Oki B721dn

B721DN Right Side Paper Tray Guide
Replacement
The symptoms are constant paper jams or the paper tray will not lock in place or will pop out.
If you have to replace the Right Side Paper Tray Guide due to breakage, you should order Oki Data Part
Number: 45373501, which is the entire right side frame assembly as shown below:
Rather than removing and replace the entire right side frame, you can remove the Right Side Paper Tray
Guide by removing the 2 screws highlighted above and performing the procedure on the next pages for
replacement of the right side paper tray guide on a customer’s machine.
Screws are indicated by Red callouts
Tabs are indicated by Blue callouts
Cables / Connectors are indicated by Green callouts
NOTE:

Oki B721dn Specifications

General

Print Resolution	1200 x 1200 dpi
Monthly Duty Cycle	100, 000 pages
Duplex Printing	Yes
Processor	400 MHz
Operating System Compatibility	Windows, Mac, Linux
Print Technology	Laser
Printer Type	Laser
Connectivity	USB, Ethernet

Summary

B721 DN Right Side Paper Tray Guide Replacement

Initial Preparation and Outer Cover Removal

Prepare the printer by disconnecting power and removing components, then remove outer covers.

Accessing Right Side Cover Tabs

Open the rear paper path door and release multiple tabs on the right side cover.

Removing Side Cover and Metal Shield

Remove the right side cover and metal shield by unscrewing and lifting over pins.

Disconnecting Power Supply and Cables

Remove the Low Voltage Power Supply and unplug various ribbon cables and wire connectors.

Removing Frame Bracket and Tray Guide

Remove front hinge assembly, connector, frame bracket, and the right side cassette tray guide.

Reassembly Instructions

Reassemble the printer by following the disassembly guide in reverse order.