How do I tell if inkjet printers will work with only black ink?

I'm thinking of buying one but they have a reputation (perhaps I'm misinformed though) for stopping you from printing in black and white if your colored ink is low/missing. I have no intention of printing in color and just want the cheapest option available to print something in black and white every once... show more I'm thinking of buying one but they have a reputation (perhaps I'm misinformed though) for stopping you from printing in black and white if your colored ink is low/missing. I have no intention of printing in color and just want the cheapest option available to print something in black and white every once in a while. How do I know, before buying it and trying it out, whether it will work with just a black ink cartridge installed?
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