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HP LaserJet MFP M630 - Removal and replacement: Control panel
This document provides the procedures to remove and replace the control panel.
Mean time to repair: 10 minutes
Service level: Basic
Before performing service
Turn the printer power off
  • Disconnect the power cable.
      warning:
    To avoid damage to the printer, turn the printer off, wait 30 seconds, and then remove the power cord before attempting to service the printer.
Use the table below to identify the correct part number for your printer. To order the part, go to www.hp.com/buy/parts.
Control panel kit part number
B3G84-67908
Control panel kit with instruction guide
Required tools
No special tools are required to install this kit.
After performing service
Turn the printer power on
  • Connect the power cable.
  • Use the power switch to turn the power on.
Post service test
Print a configuration page to make sure that the printer is functioning correctly.
  1. Remove the control panel.
    1. Optional step: Locate and open the Hardware Integration Pocket (HIP) next to the control-panel display. The HIP is covered by a rectangular cover that is retained by clips along its long edges. Using a thin, flat-blade screwdriver along either short edge, gently pry the cover off. If a third-party device is installed under this cover, disconnect and remove the device.
        note:
      Set this device aside. It will be installed on the replacement control panel.
      Figure : Remove third party devices
    2. Tilt the control panel up.
      Figure : Tilt the control panel up
    3. Release one tab, and then remove the cover.
      Figure : Remove the cover
    4. M630z only: Slide the keyboard about halfway out of the product.
      Figure : Slide the keyboard out
    5. Disconnect two connectors.
      Figure : Disconnect two connectors
    6. Remove one screw.
        note:
      Use the edge of a coin to loosen the screw.
      Figure : Remove one screw
    7. Slide the control panel toward the right door.
      Figure : Slide the control panel to the right
    8. Slide the control panel towards the front of the product to remove it.
      Figure : Remove the control-panel assembly
  2.   note:
    If your product does not have a keyboard, go to the next step.
    Remove the keyboard (M630z only).
    1. Place the control-panel assembly on a flat surface.
      Figure : Place the control-panel assembly on a flat surface
    2. Open the hinged latch to release the flat cable.
        caution:
      Be careful. Do not dislodge the latch from the connector when opening it.
        note:
      This connector is a Zero Insertion Force (ZIF) connector that uses a hinged retainer to secure a flat cable. The hinged retainer must be opened to release the flat cable.
      Figure : Release the flat cable
    3. Disconnect the flat cable.
      Figure : Disconnect the flat cable
    4. Tilt the screen down until it lays flat.
      Figure : Tilt the screen down
    5. Slide the keyboard tray all of the way out of the control panel until it stops.
      Figure : Slide the keyboard tray out
    6. Turn the control panel face-down on the surface.
      Figure : Turn the control panel face-down
    7. Release and hold two tabs (callout 1) while sliding the keyboard tray away from the control panel (callout 2) to remove it.
      Figure : Remove the keyboard
  3. Unpack the replacement control-panel assembly.
    1. Dispose of the defective part.
        note:
      HP recommends responsible disposal of the defective part.
    2. Unpack the replacement part from the packaging.
        caution:
      Some parts are sensitive to electrostatic discharge (ESD). Always perform service work at an ESD-protected workstation or mat. If an ESD workstation or mat is not available, touch the sheet-metal chassis to provide a static ground before touching an ESD-sensitive assembly. Protect the ESD-sensitive assemblies by placing them in ESD pouches when they are out of the printer.
        caution:
      If the replacement part is a roller or pad, avoid touching the spongy part of it. Skin oils on the roller or pad can cause paper pickup and/or print-quality problems. HP recommends using disposable gloves when handling rollers or pads or washing your hands or before touching rollers or pads.
        note:
      Make sure that all of the shipping materials (for example shipping tape) are removed from the replacement part prior to installation.
  4.   note:
    If your product does not have a keyboard, go to the next step.
    Install the keyboard (M630z only).
    1. Turn the keyboard tray upside down, and then position the flat cable (callout 1) inside the tray cavity. Align the edges of the tray (callout 2) with the slots in the control panel (callout 3).
      Figure : Align the edges of the tray with the slots in the control panel
    2. Slide the keyboard tray all the way into the control panel.
      Figure : Slide the keyboard tray in
    3. Turn the control panel face-up.
      Figure : Turn the control panel face-up
    4. Tilt the screen up.
      Figure : Tilt the screen up
    5. Open the hinged latch, and then position the flat cable in the connector.
        caution:
      Be careful. Do not dislodge the latch from the connector when opening it.
      Figure : Position the flat cable in the connector
    6. Use a finger to carefully close the latch to lock the flat cable into position.
        caution:
      Be careful. Do not dislodge the latch from the connector when closing it.
        note:
      This connector is a Zero Insertion Force (ZIF) connector that uses a hinged retainer to secure a flat cable. When the flat cable is reinstalled, fully insert the flat cable in the connector, and then close the hinged retainer to lock the flat cable into the connector and provide proper electrical contact. If the flat cable is not locked into the connector, no electrical contact will occur.
      Figure : Close the latch to lock the flat cable into position
    7. Slightly pull on the flat cable to verify that it is securely fastened in the connector.
        caution:
      Be careful. Do not use full force to pull on the flat cable. A slight pull on the cable is sufficient to verify that it is securely fastened.
      Figure : Verify that the cable is securely fastened in the connector
  5. Install the control-panel assembly.
    1. Insert the cable and wire harness (callout 1) into the opening at the back of the control panel (callout 2).
      Figure : Install the cable and wire harness
    2. Insert the tabs on the control panel into the slots on the product.
      Figure : Insert the tabs on the control panel into the slots
    3. Slide the control panel toward the left door to secure it to the product.
      Figure : Slide the control panel to the left
    4. M630z only: Slide the keyboard about halfway out of the product.
      Figure : Slide the keyboard out
    5. Connect two connectors.
        caution:
      To avoid damaging the black USB cable, make sure that the USB symbol () on the connector at the end of the cable is facing up before installing it in the control panel.
      Figure : Connect two connectors
    6. Install the screw.
        note:
      Use the edge of a coin to tighten the screw.
      Figure : Install the screw
    7. Install the cover.
      Figure : Install the cover
    8. Optional step: If a device was removed from the Hardware Integration Pocket (HIP), open the HIP cover on the replacement control panel, and then reinstall the device.
      Figure : Install third party devices
    9. Do the following steps:
      1. Reconnect any removed interface cables.
      2. Plug in the power cord.
      3. Turn on the product.
      4. M630z only: Check to make sure that the keyboard functions correctly. If it does not, make sure that the flat cable is installed correctly in the connector.
        Figure : Test the keyboard

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