background image

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: 

Summary of Contents for B721dn

Page 1: ...hich 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 highlig...

Page 2: ...he front and top cover and remove the Drum and Toner assembly 2 Remove 3 screws from the upper right side cover 3 Remove 1 screw from the right side lower cover 4 Remove 2 screws from the rear cover 5...

Page 3: ...er Gently release all 3 tabs as described below 2 of them are shown at right 8 The third tab is located above the straight through paper path door 9 At the front of the printer on the right cover ther...

Page 4: ...shield plate to be removed 1 on the top of the shield 2 on the rear of the shield 5 on the face of the shield 12 At the front of the metal shield gently lift the shield over the locator pin There are...

Page 5: ...unplug the Ribbon Cables Green boxes from the printer s logic board and carefully unthread the ribbon cable through the printer 17 Gently unplug the purple 2 wire cable Green box connector from the p...

Page 6: ...n the bottom of the frame 20 Unplug the red 2 wire connector 21 Remove the screw securing the grounding wire from the front tray to the printer chassis and unthread the grounding wire 22 Remove the sc...

Page 7: ...disconnected from the right side cassette tray guide Carefully unthread the wires from the frame to the front cover 26 Close the Top Cover and the Front Cover being careful not to pinch any of the ca...

Page 8: ...et from the right side cassette guide 30 Remove the right side cassette guide 31 Reassemble the printer by following the disassembly guide in reverse CAUTION Rethread the cables in Steps 16 17 20 24 a...

Reviews: