Lexmark MX721 User Manual page 257

Troubleshooting
Paper curl
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 paper loaded is supported.
Note: If paper is not supported, then load a supported paper.
b
Print the document.
Is the paper curled?
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.
Is the paper curled?
Step 3
a
Adjust the guides in the tray to the correct position for the paper
loaded.
b
Print the document.
Is the paper curled?
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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