Hello. Welcome to Just Answer. Please allow me to assist you with your question today. I am John, I will do my very best to help you solve this problem.
If you are using genuine Canon cartridges but you still get the issue, then please try with a printhead cleaner like this one ====> Print Head Cleaning kit for HP and Canon Printers: 5oz 150ml <=== Click Here
This should fix your issue, otherwise the printhead is defective. In that case if the printer is still in warranty you can get a new one for free. If the printer is out of warranty and the printhead cleaner doesn't fix the issue (very unlikely) then I recommend to buy a new printer, because a new printhead can be very expensive, usually more expensive than a new printer.
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