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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 four 10mm screws on the panel with T8 torx security screwdriver.

  • Remove the cover of the top part.

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