Method 1: (Resetting printer)
Turn on your printer Hold Stop button for 5 to 6 seconds to reboot the printer. Now, it is ready for use.
Method 2: (Reinstalling and Clearing Blockage)
Open the lid cover from the rare top of the canon printer. You will see ink Cartridge installed Press the two click-locks located at the sides of the cartridge holder, and the ink cartridge will pop-out to be taken off. Now, Check the cartridge if it is having any sort of dust particles, or have dried ink in its opening that could be causing the blockage. Clean cartridges by tissue and re-install the ink cartridge in its holder. If the error still occurs then you need to replace the ink cartridge.
Method 3: (Replacing Ink Cartridge)
Buy an Ink cartridge of your Canon printer from a local electronics retailer. Re-install the cartridge by following Method1.