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Chapter – General Information 13
Preprinted forms and letterhead
To avoid multiple-feed and jamming problems when using preprinted
forms, embossed paper, and letterhead paper, observe the following
guidelines:
l Avoid using low-temperature inks (the kind used with some types
of thermography).
l Use forms and letterhead paper printed by offset lithography or
engraving.
l Print forms with heat-resistant inks that will not melt, vaporize, or
release undesirable emissions when heated to 205° C (401° F)
for 0.1 second (0.2 second for HP Color LaserJet printers).
Typically, oxidation-set or oil-based inks meet this requirement.
l When the form is preprinted, be careful not to change the
moisture content of the paper, and do not use materials that
change the paper’s electrical or handling properties. Seal the
forms in moisture-proof wrap to prevent moisture changes during
storage.
l Avoid processing preprinted forms with a finish or coating.
l Avoid using heavily embossed or raised-letterhead papers.
l Avoid papers with heavily textured surfaces.
l Avoid using offset powders or other materials to prevent printed
forms from sticking together.
Embossed and debossed paper
Avoid heavily embossed or debossed papers because multiple sheet
feeding can occur from nesting. Do not print closer than 15 mm
(0.591 in) from the embossment to prevent poor print quality and
fusing (toner adhesion). The fuser can tend to iron flat the embossed
or debossed images.