How to resolve a missing attached scale mode on a DM400, DM500 and more

Products affected: DM400™, DM500™, DM550™, DM800™, DM800i™, DM900™, DM1000™, and DM1100™


There is no option for attached scale when pressing mode.


The meter is not detecting the scale.


  1. Power mailing system off with the power switch, located on the left side of the equipment; wait for the display to turn off
    • If the scale is a MP30 or MP49 platform scale:
      1. Check cable connections to scale and USB port on mailing system
      2. Unplug and plug back in to ensure connections are tight
      3. You may also try plugging the cable into another available USB port on the machine
    • If the scale is an integrated tray on a DM500 or DM800i:
      1. Remove tray and reseat it to ensure it is in proper position
  2. Push the left and right side of the mailing machine together to ensure tight fit (DM500, DM550 and DM800i only)
  3. Power mailing system on

If your issue is not resolved, contact customer support from 8 am to 8 pm Eastern Time. Have your model number ready.

UPDATED: October 02, 2015