Brother HL-1800 Printer User Manual


 
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Types of envelope to avoid
Do not use envelopes:
that are damaged, curled, wrinkled, or irregularly shaped;
that are extremely shiny or highly textured;
with clasps, snaps or tie strings;
with self-adhesive closures;
that are of baggy construction;
that are not sharply creased;
that are embossed (that have raised writing on them);
that were previously printed by a laser printer;
that are pre-printed on the inside;
that cannot be arranged uniformly when put in a pile;
that are made of paper that weighs more than the paper-weight
specifications for the printer;
that have been badly made, with edges that are not straight or
consistently square; or
with transparent windows, holes, cutouts or perforations.
Fig. 1-17
If you use any of the types of envelope listed above, they may damage
your printer. This damage is not covered under any warranty or service
agreement.