Pitney Bowes SendPro C Auto Operator's Manual page 71

Printing on envelopes
1. Check the level of sealing solution by checking the sight window on the front of the feeder deck.
2. Place the envelopes with the flap side facing down and the top edge against the rear wall.
3. Make sure the seal/no seal lever is set to the seal position (all the way to the left) as shown here.
4. Place the envelopes on the feed deck and tap the Start button on the Print on Envelopes screen.
Pitney Bowes Operator Guide November 2019 71