"Mailpiece too long" message on the DM110i, DM160i and DM220i and DM300M, DM400M and DM475

Clean along the path mail takes to resolve the mailpiece too long message.
Products affected: DM110i™, DM160i™, DM220i™ (PR20), DM300M™, DM400M™, DM475™ (G922, RG9224M, SG922, RG9224)


The message "Mailpiece too long" appears when feeding mail.


The franking machine detects a sensor fault.


  1. Remove the power lead from the rear of the franking machine.
  2. Use a compressed air duster to spray along the mail path. This clears away any dust or debris that has built up over time. Order a cleaning kit from Pitney Bowes.
  3. Wait 30 seconds.
  4. Replace the power lead.
  5. Wait for the franking machine to initialise.

UPDATED: 15 June 2023