Hello janine,
The printer requires both ink cartridges to be in the printer in order to print, even if one of the ink cartridges is low or out of ink. You can continue using the printer under a low ink condition by disabling the ink level detection function of the printer. To do this, press and hold down the RESUME/CANCEL button on the printer for at least 7 seconds, then release it. Once you replace the low/out of ink cartridge with a Canon genuine ink cartridge, the ink level detection function of the printer will be re-enabled.
You can also set the printer to print using only the black ink cartridge from your computer. If you would like instruction on how to do this, please reply with what operating system is on your computer.
If this is a time-sensitive matter, additional support options are available at Contact Us.
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