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HP LaserJet Enterprise Flow MFP M830 - Replace the fax printed-circuit assembly

Introduction
This document provides the procedures to remove and replace the fax printed-circuit assembly (PCA) for the HP LaserJet Enterprise Flow MFP M830.
  note:
Only MFP products have a fax PCA installed.
  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.
    Fax PCA Kit Part Numbers
    CF367-67911
    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.
        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.
    3. Disconnect all cables and accessories attached to the formatter.
  2. Separate the output accessory, if installed, by lifting up on the upper release latch and sliding it away from the product. The output accessory does not need to be removed.
    Figure : Separate the output accessory from the product
  3. Loosen the two thumbscrews on the formatter and pull the formatter out of the product.
    Figure : Remove the formatter
Step 2 - Remove the Fax PCA
  1. Locate the fax PCA that is installed on the formatter.
    Figure : Locate the fax PCA on the formatter
  2. Rotate the connector end of the fax PCA up and away from the formatter to release it.
    Figure : Release the fax PCA
  3. Carefully remove the fax PCA from the formatter bracket.
    Figure : Remove the fax PCA
Step 3 - Unpack the Replacement Fax PCA
Unpack the replacement fax PCA from the packaging.
  caution:
ESD-sensitive part.
  note:
HP recommends responsible disposal of the defective fax PCA.
Figure : Recycle and unpack illustration
Step 4 - Reinstall the Fax PCA
  1. Insert the fax port of the fax PCA into the holder on the formatter tray.
    Figure : Insert the fax port in the holder
  2. Rotate the connector end of the fax PCA in the direction of the arrow to install it.
    Figure : Install the fax PCA
Step 5 - Reinstall the Formatter
  caution:
ESD sensitive part.
  1. Align the guides on the top and bottom of the formatter with the rails on the product and slide the formatter in until it is fully seated.
    Figure : Install the formatter
  2. Finger-tighten the two thumbscrews.
    Figure : Tighten two thumbscrews
  3. Slide the output accessory, if installed, back into the closed position, making sure that no cables are caught between the output accessory and the product.
    Figure : Slide the output accessory back into the closed position
Step 6 - Test the Installation
  1. Do the following:
    1. Reconnect any removed interface cables.
    2. Plug in the power cord.
  2. Turn on the product.
    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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