How to scan on a Canon MG3100 series air printer?

It depends on what you mean by "wont" print. Does it go through the motions and spits out the paper, it is just blank. Or it does nothing?

If it seems to spit out blank paper then run the Canon maintenance program and clean the heads and nozzles, the cartridge jets are possibly blocked or the printing head is. You have checked the Printer is showing that there is ink in the cartridges? If it does nothing you are sure the printer is set as the default?

Is their anything in the print queue? If so delete all and it should work. If the print queue is empty, and the printer is the default then uninstall the software, unplug the printer and remove the USB cable.

Reboot the computer, put in the Canon CD and install, only switch on the printer and connect the cable when instructed. If it still fails after all of this then you may need new cartridges, if already new ones then possibly a new print head as the old one is worn out.

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