Oki MB472w Maintenance Manual page 195

5. REGULAR MAINTENANCE
Oki Data CONFIDENTIAL
(4) Wipe two paper feed rollers in the tray with a soft cloth that has been
slightly moistened with water and then squeezed well.
Note! Use water only.
Retard roller
(5) Push the tray back into the MFP.
5-5
45762101TH Rev.1