This is a problem of how the printer is supported by its driver, or even
of the printer's firmware.
HP has two classes of printers: Cheaper ones where the driver needs to
control everything and more expensive ones where the driver sends an RGB
image and the printer does automatically what it thinks to be the best.
In the former case check whether the option "Quality" gives you choices
for using only the black cartridge.
If such choices are not there, you have perhaps one of the more
intelligent HPs. Here you cannot influence the printer by software which
cartridges to use. At least some of them print only with the black
cartridge if no color cartridge is installed. Try this out.
** Changed in: hplip (Ubuntu)
Sourcepackagename: cupsys => hplip
** Also affects: hplip
Importance: Undecided
Status: New
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"Print black" does not use black ink cartridge
https://bugs.launchpad.net/bugs/235399
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