You can select the paper size for received faxes. The paper size you select should match what is loaded in your main tray. Faxes can be printed on Letter, A4, or Legal paper only.
Note
If an incorrect paper size is loaded in the main tray when you receive a fax, the fax does not print and an error message appears on the display. Load Letter, A4, or Legal paper, and then press OK to print the fax.
To set the paper size for received faxes from the printer control panel
From the Home screen on the printer display, press the Up and Down buttons to select Fax, and then press OK.
Select Settings.
Select Fax Paper Size, and then select an option.