USPS Update for DM300c, DM400c, DM450c, DM475

Products affected: DM300c™, DM400c™, DM450c™, DM475™ (G900, G905)

1. Get update instructions by selecting your machine’s software version below. How to check your software version.

2. Once you've performed the update, it's a good idea to check that your rates were installed successfully by using the Confirm Update tool on the instruction pages.

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