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Canon mf743 display Load Paper LTR/Plain 1 anytime I print

Can not set my Canon mf743 to print automatically LTR/Plain 3 or any other settings. I have to touch the screen, select the LTR/Plain 3 to start printing.

Product Expert
Product Expert

Hello George337,


That message will usually come up when the paper settings on the computer do not match the paper settings on the printer or if your computer is not using the correct driver for the printer. In this situation, I would need some additional information to assist further. If you reply to this message with the information below, we can assist.


  1. What size and type of paper are you printing on?
  2. What version of the Mac or Windows operating system are you using on your computer?
  3. What does it show for the size and type of paper in the print window on your computer?

i have this same problem on my brand new machine, cannot figure it out

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