TYPES OF PAPER AND ENVELOPES
Store paper and envelopes horizontally and flatly, away from humidity, direct sunlight and heat sources.
Use smooth paper, such as copier or laser printer paper with a Sheffield (smoothness) class of 250 or lower. If in doubt, ask your card provider for information.
Use paper and envelopes appropriate for use with laser printers.
The use of laid or textured paper can seriously compromise the life of the image drum.
Do not use paper that is too smooth or shiny.
Do not use letterhead paper with accentuated reliefs.
Do not use specially treated paper, such as carbon paper, carbon-free paper, thermal paper and carbonless paper.
Avoid using paper with perforations, nicks, and torn edges.
Do not use envelopes with windows or metal clasps.
Do not use envelopes with self-adhesive flaps.
Avoid using damaged or folded envelopes.