This is a symptom of dried nozzles on your printhead. Oftentimes, your printhead problems are due to dried nozzles more than they are to circuitry failure. Try printing a nozzle check from your printer software, which usually shows a pattern of lines. If a nozzle is dried, the page will be blank where the lines should have been.
Dried nozzles can be caused by several things, including a poorly sealed ink cartridge, or lack of use (letting the printer sit for a few weeks without using).
It is possible to try to revive the dried nozzles yourself.
Here is a link to an amazing YouTube video that describes exactly how to remove and clean your printhead:
Click here for linkIf neither of these work, the problem could caused by a gunky parking station. The parking station is the place where the print head “rests” when it is not printing. Usually it’s on the right side of the printer (looking at the printer from the front). The parking station has rubber seals that are supposed to surround the printhead when it’s parked. These seals have two purposes:
Some printers also have rubber wiper blades that move across the bottom of the printhead to remove accumulated ink. All these rubber pieces get “gunked” up over time with condensed ink. This prevents a tight seal, allowing the head to dry out. The good news: the rubber can be cleaned!
(Note: we will not be responsible for any damage to property or persons which result from these instructions.)
Print heads are not returnable.
There is a 90 day warranty on Canon printheads.