hi
i have canon pixma ip4940 printer.at the moment its ink tank is full.i tried canon service tool v1.074 and v2000 but these are not supporting ip4940.i surf on internet hours but i found only this that service tool v3400 on http://www.2manuals.com/product_info.php?products_id=1445 but it is not free.can you please help me i really need service tool for canon ip4940.
thanks and regard