"Mail piece too long" message on the DM100i-DM200i, DM110i-DM220i and DM300-DM475

Learn how to resolve a "Mail piece too long" message on the DM100i, DM150i, DM200i (P720), DM110i, DM160i, DM220i (PR20) and DM300-DM475.
Products affected: DM110i™, DM160i™, DM220i™ (PR20); DM300c™, DM400c™, DM475™ (G920); DM300M™, DM400M™, DM475M™ (G922)


The franking machine displays the Mail piece too long message when feeding mail.


The franking machine detects a sensor fault.


  1. Turn the franking machine off by removing the power lead from the rear of the franking machine.
  2. Use a compressed air duster to to spray along the mail path. This clears away any dust or debris that has built up over time.
  3. Wait 30 seconds.
  4. Replace the power lead.
  5. Wait for the franking machine to initialise.
Use the Contact Us options below if you need further assistance. Have your model and serial number ready.

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UPDATED: 14 August 2021

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