Oki B721 Maintenance Manual

45487001TH Rev.1
5-6 /
Oki Data CONFIDENTIAL
5. Cleaning
5.3 Paper feed roller cleaning
If paper jams occur frequently, clean the paper feed rollers.
Note! Use a soft cloth to clean the paper feed rollers so as not to damage their
surfaces.
For Trays 1/2/3/4
Note! This procedure images use tray 1 as an example, but the same procedure
applies to trays 2/3/4.
(1) Pull out the paper tray.
(2) Wipe the two paper feed rollers inside the printer with a wet cloth that has been
wrung out well.
Paper feed roller
(3) Wipe the retard roller on the tray with a wet cloth that has been wrung out well.
(4) Return the paper tray to the printer.
Retard roller

Oki B721 Specifications

General

Print Technology	LED
Resolution	1200 x 1200 dpi
Processor	533 MHz
Memory	256 MB
Connectivity	USB, Ethernet
Duplex Printing	Standard