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HP LaserJet Enterprise MFP M527, HP LaserJet Managed MFP E52545 - Removal and replacement: Fax printed-circuit board (c/f/z)

note:
M527c/f/z printers only (optional for the M527dn).

Introduction

This document provides the procedures to remove and replace the fax printed-circuit board (M527c/f/z).

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.
  caution:
This part contains components that are electrostatic discharge (ESD) sensitive. To reduce the possibility of ESD damage, always touch the sheet-metal chassis to ground yourself before touching an ESD sensitive part.
Use the table below to identify the correct part number for your printer. To order the part, go to www.hp.com/buy/parts.
Fax printed-circuit board (M527c/f/z) kit part number
B5L53-67901
Fax printed-circuit board (M527c/f/z) with instruction guide

Required tools

No special tools are required to install this part.

After performing service

Turn the printer power on
  • Connect the power cable.
  • Use the power switch to turn the power on.

Post service test

Make sure that the printer initializes to a Ready state.
Print a configuration page to make sure that the printer is functioning correctly.

Step 1: Remove the formatter cover

  1. Slide the cover toward the rear of the printer to remove it.
    Figure : Remove the formatter cover

Step 2: Remove the fax printed-circuit board (PCA)

  caution:
ESD-sensitive part.
note:
M527c/f/z printers only (optional for the M527dn).
  1. Disconnect three connectors (callout 1).
    Figure : Disconnect three connectors
  2. Pinch the retainer to release it.
    Figure : Release the fax PCA
  3. Rotate the connector end of the fax PCA out and away from the formatter (callout 1), and then slide it as shown (callout 2) to remove it.
    Figure : Remove the fax PCA

Step 3: Unpack the replacement fax PCA

Unpack the replacement assembly from the packaging.
  caution:
ESD-sensitive part.
note:
HP recommends responsible disposal of the defective assembly.
Figure : Recycle and unpack illustration

Step 4: Install the fax PCA

  caution:
ESD-sensitive part.
note:
M527c/f/z printers only (optional for the M527dn).
  1. Before proceeding, take note of the location of the slots (callout 1) in the sheet-metal where the fax PCA cradle mounting tab and fax port (callout 2) must be installed.
    Figure : Locate the slots in the sheet-metal
  2. Insert the fax PCA cradle mounting tab and fax port in the slots in the sheet-metal plate (callout 1), and then rotate the connector end of the fax PCA toward the formatter (callout 2).
    Figure : Install the fax PCA
  3. Engage the retainer with the slot in the formatter.
    note:
    Pinch the retainer to easily engage it with the slot.
    Figure : Engage the fax PCA
  4. Connect three connectors (callout 1).
    Figure : Connect three connectors

Step 5: Install the formatter cover

  1. Slide it toward the front of the printer to install it.
    Figure : Install the formatter cover

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