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HP Color LaserJet M651 and HP Color LaserJet MFP M680 - Removal and replacement: Formatter

This document provides the procedures to remove and replace the formatter.

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.

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.

Important:

Do not replace the formatter, DC controller, and hard-disk drive simultaneously during a single printer servicing. Doing so might cause the printer to become unstable or inoperable.

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

CZ255-67901

Formatter kit (M651) with instruction guide

CZ248-67901

Formatter kit (M680) 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.

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 LEDs

formatter LEDs

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. Unscrew the formatter thumbscrews, and then firmly pull the formatter out of the product. Place the formatter on a clean, flat, grounded surface.

    Remove the formatter

    Remove the formatter

Identify the storage type device

Follow these steps to identify the storage type device.

  1. (Callout 1) Solid-state memory (SSM). Go to .

  2. (Callout 2) Hard-disk drive (HDD). See .

Remove the SSM (M651)

Follow these steps to remove the SSM (M651).

If the printer has a hard-disk drive, skip this step.
CAUTION:

ESD sensitive assembly.

  1. Disconnect two connectors.

    Remove the SSM (1 of 5)

    Remove the SSM (1 of 5)
  2. Push down on the two levers on each side of the bracket (callout 1), and hold them down, while sliding the bracket in the direction of the arrow (callout 2).

    Remove the SSM (2 of 5)

    Remove the SSM (2 of 5)
  3. Remove the connector. (Transfer the connector to the new SSM.)

    Remove the SSM (3 of 5)

    Remove the SSM (3 of 5)
  4. Spread the latches apart.

    Remove the SSM (4 of 5)

    Remove the SSM (4 of 5)
  5. Lift the SSM out of the bracket.

    Remove the SSM (5 of 5)

    Remove the SSM (5 of 5)

Remove the hard-disk drive (HDD)

Follow these steps to remove the hard-disk drive (HDD).

If the printer has a solid-state memory, skip this step.
CAUTION:

ESD sensitive assembly.

  1. Disconnect two connectors.

    Remove the HDD (1 of 4)

    Remove the HDD (1 of 4)
  2. Depress the latches on each side of the bracket.

    Remove the HDD (2 of 4)

    Remove the HDD (2 of 4)
  3. Slide the HDD in the direction of the arrow to remove it from the bracket.

    Remove the HDD (3 of 4)

    Remove the HDD (3 of 4)
  4. Remove the connector from the HDD. (Transfer the connector to the new HDD.)

    Remove the HDD (4 of 4)

    Remove the HDD (4 of 4)

Step 3: Remove the dual inline memory module (DIMM)

Follow these steps to step 3: Remove the dual inline memory module (DIMM).

CAUTION:

ESD sensitive assembly.

  1. Release two clips.

    Remove the memory DIMM (1 of 2)

    Remove the memory DIMM(1 of 2)
  2. Rotate the DIMM upward (callout 1), and then remove it (callout 2).

    Remove the memory DIMM (2 of 2)

    Remove the memory DIMM(2 of 2)

Remove the fax PCA (M680)

Follow these steps to remove the fax PCA (M680).

These steps apply only to the M680 models. For the M651 models, skip to the next step.
CAUTION:

ESD sensitive assembly.

  1. Rotate the connector end of the fax PCA up and away from the formatter to release it. Remove the fax PCA.

    Remove the fax PCA (M680)

    Remove the fax PCA (M680)

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 fax PCA (M680)

Follow these steps to install the fax PCA (M680).

These steps apply only to the M680 models. For the M651 models, skip to the next step.
CAUTION:

ESD sensitive assembly.

  1. Rotate the connector end of the fax PCA down towards the formatter to install it.

    Install the fax PCA (M680)

    Install the fax PCA (M680)

Install the memory DIMM

Follow these steps to install the memory DIMM.

CAUTION:

ESD sensitive assembly.

  1. Align the notch (callout 1) on the DIMM with the tab (callout 2) on the connector.

    Install the memory DIMM

    Install the memory DIMM
  2. Slide the DIMM into the connector (callout 1), and then rotate the DIMM down, toward the formatter. (callout 2).

    Install the memory DIMM

    Install the memory DIMM
  3. Make sure that the memory DIMM snaps into the holder.

    Install the memory DIMM

    Install the memory DIMM

Install the HDD or SSM

Follow these steps to install the HDD or SSM.

CAUTION:

ESD sensitive assembly.

  1. To Install the HDD, do the following steps:

    1. Connect the connector to the new HDD.

      Install the HDD (1 of 4)

      Install the HDD (1 of 4)
    2. Slide the HDD in the direction of the arrow to insert it into the bracket.

      Install the HDD (2 of 4)

      Install the HDD (2 of 4)
    3. Lift the latches on each side of the bracket to secure it.

      Install the HDD (3 of 4)

      Install the HDD (3 of 4)
    4. Connect two connectors.

      Install the HDD (4 of 4)

      Install the HDD (4 of 4)
  2. To install the SSM, do the following steps:

    1. Insert the SSM into the bracket.

      Install the SSM (1 of 5)

      Install the SSM (1 of 5)
    2. Secure the latches.

      Install the SSM (2 of 5)

      Install the SSM (2 of 5)
    3. Connect the connector to the new SSM.

      Install the SSM (3 of 5)

      Install the SSM (3 of 5)
    4. Slide the bracket in the direction of the arrow (callout 1), and secure the two levers on each side of the bracket to install it (callout 2).

      Install the SSM (4 of 5)

      Install the SSM (4 of 5)
    5. Connect two connectors.

      Install the SSM (5 of 5)

      Install the SSM (5 of 5)

Install the formatter

Follow these steps to install the formatter.

  1. Install the formatter into the printer, and tighten the formatter thumbscrews.

    Tip:

    Push firmly on the right side to make sure the formatter is seated.

    Install the formatter

    Install the formatter

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