I've just been shopping for a new printer. As if the problem were not enough in itself there are now no Canon printers sold that use the same ink cartridges (CLI-525/6) so as my existing stock is useless to me I may as well go with a different manafa...
I can add model MG5250 to the list. I guess I must have been lucky that it has taken 5 years to fail. I've cleaned the heads - both the detachable bit and the fixed bit, left for 5 hours - way more than 5 minutes - and still no luck. Guess it's a new...