Canon MX475 - Back of the Paper Is Smudged

Back of the Paper Is Smudged
Check1
Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2
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.
764