is the paper curled?
Tray linking does not work
Action
Step 1
a
Check if the trays contain the same paper size and paper type.
b
Check if the paper guides are positioned correctly.
c
Print the document.
Do the trays link correctly?
Step 2
a
From the control panel, touch Settings > Paper > Tray
Configuration > Paper Size/Type
b
Set the paper size and paper type to match the paper loaded
in the linked trays.
c
Print the document.
Do the trays link correctly?
Yes No
Go to step 5. The problem is
solved.
Go to step 6. The problem is
solved.
Contact customer The problem is
support. solved.
Yes No
The problem is Go to step 2.
solved.
The problem is Go to step 3.
solved.
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