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HP Color LaserJet Enterprise M751, Managed E75245 - Removal and replacement: Control panel (M751/E75245)

Learn how to remove and replace the control panel.

Mean time to repair: 3 minutes

Service level: CSR A

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.

Part information

Part number

Part description

5851-7975

Control panel

Required tools

  • #2 Phillips screwdriver with a magnetic tip

  • Small, flat-blade screwdriver

After performing service

Turn the printer power on

  • Connect the power cable.

  • Use the power switch to turn the power on.

Post service test

Make sure that the printer initializes to a Ready state.

Remove the control panel

Follow these steps to remove the control panel.

Note:

A screwdriver is included in the control panel kit. The screwdriver has a reversible shaft. Simply pull the shaft out of the handle, and then reinstall it with the desired end facing out.

  1. Use a small, flat-blade screwdriver to release two tabs (callout 1), and then remove the control panel cover (callout 2).

    Remove the control panel cover

    Remove the control panel cover

  2. Remove one screw (callout 1).

    Remove one screw

    Remove one screw

  3. Lift the back edge of the control panel up (callout 1), and then slide the control panel toward the back of the printer (callout 2).

    Slide the control panel back

    Slide the control panel back

  4. Turn the control panel so that the bottom is facing up, and then disconnect two connectors (callout 1) to remove the control panel.

    Disconnect two connectors

    Disconnect two connectors

Unpack the replacement assembly

Follow these steps to unpack the replacement assembly.

  1. Dispose of the defective part.

    Note:

    HP recommends responsible disposal of the defective part.

    http://www8.hp.com/us/en/hp-information/environment/product-recycling.html

  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.

    Important:

    Make sure that all of the shipping materials (for example shipping tape) are removed from the replacement part prior to installation.

    Note:

    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 before touching rollers or pads.

  3. To install an assembly, reverse the removal steps.

    Note:

    When applicable, special installation instructions are provided for an assembly at the end of the removal procedure. Always completely read the removal instructions and follow all special installation instructions.

Install the control panel

Follow these steps to install the control panel.

  1. Connect two connectors (callout 1).

    Connect two connectors

    Connect two connectors

  2. Slide the front edge of the control panel into the opening in the top cover (callout 1), and then lower the back edge down (callout 2).

    Position the control panel

    Position the control panel

  3. Install one screw (callout 1).

    Install one screw

    Install one screw

  4. Install the control panel cover (callout 1).

    Install the control panel cover

    Install the control panel cover

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