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HP PageWide Enterprise, HP PageWide Managed - Removal and replacement: embedded MultiMedia Card (eMMC)

Learn how to remove and replace the embedded MultiMedia Card (eMMC).

Mean time to repair: 10 minutes

Service level: Basic

Click here to visit the HP video library.

Important:

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.

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 cable 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

J7Z04-67908

eMMC (8GB) with instruction guide (752/755/765/E751 models)

Y3Z60-67906

eMMC (16GB) with instruction guide (774/779/P774/P779 models)

Required tools

  • No special tools are required to remove or install this assembly.

After performing service

Turn the printer power on

  • Connect the power cable.

  • Use the power switch to turn the power on.

Post service test

Send a print job from the host computer, and then verify the printer is correctly functioning.

Remove the formatter cover

Follow these steps to remove the formatter cover.

  1. Grasp the top of the formatter cover, and then rotate it away from the printer to release it.

    Release the formatter cover

    Release the formatter cover
  2. Lift the cover up to remove it.

    Remove the formatter cover

    Remove the formatter cover

Remove the formatter cage cover

Follow these steps to remove the formatter cage cover.

CAUTION:

ESD icon The exposed area is electrostatic discharge sensitive (ESD).

  1. Loosen two thumb screws.

    Note:

    These screws are captive and cannot be removed.

    Loosen two thumb screws

    Loosen two thumb screws
  2. Lift the cover up to remove it.

    Remove the formatter cage cover

    Remove the formatter cage cover

Remove the embedded MultiMedia Card (eMMC)

Follow these steps to remove the embedded MultiMedia Card (eMMC).

Important:

Do not simultaneously install a replacement trusted platform module (TPM), hard disk drive (HDD; MFPs), eMMC (SFPs), and formatter PCA. Remove and install each part separately, making sure to turn the printer power on between installations. Failure to do so results in an unusable printer.

CAUTION:

ESD icon ESD sensitive part.

  1. Do one of the following:

    • Locate the eMMC on the formatter.

      Locate the eMMC (1 of 2)

      Locate the eMMC (1 of 2)
    • Locate the eMMC on the formatter.

      Locate the eMMC (2 of 2)

      Locate the eMMC (2 of 2)
  2. Do one of the following:

    • Pull the eMMC straight off the formatter PCA to remove it.

      Remove the eMMC (1 of 2)

      Remove the eMMC (1 of 2)
    • Pull the eMMC straight off the formatter PCA to remove it.

      Note:

      The smart transducer monitoring system printed circuit assembly (PCA) (callout 1) does not need to be removed to remove the eMMC PCA.

      Remove the eMMC (2 of 2)

      Remove the eMMC (2 of 2)

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 eMMC

Follow these steps to install the eMMC.

  1. Align the connector on the replacement eMMC (callout 1) with the connector on the formatter (callout 2).

    Note:

    The eMMC can only be installed in one direction on the formatter.

    Align the connectors (1 of 2)

    Align the connectors (1 of 2)

    Align the connectors (2 of 2)

    Align the connectors (2 of 2)
  2. Do one of the following:

    • Push the eMMC onto the formatter to install it.

      Important:

      Press on the connector side of the eMMC to make sure it is fully seated in the formatter connector.

      Install the eMMC (1 of 2)

      Install the eMMC (1 of 2)
    • Push the eMMC onto the formatter to install it.

      Important:

      Press on the connector side of the eMMC to make sure it is fully seated in the formatter connector.

      Note:

      The smart transducer monitoring system printed circuit assembly (PCA) (callout 1) does not need to be removed to install the eMMC PCA.

      Install the eMMC (2 of 2)

      Install the eMMC (2 of 2)

Install the formatter cage cover

Follow these steps to install the formatter cage cover.

CAUTION:

ESD icon The exposed area is electrostatic discharge sensitive (ESD).

  1. Position the cover on the formatter cage.

    Install the formatter cage cover

    Install the formatter cage cover
  2. Tighten two thumb screws.

    Tighten two thumb screws

    Tighten two thumb screws

Install the formatter cover

Follow these steps to install the formatter cover.

  1. Position the cover up to remove it.

    Install the formatter cover

    Install the formatter cover
  2. Rotate the top of the formatter cover towards the printer to install it.

    Note:

    The formatter cover snaps in place.

    Install the formatter cover

    Install the formatter cover

Reinstall the printer firmware

Follow these steps to reinstall the printer firmware.

Note:

If this installation is a replacement eMMC, use the following steps to reinstall the firmware.

  1. Go to www.hp.com/go/futuresmart.

  2. Select Upgrade now.

  3. Find your Enterprise printer model.

  4. Select the link to open the firmware download page.

  5. Select OS Independent from the list of operating systems.

  6. Under the Firmware section, find the file for multiple operating systems.

  7. Select Download.

    Note:

    To view installation instructions, go to www.hp.com/go/futuresmart. Select Upgrade now, and then select How to perform a firmware update.


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