How to enable CUPs web interface

CUPS is a network printing service used by Mac computers. It allows you to setup your printers on a network, and customise options such as cash drawer setup.

You may need to enable this before you can connect a thermal receipt printer or cash drawer.

  1. First off, go to http://localhost:631/printers/.
  2. A screen will appear saying 'Web Interface is Disabled': 

  3. Select and copy 'cupsctl WebInterface=yes'
  4. Next, click the magnifying glass in the top right hand corner of your screen and search for 'Terminal':
  5. Once in terminal, paste in 'cupsctl WebInterface=yes' and click enter: 

  6. Now you should be able to go to http://localhost:631/printers/ and see your installed printers:
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