My printer has a stuck blue nozzle and I am trying to clean it. Of the
blue, yellow, red, and black cartridges, I want to only print from the
blue. I tried to configure a blue-255 colour and the rest 0, however
the printed image still uses a bit from the red cartridge as the
choice of colours differ from those in Gimp. What colour could I
configure, that would translate to blue only from the printer?
Thanks in advance.
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