Brother HL-3450CN Printer User Manual


 
CHAPTER 3 BEFORE WORKING WITH THE PRINTER
3-14
Before loading envelopes in the cassette, check the following:
Envelopes should have a lengthwise sealing flap.
The sealing flaps should be folded crisply and correctly (irregularly cut
or folded envelopes may cause paper jams).
Envelopes should consist of two layers of paper in the following
marked area.
Fig. 3-6
Envelope joints that are sealed by the manufacturer should be secure.
All sides should be properly folded without any wrinkles or creases.
Print quality may vary between different style envelopes. It is a good
idea to test the envelopes you wish to use prior to purchasing large
quantities.