Canon MX520 series - Back of the Paper Is Smudged

Back of the Paper Is Smudged
•
Check 1: Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
•
Check 2: Perform the Bottom Plate Cleaning to clean the inside of the
machine.
Cleaning the Inside of the Machine (Bottom Plate Cleaning)
Note
When performing borderless printing, duplex printing, or too much printing, the inside may
become stained with ink.