Errors 3780 or 1680 on the DM300C-DM475

Products affected: DM300C™, DM400C™, DM450C™, DM475™


Your meter displays error 3780 or error 1680.


Your meter has an internal software error.


Follow these steps to restart your meter and download any available software updates:

  1. Unplug the power cord.
  2. Wait one minute.
  3. Plug the power cord back in, ensuring that the cord plugs directly into a wall outlet.
  4. Press Refill Postage.
  5. Select Check PBP Balance.
  6. Select Continue.
  7. Wait for your update to complete. Do not shut down, power off, or unplug your meter during this process.
  8. Select Return Home.

Important: Your meter's display may not follow the rest of the steps exactly, but your rates continue to update.

If you need further assistance, please use the Contact Us options below. Have your model and serial number ready.

UPDATED: January 29, 2021