P.S.S.S. How many people are having the same issue with this TR4520?! It's all over the internet. All of us have been made miserable because of this terrible product.
P.S. I'd also cleaned the nozzles and the bottom of the cartridges, all four of them! So-o-o-o disappointing, Cannon. We have lives to live, no time for this - a complete waste of time.
Me also, same issue. I've tried everything - tried 2 sets of cartridges, one genuine and other aftermarket; installed latest software (drivers and firmware); re-set the printer; everything. Canon has lost me as a customer. You will lose market sha...
