Avoiding envelope sealing issues on the SendPro C, SendPro+

Prevent sealing issues by having adequate sealant in the moistener tank, placing the envelope correctly on the feed deck, and maintaining the wick or brush in the moistener.
Products affected: SendPro® C, SendPro®+ (2H20, R2H20, R2H20M, R1H20C, 1H20C, R1H20CM, 7H20C, R7H20C, R7H20CM)
Prevent sealing issues by:
  • Having enough sealant in the moistener tank.
  • Placing the envelope correctly on the feed deck.
  • Maintaining the wick or brush in the moistener.
  1. Check the level of sealant in the moistener tank. Add more if required.
    Moistener tank and fill hole
  2. Slide the envelope flap under the edge of the feed deck when inserting an envelope. Otherwise, the moistener cannot wet the flap.
  3. If the moistener tank is full, and your envelopes are still not sealing correctly, clean your moistener brush and wick.
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UPDATED: 31 May 2023