If your canon printer not printing color, it could be due to low ink levels, clogged printheads, or incorrect printer settings. Make sure the color cartridges are full and properly installed, clean the printhead if needed, and check that the printer is set to color mode in the settings. https://www.canonprintersupportpro.us/blog/canon-printer-not-printing-color-how-do-i-fix-it/