Can I use tri colour only on hp mobile officejet 100 printer

[Roz52]

Can I use a tri colour cartridge alone on my hp mobile 100

[Hawks_Eye]

Hi @Roz52 

Welcome to the HP Support Community! 

Thanks for posting your query! We're here to help you get back up and running.

Yes, printers that use two cartridges (one black, one tri-color) can print if one cartridge is empty.

To continue printing, remove the empty cartridge from the printer. Select OK if a Single-cartridge mode message displays.

If you are using the black cartridge, prints are in black and white (grayscale). If using the color cartridge, colors print normally but black prints lighter than usual. 

You can continue to print until the print quality becomes unacceptable.

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Take care, and have an amazing day!

Regards, 

Hawks_Eye