I have a canon pixma mx860 all in one multi function printer that I am trying to use in order to scan a picture to my memory card. I am needing to replace one of the ink cartridges. Every time I turn on the printer, I always get an out of ink message. All I want to do is scan a picture to my memory card. How do I get past the error ink message? I hit ok, nothing happens. Can I not scan with no ink? I would think I could