The weight is stuck at 1.0 ounce on the SendPro Mailstation

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Products affected: SendPro® Mailstation


The device displays the default weight of 1.0 oz when you place a heavier letter on the scale.


Internal error


Try these solutions in order:

Zero the scale

  1. Remove any items from the scale.
  2. Tap Weight.
  3. Tap Zero Scale.
  1. Tap the back arrow
  2. Weigh the mail piece again

If the issue is not resolved:

Try connecting the scale to a different USB port


If the issue is not resolved:

Restart the device

  1. Hold the power button until the screen displays "Shutting Down."
  2. Once off wait 5 seconds.
  3. Tap the power button.

If the issue is not resolved:

Hard-reboot the device

  1. Disconnect the power cord from the back of the machine.
  2. Wait ten seconds.
  3. Plug the cord back in firmly.
  4. Tap the power button

If you need further assistance, please use the Contact Us options below.

UPDATED: April 29, 2021