we always print it with the flap open, that sometimes helps
There was no problem with the old printer. The envelope is too width to change orientation. There is no option heavier weight if I choose paper envelope type.
Buy an envelope that is meant to go through a printer
Change the orientation in the tray when you load it
Set the stock for a heavier weight
I installed new printer for customer. We tried to print C5 envelope, but envelope is too crumpled. How to fix that?