Brother HL-1040 User Manual page 18

USER'S GUIDE
Envelopes
2-4
The following types of envelopes are not recommended for use.

Damaged, curled, wrinkled, or irregularly shaped envelopes

Extremely shiny or highly textured envelopes

Envelopes with clasps

Envelopes with self-adhesive closures

Envelopes of baggy construction

Envelopes not sharply creased

Embossed envelopes

Envelopes already printed by a laser printer

Envelopes pre-printed on the inside

Envelopes that cannot be arranged uniformly when placed in a pile
Fig. 2-2 Envelopes
Printable Area The figure below shows the physically printable area.
(Except 9"x12" envelope)
Unprintable area
Approximately 4 mm(0.16 inch) for any sizes of paper
Fig. 2-3 Printable Area