This guide will show you how to detach the motherboard from the printer, in order to replace or repair it.

  1. Remove the following two Phillips screws:
    • Remove the following two Phillips screws:

      • Two 7.85 mm Phillips #1 screws

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  2. Pull the back cover off by lifting up on the cover.
    • Pull the back cover off by lifting up on the cover.

      • You may need to pull firmly as it requires quite a bit of force.

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    • Open the front tray.

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    • Lift the scanner compartment.

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    • After opening up the scanner compartment, make sure the blue lever locks into place, keeping the compartment open.

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    • Push the blue lever back while twisting it clockwise in order to remove the lever from its slot.

    • After removing the lever, close the scanner compartment and the scanner cover.

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    • Use the plastic opening tool to pry open the side cover.

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    • Flip the printer so that you are facing the underside.

    • Use the plastic opening tool to remove the corner of the side panel from the pin.

      • Plastic pin.

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    • Using the plastic opening tool, remove the side panel by loosening it from the bottom of the printer.

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    • Gently pull the 6 ribbon wires out.

    • Gently pull the 4 molded cable assemblies out.

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    • Unscrew the five silver Phillips screws that secure the motherboard:

      • Five 3.65mm Phillips #1 screws.

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    • Once all wires and screws have been removed, gently take the motherboard out of the printer.

    • These wires are soldered onto the bottom of the PCB and must be de-soldered in order to completely detach the motherboard from the printer.

    • If you do not know how to operate a soldering iron, do not attempt to finish this guide.

    • De-solder these eight solder joints on the bottom of the motherboard.

    • When reinstalling the motherboard back into the printer, solder the highlighted joints (in orange markers in the second photo) back onto the board.

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Congratulations on successfully removing the motherboard from the printer! To reassemble the motherboard, follow these instructions in reverse order.

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