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HP PageWide Enterprise Color 556 - Removal and replacement: embedded MultiMedia Card (eMMC) (556dn)

Introduction

This document provides the procedures to remove and replace the embedded MultiMedia Card (eMMC).

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:
ESD-sensitive part.
note:
Do not replace the formatter, DC controller, and eMMC PCA or hard-disk drive simultaneously during a single printer servicing. Doing so might cause the printer to become unstable or inoperable.
note:
Data stored on the eMMC is not secure and cannot be encrypted.
Use the table below to identify the correct part number for your printer. To order the part, go to www.hp.com/buy/parts.
embedded MultiMedia Card (eMMC) kit part number
G1W47-67902
embedded MultiMedia Card (eMMC) (556dn) with instruction guide

Required tools

No special tools are required to install this part.

After performing service

Make sure that the formatter cover is fully seated, and that the thumbscrews are finger tight after replacing it.
Turn the printer power on
  • 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.

Step 1: Remove the formatter cover

  1. Remove two thumb screws (callout 1), and then slide the cover off of the printer to remove it (callout 2).
    note:
    The thumb screws are not captive and are easily lost.
    Figure : Remove the formatter cover

Step 2: Remove the embedded MultiMedia Card (eMMC)

  caution:
ESD-sensitive part.
note:
M506 (all) and M527dn printers only.
  1. Locate the eMMC component on the formatter, and then pull it straight off of the formatter to remove it.
    Figure : Remove the eMMC

Step 3: Unpack the replacement assembly

  1. Dispose of the defective part.
    note:
    HP recommends responsible disposal of the defective part.
  2. Unpack the replacement part from the packaging.
      caution:
    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 or before touching rollers or pads.
    note:
    Make sure that all of the shipping materials (for example shipping tape) are removed from the replacement part prior to installation.

Step 4: Install the eMMC

  caution:
ESD-sensitive part.
note:
M506 (all) and M527dn printers only.
  1. Note the location of the connector (callout 1) on the eMMC and the connector (callout 2) on the formatter.
    Figure : Locate the eMMC connectors
  2. Align the connector on the replacement eMMC (callout 1) with the connector on the formatter, and then push the eMMC onto the formatter to install it.
    note:
    Push on the eMMC at the location shown by the arrow. Ignore any “Push here” label on the eMMC itself. Make sure that the eMMC is fully seated in the connector .
    note:
    The eMMC can only be installed in one direction on the formatter.
    Figure : Install the eMMC

Step 5: Install the formatter cover

  1. Slide the cover onto the printer (callout 1) to install it, and then install two thumb screws (callout 2).
    Figure : Install the formatter cover

Step 6: Reinstall the printer firmware

note:
If this installation is a replacement eMMC, use the following steps to reinstall the firmware.
  1. Select Upgrade now.
  2. Find your Enterprise printer model.
  3. Select the link to open the firmware download page.
  4. Select OS Independent from the list of operating systems.
  5. Under the Firmware section, find the file for multiple operating systems.
  6. 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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