"Invalid Account Number" message on the DM50-DM60

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Products affected: DM50™, DM55™, DM60™ (K721, K722)


"Invalid Account Number" message displays when installing or refilling your franking machine.


You may have an issue with your Pitney Bowes account.



You may need to resolve an issue with your Pitney Bowes account if "Invalid Account Number" displays when you install or refill your franking machine.

Use the Contact Us options below to contact Technical Support for further assistance.

UPDATED: 22 June 2021