Removal and replacement: Control panel (556)
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Introduction
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Step 1: Removal the control panel (556)
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Step 2: Unpack the replacement assembly
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Step 3: Install the control panel (556)
Introduction
This document provides the procedures to remove and replace the control panel (556).
Before performing service
Turn the printer power o
◦
Disconnect the power cable.
WARNING! To avoid damage to the printer, turn the printer o, wait 30 seconds, and then remove the
power cable 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.
Control panel (M556) part number
G1W41-67907 Control panel (M556) with instruction guide
Required tools
NOTE: A reversible-shaft screwdriver is supplied with this kit.
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Torx driver (#10 with magnetized tip).
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Small at-blade screwdriver.
After performing service
Turn the printer power on
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Connect the power cable.
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Use the power switch to turn the power on.
Post service test
Make sure that the printer initializes to a Ready state.
Access the menus by using the printer control panel, and then print a conguration page to make sure that
the printer is functioning correctly.
Verify that the control panel is correctly functioning. See the control panel check section in the printer
troubleshooting manual.
68 Chapter 1 Removal and replacement ENWW
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