Why do the color ink cartridges run out of ink even though I never or rarely print in color?

When selecting grayscale printing in the printer driver, does this use only the black ink or all the ink cartridges to produce the grayscale image?

I replaced my ink cartridge but the LCD is still displaying "Near Empty".

Why does my machine's LCD show "NO CARTRIDGE" even though I have already installed all the ink cartridges?

I replaced my ink cartridge, but the LCD is still displaying "Ink Empty". What can I do?

Why does the LCD on my machine say 'INK EMPTY' when there is still Ink remaining?

I replaced my ink cartridge, but the LCD is still displaying "Ink Empty". What can I do?

Can I print using only the black ink cartridge when the Color cartridges have run out?

Is there any way to reduce Ink consumption?

How do I replace the Ink Cartridge?

Why can't I print when an ink cartridge is empty?