Preface; Definitions - Lexmark E238 Service Manual

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Preface

This manual contains maintenance procedures for service personnel. It is
divided into the following chapters:
1. General information contains a general description of the MFP and
the maintenance approach used to repair it. Special tools and test
equipment are listed, as well as general environmental and safety
instructions.
2. Diagnostic information contains an error indicator table, symptom
tables, and service checks used to isolate failing field replaceable units
(FRUs).
3. Diagnostic aids contains tests and checks used to locate or repeat
symptoms of MFP problems.
4. Repair information provides instructions for making MFP adjustments
and removing and installing FRUs.
5. Connector locations uses illustrations to identify the connector
locations and test points on the printer.
6. Preventive maintenance contains the lubrication specifications and
recommendations to prevent problems.
7. Parts catalog contains illustrations and part numbers for individual
FRUs.

Definitions

Note: A note provides additional information.
Warning: A warning identifies something that might damage the product
hardware or software.
CAUTION: A caution identifies something that might cause a servicer
harm.
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Service Manual
CAUTION: When you see this symbol, there is a danger from
hazardous voltage in the area of the product where you are
working. Unplug the product before you begin, or use caution
if the product must receive power in order to perform the task.