Preprinted Paper
Preprinted paper has ink applied before the printer prints on it. Be sure that ink
used in preprinting is non-volatile and contains drying or resin oils. Ink must not
transfer when fusing temperatures are 200°C (392°F) and pressures are 450kPA
(65 lbs/in2) for several seconds. IBM recommends the following inks:
Cured by ultraviolet
Cured by heat (Tinplate ink)
Dried by oxidative polymerization
The shaded area in Figure 4 should not contain printing. Printing in this area can
cause false double-sheet feeds.
Figure 4. Preprinted Sheet
Envelopes
For optimum printing results, use either new 90 g/mò (24 lb) sulfite (100%)
chemical wood pulp) or 25% cotton bond envelopes. Before ordering large
quantities of your envelopes, run several small jobs to make sure that they work
properly. This includes envelopes with rough or highly textured surfaces, such as
laid finishes.
The laser-printing process heats envelopes to a temperature of 175°C (350°F).
Use only envelopes that are able to withstand these temperatures without sealing,
excessive curling, wrinkling, or releasing hazardous emissions. Check with the
supplier of the envelopes you plan to use to determine if they are usable with laser
printers.
For optimum performance and to prevent paper jams, do not use envelopes that
34 3130 Advanced Function Printer: Introduction and Planning Guide