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HP Color LaserJet M855 and HP Color LaserJet Flow MFP M880 - Removal and replacement: Formatter

This document provides the procedures to remove and replace the formatter for the HP Color LaserJet Enterprise M855 and HP Color LaserJet Enterprise Flow MFP M880.

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 all cables and accessories attached to the formatter.

CAUTION:

This part contains components that are electrostatic discharge (ESD) sensitive. To reduce the possibility of ESD damage, always touch the sheet-metal chassis to ground yourself before touching an ESD sensitive part.

Use the table below to identify the correct part number for your printer, and then go to https://parts.hp.com/hpparts to order the part.

Part information

Formatter Kit Part Numbers

A2W77-67902 (M855 only)

Formatter kit with instruction guide

A2W77-67903 (M855 only; China/India)

Formatter kit with instruction guide (China/India only)

A2W75-67902 (M880 only)

Formatter kit with instruction guide

A2W75-67903 (M880 only; China/India)

Formatter kit with instruction guide (China/India only)

Required tools

  • No special tools are required to install this kit.

After performing service

Turn the printer power on

  • Reconnect all cables to the formatter.

  • Connect the power cable.

  • Use the power switch to turn the power on.

To verify that the formatter is correctly installed, observe the following functions of the LEDs on the formatter:

  • The heartbeat LED (callout 1) illuminates if the formatter is functioning correctly.

    • While the product is initializing, the heartbeat LED illuminates solid red for about one second, and then turns solid green for about twenty seconds.

    • After the initialization sequence is complete, the heartbeat LED blinks continuously if the printer is functioning correctly.

  • The connectivity LED (callout 2) indicates that the formatter is completely seated. It illuminates green when the product power is turned on and stays green if the formatter is properly seated.

If the LEDs do not correctly function, turn the product power off, remove the formatter, and then reinstall it (make sure that the formatter is fully seated before tightening the thumbscrews).

Formatter LED lights

Formatter LED lights

Post service test

Print a configuration page to make sure that the printer is functioning correctly.

Remove the formatter

Follow these steps to remove the formatter.

  1. Loosen the two thumbscrews on the formatter, and then pull the formatter out of the product.

    Remove the formatter

    Remove the formatter

Remove the memory drive

Follow these steps to remove the memory drive.

On the formatter printed circuit-board assembly (PCA), remove the memory drive.

CAUTION:

ESD-sensitive part.

  1. To remove the HDD, do the following:

    1. Disconnect two connectors (callout 1).

      Note:

      To disconnect the black connector (callout 2), grasp the connector and pull upward. Do not pull on the cable to disconnect the connector.

      Disconnect two connectors

      Disconnect two connectors
    2. Release two tabs, and then slide the HDD out and away from the plastic mounting bracket to remove it.

      Note:

      Set this part aside. It will be installed on the replacement formatter.

      Remove the HDD

      Remove the HDD
  2. To remove the SSM, do the following:

    1. Disconnect two connectors (callout 1).

      Note:

      To disconnect the black connector (callout 2), grasp the connector and pull upward. Do not pull on the cable to disconnect the connector.

      Disconnect two connectors

      Disconnect two connectors
    2. Release two tabs (callout 1), and then slide the SSM out and away from the plastic mounting bracket (callout 2) to remove it.

      Note:

      Set this part aside. It will be installed on the replacement formatter.

      Remove the SSM

      Remove the SSM

Remove the DIMM

Follow these steps to remove the DIMM.

CAUTION:

ESD-sensitive part.

  1. Locate the DIMM that is installed on the formatter.

    Locate the DIMM

    Locate the DIMM
  2. Release the two clips on either side of the DIMM by gently pulling them away from each other.

    Release two clips

    Release the retainer clips
  3. Rotate the DIMM upward, and then remove it.

    Note:

    Set this part aside. It will be installed on the replacement formatter.

    Remove the DIMM

    Remove the DIMM

Remove the fax printed-circuit assembly

Follow these steps to remove the fax printed-circuit assembly.

Note:

Only MFP products have a fax printed-circuit assembly (PCA) installed. If your product does not have a fax PCA, go to the next step.

CAUTION:

ESD-sensitive part.

  1. Locate the fax PCA that is installed on the formatter.

    Locate the fax PCA

    Locate the fax PCA
  2. Rotate the connector end (away from the phone port) of the fax PCA up and away from the formatter to release it.

    Release one connector

    Release one connector
  3. Carefully remove the fax PCA from the formatter bracket.

    Note:

    Set this part aside. It will be installed on the replacement formatter.

    Remove the fax PCA

    Remove the fax PCA

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 HDD or SSM

Follow these steps to install the HDD or SSM.

CAUTION:

ESD-sensitive part.

  1. To install the HDD, do the following:

    1. Slide the HDD onto the plastic mounting bracket.

      Install the HDD

      Install the HDD
    2. Connect two connectors.

      Connect two connectors

      Connect two connectors
  2. To install the SSM, do the following:

    1. Slide the SSM onto the plastic mounting bracket.

      Install the SSM

      Install the SSM
    2. Connect two connectors.

      Connect two connectors

      Connect two connectors

Install the DIMM

Follow these steps to install the DIMM.

CAUTION:

ESD-sensitive part.

  1. Carefully insert the DIMM at an angle into the holder on the formatter.

    Note:

    Position the DIMM so that the slot in the DIMM is aligned with the tab in the holder.

    Align the DIMM notch with the connector tab

    Align the DIMM notch
  2. Rotate the DIMM in the direction of the arrow to install it.

    Install the DIMM

    Install the DIMM
  3. When the DIMM is installed make sure that the retaining clips on the right and left sides of the DIMM snap into place.

    Check the DIMM installation

    Check the DIMM installation

Install the Fax PCA

Follow these steps to install the Fax PCA.

Note:

Only MFP products have a fax PCA installed. If your product does not have a fax PCA, go to the next step.

CAUTION:

ESD-sensitive part.

  1. Insert the fax port of the fax PCA into the holder on the formatter tray.

    Insert the fax port into the holder

    Insert the fax port into the holder
  2. Rotate the connector end of the fax PCA down toward the formatter to connect it. Gently press on the fax PCA to seat it.

    Install the fax PCA

    Install the fax PCA

Install the formatter

Follow these steps to install the formatter.

CAUTION:

ESD-sensitive part.

  1. Align the formatter with the guides at the top and bottom of the formatter cage and push the formatter into the slot until it is fully seated.

    Install the formatter

    Install the formatter
  2. Finger-tighten the two thumbscrews.

    Tighten two thumbscrews

    Tighten two thumbscrews

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Country/Region: Africa

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