How do I check the ink levels of my HP printer on my Mac?

1. Click the Apple logo in the top-left corner of your screen.
2. Select ‘System Preferences.’
3. Click ‘Printers & Scanners.’ 
4. Choose your printer.
5. Select ‘Options & Supplies,’ then ‘Supply Levels.’

Castle Ink hopes this provides insight on the ink levels of your HP printer.