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HP Photosmart c4780 Scanner Glass Replacement

HP Photosmart c4780 Scanner Glass Replacement

garrett hall

garrett hall and 9 other contributors

Last updated on August 6, 2018

15 - 30 minutes
Moderate
Slice and Dice
Better Introduction

What you need

Parts

Tools

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  1. HP Photosmart c4780 Scanner Glass Replacement, Outer Shell Disassembly: step 1, image 1 of 2 HP Photosmart c4780 Scanner Glass Replacement, Outer Shell Disassembly: step 1, image 2 of 2

    • Unplug the device from any energy sources.

    • Lift the top cover of the scanner.

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

    Edit

  2. HP Photosmart c4780 Scanner Glass Replacement: step 2, image 1 of 1

    • Carefully pull the frame away from the glass.

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

    Edit

  3. HP Photosmart c4780 Scanner Glass Replacement: step 3, image 1 of 1

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

    Edit

  4. HP Photosmart c4780 Scanner Glass Replacement: step 4, image 1 of 2 HP Photosmart c4780 Scanner Glass Replacement: step 4, image 2 of 2

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

    • Then, pull the piece outwards.

    Edit

  5. HP Photosmart c4780 Scanner Glass Replacement: step 5, image 1 of 2 HP Photosmart c4780 Scanner Glass Replacement: step 5, image 2 of 2

    • Unscrew the screw inside the power button panel space.

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

    Edit

  7. HP Photosmart c4780 Scanner Glass Replacement: step 6, image 1 of 1

    • 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.

    Edit

    • 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.

    Edit

  9. HP Photosmart c4780 Scanner Glass Replacement: step 8, image 1 of 2 HP Photosmart c4780 Scanner Glass Replacement: step 8, image 2 of 2

    • 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 opening tool to detach the white wiring connector from the circuit board.

    Edit

  10. HP Photosmart c4780 Scanner Glass Replacement: step 9, image 1 of 2 HP Photosmart c4780 Scanner Glass Replacement: step 9, image 2 of 2

    • 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.

    Edit

  11. HP Photosmart c4780 Scanner Glass Replacement: step 10, image 1 of 1

    • Pull the printer hood upward.

    Edit

  12. HP Photosmart c4780 Scanner Glass Replacement, Scanner Glass: step 11, image 1 of 1

    • With the top half of the printer separated, lift the upper section with the scanner glass away from the lower section of the printer.

    Edit

  13. HP Photosmart c4780 Scanner Glass Replacement: step 12, image 1 of 2 HP Photosmart c4780 Scanner Glass Replacement: step 12, image 2 of 2

    • With the glass facing upwards, remove the screw holding the glass in place.

    Edit

  14. HP Photosmart c4780 Scanner Glass Replacement: step 13, image 1 of 1

    • Lift the glass up and away from the printer.

    • Handle glass with care.

    • Replace the broken glass piece with the replacement glass

    Edit
Conclusion

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

2 other people completed this guide.

Author

with 9 other contributors

garrett hall

Member since: 09/26/12

49 Reputation

2 Guides authored

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Team

Cal Poly, Team 2-11, Propen Fall 2012 Member of Cal Poly, Team 2-11, Propen Fall 2012

CPSU-PROPEN-F12S2G11

4 Members

6 Guides authored

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