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HP Color LaserJet Enterprise MFP M776 - Removal and replacement: Document feeder reflector (M776)

Learn how to remove and replace the document feeder reflector.

Mean time to repair: 2 minutes

Service level: CSR A

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

Part number

Part description

J7Z09-67926

White backing A3 kit

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

No post service test is available for this assembly.

Remove the document feeder reflector (M776dn/M776z/M776zs)

Follow these steps to remove the document feeder reflector (M776dn/M776z/M776zs).

  1. Raise the document feeder.

    Raise the document feeder

    Raise the document feeder
  2. Before proceeding, take note of the location of the tabs that fasten the reflector to the document feeder.

    Reflector tabs location

    Reflector tabs location
  3. Starting along the top edge of the reflector, carefully pull it away from the document feeder to release it.

    Release the reflector

    Release the reflector
  4. Remove the reflector.

    Remove the reflector

    Remove the reflector
  5. Check the document feeder for any reflector tabs (callout 1) that were not removed with the reflector. Remove any tabs still attached to the document feeder.

    Check for reflector tabs

    Check for reflector tabs

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 document feeder reflector (M776dn/M776z/M776zs)

Follow these steps to install the document feeder reflector (M776dn/M776z/M776zs).

  1. Install nine clips (provided in the kit) into the mounting holes in document feeder.

    Tip:

    The clips make an audible click when they are snapped into place.

    Install nine clips

    Install nine clips
  2. Peel the protective backing off of the adhesive pads on each clip.

    Important:

    Do not touch the exposed sticky side of the adhesive pad after removing the protective backing.

    Peel the protective backing

    Peel the protective backing
  3. Place the reflector on the scanner glass. Make sure that the rear and left edge of the reflector are aligned with the rear and left edge of the scanner glass.

    Important:

    The embossed arrow on the reflector must be positioned in the bottom-left corner.

    Position the reflector

    Position the reflector
  4. Close the document feeder.

    Close the document feeder

    Close the document feeder
  5. Push down on the document feeder to adhere the reflector to the mounting clips.

    Push down on the document feeder

    Push down on the document feeder
  6. Open the document feeder, and then push in on the nine reflector tabs to make sure they are fully adhered to the reflector.

    Push the nine tabs

    Push the nine tabs
  7. Close the document feeder.

    Close the document feeder

    Close the document feeder

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