Oki Data CONFIDENTIAL5. Periodic Maintenance5.1 Cleaning .......................................................................................5-25.2 Cleaning of LED lens array ..........................................................5-45.3 Cleaning the Feed rollers and the Retard roller ............................5-55.4 Cleaning the MPT Feed rollers .....................................................5-55.5 Cleaning Rollers in the ADF .........................................................5-55.6 Cleaning the Document Glass ......................................................5-5