Back Of Paper Is Smudged - Canon Pixma MG6821 Online Manual

Back of Paper Is Smudged

Check paper and print quality settings.
Check1
Print Results Are Unsatisfactory
Perform bottom plate cleaning to clean inside of machine.
Check2
Cleaning the Inside of the Machine (Bottom Plate Cleaning)
Note
• During borderless printing, duplex printing, or too much printing, ink may stain the inside of the machine.
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