Back of the Paper Is Smudged
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Check1 Did you confirm the paper and print quality settings?
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Check2 Is the paper feed roller dirty?
Clean the paper feed roller.
Cleaning the Paper Feed Roller
Note
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Cleaning the paper feed roller will wear the roller, so perform this procedure only when necessary.
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Check3 Perform the Bottom Plate Cleaning to clean the inside of the machine.
Cleaning the Inside of the Machine (Bottom Plate Cleaning)
Note
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When performing borderless printing, duplex printing, or too much printing, the inside may become stained with ink.
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