HP Deskjet 6840 General Device Disassembly

Magnolia and 7 other contributors

Last updated on January 5, 2024

30 - 45 minutes

Moderate

Missing Steps

Slice and Dice

Introduction

Go to step 1

Use this guide to learn how to disassemble your HP Deskjet 6840 printer. You may need to take your printer apart if you're troubleshooting a problem or removing a paper jam.

What you need

Tools

Macro Bit Set (2mm Hex Screwdriver)
Sale price $39.95

Step 1 General Device

HP Deskjet 6840 General Device Disassembly, General Device: step 1, image 1 of 1

Turn the printer so the back of it is facing you.

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Step 2

HP Deskjet 6840 General Device Disassembly: step 2, image 3 of 3

Use two fingers to simultaneously press the two grooves on the back of the printer down and in.
This will release the panel from the printer.
Pull the panel off of the printer.

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Step 3

HP Deskjet 6840 General Device Disassembly: step 3, image 3 of 3

Use a screwdriver to remove each visible screw.
Pull out and remove the rear support structure using two hands.

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Step 4

Carefully remove the shell that encases the internal parts of your printer.
Gently remove the shell from the base of the printer by placing your hands at the corners and firmly lifting the shell until it pops off of the base. Do not pry or bend the shell.
Carefully detach wires that connect the shell to the printer's internal parts.

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Step 5

HP Deskjet 6840 General Device Disassembly: step 5, image 3 of 3

Use a screwdriver to remove the screws from the printer carriage assembly and the green plastic motherboard.
Gently loosen the motherboard from its base, but don't completely pull it out.

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