Brother HL-3400CN Series Printer User Manual


 
CHAPTER 3 BEFORE WORKING WITH THE PRINTER
3–15
Before loading envelopes in the cassette, check the following:
Envelopes should have a lengthwise sealing flap.
The sealing flaps should be crisply and correctly folded (irregularly
cut or folded envelopes may cause paper jams).
Envelopes should consist of two layers of paper in the following
marked area.
Fig. 3-4 Envelopes
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.
Feeding Direction