Sealing envelopes and printing postage on the SendPro C Auto

Use the moistener on your device to seal your envelopes before you print postage.
Products affected: SendPro® C Auto (9H00)

Use the moistener on your device to seal your envelopes before you print postage.

  1. Check the level of sealing solution by checking the sight window on the front of the feeder deck.
    Sealing solution sight window
  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).
    Envelope seal lever
  4. Place the envelopes on the feed deck. Tap Start on the Print on Envelopes app.
If the moistener tank is full and your envelopes do not seal correctly, clean or replace the moistener brush and wick.

Related topics

UPDATED: March 17, 2022

Contact Us
Live Chat
Available • Closes at 8pm ET
Sales team hours are 8am-6pm ET
Live Chat
Live Chat is currently unavailable.
Chat is available Mon-Fri, 8am-8pm ET
Create a case
Submit support requests (Sign in required)