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Removal and replacement: Control panel (X555)

This document provides instructions about removing and replacing 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.

  • Disconnect either the USB cable or the network ethernet cable.

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

Control panel kit part number

5851-5950

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

  • Reconnect either the USB cable or the network cable.

  • 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.

Remove the control panel

Follow these steps to remove the control panel.

  1. Tilt the control panel away from the product.

    Remove the control panel — X555 models (1 of 4)

    Remove the control panel (1 of 4)
  2. Remove the access cover behind the control panel.

    Remove the control panel — X555 models (2 of 4)

    Remove the control panel (2 of 4)
  3. Turn the lock lever counterclockwise to release it.

    Remove the control panel — X555 models (3 of 4)

    Remove the control panel (3 of 4)
  4. Lift the left end of the control panel up, and then disconnect three connectors (callout 1) and the ground wire (callout 2).

    Remove the control panel — X555 models (4 of 4)

    Remove the control panel (4 of 4)

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. Install the control panel and connect three connectors (callout 1), and then connect the ground wire (callout 2).

    Install the control panel — X555 models (1 of 3)

    Install the control panel (1of 3)
  2. Turn the lock lever clockwise to secure it.

    Install the control panel — X555 models (2 of 3)

    Install the control panel (2 of 3)
  3. Install the access cover behind the control panel.

    Install the control panel — X555 models (3 of 3)

    Install the control panel (3 of 3)

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