Canon LBP-810 - Manual (Page 39)

Paper Handling
Chapter 2 Paper Handling 23
Not Acceptable
If the flap of any of the envelopes overlaps the edges of other envelopes in
the stack, like those in the examples below, paper jams or misfeeds will
occur.
Flaps overlapping
Top flap overlaps the envelopes underneath
Flaps overlapping the envelopes underneath
LBP810-01.book Page 23 Sunday, March 11, 2001 12:26 AM