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HP Officejet J4550 All-in-one Button Replacement

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HP Officejet J4550 All-in-one Button Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 HP Officejet J4550 All-in-one Button Replacement: crwdns2935265:00crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 HP Officejet J4550 All-in-one Button Replacement: crwdns2935265:00crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

  • Remove eight 10mm screws on the back of the controlling keyboard with T8 torx security screwdriver.

  • Remove the back board of the controlling keyboard.

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