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Overview
This section contains the removal and replacement procedures for selected parts of
the printer options package according to the Field Replaceable Units (FRUs) Parts
List. Not all replacement procedures are included in this Service Manual. In most
cases, to reinstall a part, simply reverse the removal procedure shown. In some
instances, replacement notes are included providing special steps. For specific
assemblies and parts, see the "Parts List" on page 6-1.
General Notes on Disassembly
Preparation
Before you begin any Removal and Replacement Procedure:
1.
Switch Off the printer power, as well as power to the Finisher and options.
2.
Wear an electrostatic discharge wrist strap to help prevent damage to the
sensitive electronics of the printer circuit boards.
Note
Names of parts that appear in the removal and replacement procedures may not
match the names that appear in the Parts List. For example, a part called the
Registration Chute Assembly in a removal procedure may appear on the Parts
List as Assembly, Chute REGI. When working on a removal procedure, ignore
any prerequisite procedure for parts already removed.
Caution
Many parts are secured by plastic tabs DO NOT over Flex or force these parts.
Do not over torque the screws threaded into plastic parts.
Always use the correct type and size screw. Using the wrong screw can damage
tapped holes. Do not use excessive force to remove or install either a screw or a
printer part.
Warning
Unplug the AC power cord from the wall outlet before removing any printer part.
5-2
Phaser 7400 Color Printer Options Service Manual
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Troubleshooting
