Actually we may have figured it out. We were misinterpreting the "Rear Tray" and the "Manual Tray." We assumed the "Rear Tray" was the tray that was all the way in the... rear. And the Manual must have been the top loading tray. But the top loading t...
I'm having this issue too. I've had no problem printing letter size, but when trying to print 13x19 (From my MacBook Pro, Adobe Illustrator) it gives me "The paper tray needs to be filled" dialogue. In fact, it didn't even give me the option to sel...