Toner Stains like Roller Marks (after Continuous Large Volume Printing on Coated Paper)

This occurs when granular toner stains adhere to the roller of the switchback unit during paper delivery and the stains adhere to the print image.

When printing on coated paper with a thickness of Paper Weight 2

Clean the paper exit roller and relay exit roller.

For details, see Cleaning the Rollers in the Paper Exit.