Looks like printer is really dead. It will cost more to fix it than to buy a new one.
I am little angry at myself, because it is first time I bought non Canon inks and I have to buy new printer now.
Next time I will be more careful.
Thank you all for answers.
Today I tried to print sth, and this is what came out:
http://i.imgur.com/qlYxVdF.jpg
When I printed nozzle check pattern, it wasn't even close to what it supposed to be:
http://i.imgur.com/hXIOPqW.jpg
Head alignment print
http://i.imgur.com/r1O66ZM.jpg?1
And now it's telling me "This type of...