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HP LaserJet Enterprise 700 MFP M725 - Replace the fax PCA

Introduction

note:
To see a short video demonstrating this procedure, click here.
Before you begin
  • Use the table below to identify the correct kit part number for your product, and then go to www.hp.com/buy/parts to order the kit.
    Kit part number
    Description
    CF066–67912
    Fax PCA kit with instruction guide
Required tools
  • No special tools are required to install this kit.
  caution:
This product contains components that can be damaged by electrostatic discharge (ESD). To reduce the chance of ESD damage, place the product on an ESD mat (if available), and wear an ESD wrist strap connected to a grounded surface. If an ESD workstation or mat is not available, ground yourself by touching the sheet-metal chassis before touching an ESD-sensitive part.

Step 1 - Remove the Formatter

  1. Do the following:
    1. Turn off the product.
    2. Disconnect the power cable.
    3. Disconnect all cables and accessories attached to the formatter.
      warning:
    To avoid damage to the product, turn the product off, wait five seconds, and then remove the power cord before attempting to service the product.
  2. Loosen the two thumbscrews on the formatter.
  3. Pull the formatter out of the product.

Step 2 - Remove the Fax PCA

Release the fax PCA (callout 1) from the formatter connector (callout 2), and then rotate the PCA up and away from the formatter to remove it.

Step 3 - Unpack the Replacement Fax PCA

  caution:
ESD-sensitive part.
Unpack the replacement fax PCA from the packaging.
If your part requires return or recycling, go to Product return and recycling.
note:
HP recommends responsible disposal of the defective fax PCA.

Step 4 - Install the Replacement Fax PCA

  caution:
ESD-sensitive part.
Position the port end of the fax PCA (callout 1) in the slot provided in the formatter tray, rotate the fax PCA down onto the formatter (callout 2), and then push down on the PCA to seat the PCA into the connector on the formatter (callout 3).

Step 5 - Reinstall 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.
  2. Finger-tighten the two thumbscrews.

Step 6 - Test the Installation

  1. Do the following:
    1. Connect the power cable.
    2. Turn on the product.
  2. 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).

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