Invalid software error 107 on DM Series franking machines

Learn how to resolve error code Invalid software error 107 on these franking machines: DM50/DM55 (K721), DM60 (K722), DM100i/DM150i/DM200i (P720) DM110i/DM160i/DM220i (PR20) DM300c, DM400c, DM475 (G920, G925) DM300M, DM400M, DM475M (G922)

Products affected: DM50™, DM55™ (K721), DM60™ (K722), DM110i™, DM160i™, DM220i™ (PR20), DM300c™, DM400c™, DM475™ (G920), DM300M™, DM400M™, DM475M™ (G922)

Issue

The franking machine displays error code Invalid software error 107.

Cause

The franking machine has detected a software fault.

Resolution

Turn the franking machine off by removing the power lead from the rear of the franking machine.
Wait 30 seconds.
Replace the power lead and wait for it to initialise.

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UPDATED: 14 August 2021