Error Code: 1964, How to resolve on the DM400, DM500 and more

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


The meter displays error code 1964 and will not print.


The printer home position is not detected.


The ink tube may be caught around the print head.
  1. Open the top cover where the ink cartridge holder and print head are located
  2. Move the ink tubes away from the print head
  3. Reboot the machine
Here are the steps to follow for a safe restart:
  1. Turn the power off with the power switch, located on the left side of the equipment; wait for the display to turn off
  2. Wait one minute then turn the power switch back on
If your issue is not resolved, contact customer support from 8 am to 8 pm Eastern Time. Have your model number ready.

UPDATED: May 18, 2015