1. Follow the steps in this How to set up a workstation in Altru to make sure that your workstation is configured correctly with the correct settings
  2. Verify that your printer is added onto the printer list. 
    1. Go to Tickets > Print Setup > Workstations.
    2. Click on your workstation.
    3. On the Printers tab, note the name of your receipt printer.
    4. Go to Tickets > Print Setup > Printer Lists.
    5. Click on your printer list for receipt printers.
    6. Verify that your receipt printer is in this list.
    7. If not, click Edit and select your receipt printer from the dropdown.
    8. Click Save.
  3. If this error message is still happening after following those steps try renaming the workstation and re-adding the workstation into Altru
    1. Click on your start menu and type in rename this computer and click on that option
    2. Click on the change button to change your computer name and click ok.
      • IMPORTANT: Make sure that this computer name is less than 15 characters long!
    3. After the computer's name is changed open up Altru
    4. Click Tickets > workstations > add
    5. Add the name of the workstation and the new machine name
    6. Re-add the printers to the workstation and printer list
  4. Try to print the receipt for a new transaction