Troubleshooting envelopes failing to open in Relay 2500, 3500, and 4500

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Products affected: Relay™ 2500, Relay™ 3500, Relay™ 4500


Envelopes fail to open.


  • Envelopes loaded incorrectly
  • Poor envelope quality


  • Load envelopes flap side up with the flap feeding last
  • Check the envelopes are not stuck due to excessive dampness
  • Try a new box of envelopes

UPDATED: 30 June 2021