Do not use the following paper types. Using these types of paper can cause paper feed problems and smears on the printouts.
Papers that are wavy
Papers that are torn or cut
Papers that are folded
Papers that are damp
Papers that are too thick or too thin
Papers that have stickers
Do not use the following envelopes. Using these types of envelope causes paper jams and smears on the printout.
Envelopes that are curled or folded
Envelopes with adhesive surfaces on the flaps or window envelopes
Envelopes that are too thin
They may curl during printing.