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HP LaserJet M604, M605, M606 - Removal and replacement: Control panel (M604n/dn, M605n/dn, M606dn)

This document provides the procedures to remove and replace the control panel for the M604n/dn, M605n/dn, and M606dn models.

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.

Part information

Control panel (M604n/dn, M605n/dn, M606dn) part number

RM2-7682-000CN

Control panel (M604n/dn, M605n/dn, M606dn)

Required tools

  • #2 Phillips screwdriver with a magnetic tip

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 control panel display illuminates and the startup screens display as the printer initializes.

When the printer reaches the Ready state, make sure that the control panel buttons work correctly by scrolling through the control panel menus.

Remove the right cover

Follow these steps to remove the right cover.

  1. Open the front cover and the cartridge door.

    Open the front cover and cartridge door

    Open the front cover and cartridge door
  2. Remove two screws (callout 1).

    Remove two screws

    Remove two screws
  3. Release three tabs (callout 1).

    Release three tabs

    Release three tabs
  4. Slide the cover toward the rear of the printer to remove it.

    Remove the cover

    Remove the cover

Remove the control panel

Follow these steps to remove the control panel.

  1. Remove three screws (callout 1).

    Note:

    One of these screws (callout 2) retains a ground wire.

    Remove three screws

    Remove three screws
  2. Carefully slide the control panel toward the right side of the printer, lift it slightly, and then disconnect one connector (callout 1) on the back.

    CAUTION:

    Do not completely remove the control panel until the connector is disconnected.

    Disconnect one connector

    Disconnect one connector
  3. Remove the control panel.

    Remove the control panel

    Remove the control panel

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 one connector (callout 1).

    Connect one connector

    Connect one connector
  2. Install three screws (callout 1).

    Note:

    Make sure that the ground wire from the connector is installed under the screw (callout 2).

    Install three screws

    Install three screws

Install the right cover

Follow these steps to install the right cover.

  1. Note the location of the tabs (callout 1) on the cover that will fit into the slots (callout 2) on the printer.

    Note location of tabs

    Note location of tabs
  2. Position the front tabs on the right cover slightly behind the right front cover (callout 1), and then rotate the back edge of the cover toward the printer (callout 2).

    Note:

    The tabs and slots mentioned in the previous step will engage as the cover is rotated into place.

    Position the front tabs

    Position the front tabs
  3. Slide the cover toward the front of the printer to install it.

    Slide the cover

    Slide the cover
  4. Install two screws (callout 1).

    Install two screws

    Install two screws
  5. Close the front cover and the cartridge door.

    Close the front cover and cartridge door

    Close the front cover and cartridge door

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