HP Officejet Pro Model 7740

Joined
Dec 15, 2025
Messages
1
Wanting to know if it is possible to change the settings so it will print with only the black cartridge installed. I never print in color and its pain when I run out of one of the colors and it stops printing.

Thanks in advance
 
Joined
Dec 20, 2025
Messages
1

Enable Black-Only or Grayscale​


  1. Open Control Panel → Devices & Printers
  2. Right-click your printer → Printing Preferences
  3. Look for:
    • Grayscale
    • Black Ink Only
    • Print in Black
  4. Apply & save

⚠️ This will NOT work if the printer firmware blocks missing cartridges.
 

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