I'm reposting this fix option, as it worked for me and I had to scroll down to find it.(My printer started displaying the "Error: No paper in upper tray" notice out of nowhere, and refused to print letter sized documents form my lower tray (which wa...
Thank you for this reply. Simply following these instructions fixed my error notice. I didn't have to change the settings, it was all correct and obviously a glitch in the Canon software (it was printing fine a few hours ago, and the error notice c...
