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I have a PIXMA PRO9000 MK II printer with a blinking yellow light so the ink cartridge carrier will not center allowing removal of the cartridges. How can I remove the cartridges? 

I have a Pixma Pro9000 Mark II, I would like to print a panorama shot as a mural across several portrait oriented 13x19 photo pages, preferably with a small amount of image overlap. The only way I can see to do it with the Canon software I have -- Ea...