Canon imageCLASS MF5750 All-In-One Laser Printer "cassette paper size image class" Questions

...paper and gives us a cassette error message Hi ... If you wish to print using a paper size which is different from the normal one A4, you need to specify the same to the printer else it will not ...

...MF 5770. We have 8.5 x 11 inch paper in the tray. It will not print. It tells me 'Change paper size cassette - lgl. Any help would be appreciated. Thank you. The problem has been resolved. Thank

...PAPER CASSETTE:LTR" message in printers display.. it really annoys me, because i really NEED to print a lot of school associated papers daily... and yes i have the right 64bit win 7 driver... I am ...