Thank you for your suggestion. Turns out it wasn't a software issue, but you got me thinking about the source of the problem being something other than the printer. I eventually found and unplugged an old electricity-usage monitor I'd recently insert...
From a Pixma Pro-100. Have switched out print heads and tried 2 different Pro-100s. Same result when printing color. Printed is filling up the designated crop (11x14 or 5x7) but appears to be squashing the image and filling up the remaining space wit...
