Lexmark MX431
* One‑sided paper labels are supported for occasional use of less than 20 pages per month. Vinyl, pharmacy, or two‑sided labels are not supported.
Plain paper
Card stock
X
Recycled
Paper labels*
Bond
Letterhead
Preprinted
Colored Paper
Light Paper
Heavy Paper
Rough/Cotton
Envelope
Rough envelope
Here are information on the types of flash drives supported by the printer and the list of file types printed from the USB.
Check the type of fax that is available for your printer.