Introduction
This guide provides step-by-step instructions to remove and replace the button circuit board on an HP Deskjet 1055 printer using basic tools. This repair may be necessary if the power or function buttons stop responding. Only basic tools, including a Torx T-10 screwdriver, are required.
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Press your thumb firmly on the center of the button plate on the left side of the printer.
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Hook your fingers under the front edge of the button plate and pull upward while maintaining pressure in the center with your thumb.
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Once the front of the plate is loose, lift it up a few inches making sure to hold the back (paper feeding side) of the plate down.
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Slide the plate towards the back of the printer and then lift up on the back of the plate.
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The plate should now be disconnected from the tabs on the printer.
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Flip the plate over to reveal the white ribbon cable that connects it to the printer.
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Locate where the white ribbon cable is attached to the green button circuit board (circled in red).
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Hold the ribbon cable near the connection point and gently pull it straight out from the circuit board to avoid damage.
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Place the plate down on a flat surface with the button circuit board facing up.
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Remove the three(3) T-10 Torx Screws from the circuit board.
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Lift the button circuit board up and off of the button plate.
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To install a new button plate follow these directions in reverse order.
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To reassemble your device, follow these instructions in reverse order.
