Oki B721 Maintenance Manual

Oki Data CONFIDENTIAL
45487001TH Rev.1
6-47 /
6. Troubleshooting procedure
Upper cover
(6) Open the upper cover of the duplex unit and check for jammed paper in the duplex
unit. If jammed paper remains, pull it out. Then, close the upper cover.
(7) Return the duplex unit to the printer.
(8) Close the front cover.
(5) Pull out the duplex unit by holding the grips on its both sides.
Grip (blue)
Duplex unit
Grip (blue)

Oki B721 Specifications

General

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