YSK: Printers don't allow you to print in black and white unless you also have yellow ink. Technology. The "Black and White Print Only - Replace Ink" message means that one or more of your color ink cartridges have reached the end of its life.Try this: Go to Print and a window should pop up. To clear the error, please insert a new color ink cartridge into your PIXMA MX490. If you run out of one of the ink cartridges, your printer will NOT function without it being replaced. It needs that one color to mix in with the other colors. Right click on your printer and select Properties. Enter image description here From the list on the left side, select Printer Options. We deliver the following services while-u-wait: Up to 10 copies of 1-4 originals, collated and stapled; Black or color ink on 8.5" x 11" up to 11" x 17" paper. Cyan, magenta, and yellow.