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  1. HP Officejet Pro 8620 CMOS Battery Replacement, Left Panel: Schritt 1, Bild 1 von 3 HP Officejet Pro 8620 CMOS Battery Replacement, Left Panel: Schritt 1, Bild 2 von 3 HP Officejet Pro 8620 CMOS Battery Replacement, Left Panel: Schritt 1, Bild 3 von 3
    • Turn off the printer and remove the power cable.

    • Remove two 13mm T9 screws using a T9-Torx screwdriver. Turn counterclockwise until the screws are released.

  2. HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 2, Bild 1 von 2 HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 2, Bild 2 von 2
    • Open the front door by placing your finger on the indented groove on the left side of the printer and pulling down

    • This will give you access to the two T9-TORX 13mm screws that need to be removed to release the panel.

  3. HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 3, Bild 1 von 2 HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 3, Bild 2 von 2
    • Remove the two 13mm screws with a T9-TORX screwdriver by turning counter-clockwise (left).

  4. HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 4, Bild 1 von 3 HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 4, Bild 2 von 3 HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 4, Bild 3 von 3
    • Gently remove the left side panel by placing your palm flat against the surface and pulling down.

  5. HP Officejet Pro 8620 CMOS Battery Replacement, CMOS Battery: Schritt 5, Bild 1 von 1
    • Gently bend the black ribbon cable by using your left hand.

    • Remove the 8mm T9-Torx screw under the black plastic cover by turning counter clockwise.

  6. HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 6, Bild 1 von 2 HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 6, Bild 2 von 2
    • Gently move the black plastic cover to the side by using your right hand.

    • Place one finger behind the top of the motherboard where you removed the previous screw.

    • Gently pull the motherboard towards you by about an inch by using your right hand's finger.

  7. HP Officejet Pro 8620 CMOS Battery Replacement: Schritt 7, Bild 1 von 1
    • Gently remove the CMOS battery by using a finger from your left hand, while holding the motherboard with your right hand.

Abschluss

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

4 weitere Nutzer:innen haben diese Anleitung absolviert.

Michael

Mitglied seit: 24.01.2018

296 Reputation

1 Anleitung geschrieben

Team

Cal Poly, Team S19-G2, Livingston Winter 2018 Mitglied von Cal Poly, Team S19-G2, Livingston Winter 2018

CPSU-LIVINGSTON-W18S19G2

3 Mitglieder

4 Anleitungen geschrieben

2 Kommentare

I removed the lithium CMOS 3 volt battery, connected 2 wires at +(red) and - (black). Open a hole at plastic cover, and now I’m using 2 AA in serial, in a holder externally. To refill the cartridges , first open the cover till carriage stops in the middle. Second disconnect the 120 V power cable. Third remove the external CMOS 2 AA batteries, from the holder . Forth remove ink cartridges, refill and install them in the carriage. Insert exterior CMOS 2 AA batteries in the holder, Connect the power cable and you are good to go.

Arbaches Glaukus - Antwort

I removed all the board fasteners to be sure. That small metal hook down below your right thumb. Be careful there no to damage the board. 10 minutes and done!

servehimdaily - Antwort

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