Dell 3335dn Fuser Replacement Instructions

 

Dell 3335dn Fuser Replacement Instructions 40X5344, 331-9950, N821D, WVP0X

Below you will find the Dell 3335dn Fuser Replacement Instructions. I don’t really have a lot to say here. Not one of your easier jobs. Good thing these fusers tend to hold up really well and rarely need replaced. After the article you will find some links to new machines. Might be something to think about. Although, I will say, these machines hold up pretty good compared to some newer models.


Dell 3335dn – Fuser 40X5344, 331-9950, N821D, WVP0X 110-127V

Dell 3335dn Left side cover removal
Note:
• Leave the front door closed when removing the left side cover.
• Make sure that the fuser cables are out of the way when removing the left side cover.
1. Remove the paper tray.
2. Remove the screw from the rear left side of the printer.
3. Remove the screw, and press the two latches on the bottom of the left side cover

Dell-3335dn-left-cover-removal

Dell 3335dn Right side cover assembly removal
Note: Leave the front cover closed when removing the right side cover assembly.
1. Remove the one screw from behind the paper tray.
2. Remove the screw from the bottom right side of the printer.
3. Press the latches.
4. Rotate the right side cover assembly out, and remove.

Dell-3335dn-right-cover-removal

Dell 3335dn Rear door and rear cover removal
1. Open the rear door.
2. Pull the rear door up at an angle, disconnect the door from the notch, and remove.
3. Remove the two screws from the top of the rear cover.
4. Tilt the rear cover, and remove.

Dell-3335dn-rear-cover-removal

Dell 3335dn Top cover assembly removal
1. Open the front access door.
2. Remove the left side cover.
3. Remove the right side cover.
4. Remove the rear door and rear cover.
5. Remove the two screws from the left side of the printer.
6. Remove the two screws from the right side of the printer.
7. Lift the top cover, and remove.
Note:
• Be sure to lift the top cover assembly from the front to remove.
• During reinstallation, be sure the exit guide and the paper bin align correctly. A mismatch can cause paper
jams.

Dell-3335dn-top-cover-removal

Dell 3335dn Rear exit guide assembly with sensor and reversing solenoid removal
1. Remove the top cover.
2. Remove the rear door and rear cover.
3. Disconnect the narrow media sensor cable and the reversing solenoid cable.
4. Remove the six screws from the rear exit guide assembly.
5. Remove the solenoid cable through the opening.
6. Remove the narrow media sensor cable through the opening.
7. Remove the rear exit guide assembly.
Note: Be careful to not damage the gears during the rear exit guide assembly removal and reinstallation.

Dell-3335dn-rear-exit-guide-asy-removal

Dell 3335dn Fuser Replacement Procedure
1. Remove the rear exit guide.
2. Remove the two screws.
3. Partially pull the fuser forward for better access.
4. Push in on the cable connector cover, and remove.
5. Disconnect the AC cable.
6. Disconnect the thermistor cable.
7. Disconnect the exit sensor cable from the controller board.
8. Remove the fuser.
Note:
• Be careful to not damage the gears during the fuser installation.
• Be sure to reinstall the AC cable during the fuser installation.

Dell 3335dn Fuser Replacement

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