OK I answered my own dumb question - but the question is dumb only because I'd argue the implementation for how a nozzle check pattern works is dumb ; ). If you're completely missing PG-BK in your check pattern, and you've replaced your ink - your he...
Did you ever figure this one out? One thing i noticed is my nozzle check pattern has 2 Cyan's, 2 Magenta's, 1 Yellow, and 1 Black... but the MG6820 has 2 Black inks: pigment and dye. So i'm suspecting that whatever black it's trying to use has the...
