Introduction

After completing the Outer Shell Disassembly guide, this process will aid in replacing the HP Photosmart c4780 motherboard with minimal technical requirements.

Pièces

Aucune pièce nécessaire.

  1. Unplug the device from any energy sources.
    • Unplug the device from any energy sources.

    • Lift the top cover of the scanner.

    • Use a plastic prying tool to remove the plastic frame surrounding the glass.

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  2. Carefully pull the frame away from the glass.
    • Carefully pull the frame away from the glass.

    • If it doesn't remove easily, use the iFixit Opening Tool again to pry stuck sections.

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    • Use a T10 screwdriver to unscrew the two screws that fasten the frame to the printer hood.

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    • Put your finger behind the panel with the power button.

    • Then, pull the piece outwards.

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    • Unscrew the screw inside the power button panel space.

      • Then, unscrew the screw that is across the printer slider.

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    • Pull the white circuit board outwards which is located under the small screen.

    • Unplug the small ribbon cable from the circuit board.

    • Be careful when you unplug the ribbon cable not to use too much force. Using too much force may damage or rip the cable.

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    • Unplug the small ribbon cable from the circuit board. Be careful when you unplug the ribbon cable not to use too much force. Using too much force may damage or rip the cable.

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    • Pull the memory card reader's circuit board out.

    • Detach the white wiring connector from the back of the circuit board.

    • You may need to use a finger nail or a Plastic Prying Tool to detach the white wiring connector from the circuit board.

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    • Put your finger behind the small screen.

    • Then, pull it up.

    • Do not hesitate to use force to remove the TouchSmart panel.

    • Disconnect the ribbon cable from the small screen.

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    • Pull the printer hood upward.

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    • This guide requires completion of the Outer Shell Disassembly Guide.

    • A T10 Torx Screwdriver will be needed for this step.

    • Locate the motherboard and remove the three uncovered screws.

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    • The Plastic Opening Tool will be useful in this step. Motherboards are fragile so be careful not to damage it with any further removal.

    • Gently remove the seven cables that are attached to the motherboard.

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    • Gently lift motherboard out of the slot, removal is complete.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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garrett hall

Membre depuis le 26/09/2012

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2 tutoriels rédigés

Équipe

Cal Poly, Team 2-11, Propen Fall 2012 Membre de l'équipe Cal Poly, Team 2-11, Propen Fall 2012

CPSU-PROPEN-F12S2G11

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