Xerox WorkCentre 5020 Service Documentation page 5

How To Use This Manual
This manual is used as the standard service manual for the WorkCentre 5020.
Enter any comments and/or corrections regarding the WorkCentre 5020 service manual on the
Publication Comment Sheet, and send it to the Technical Support Center SDEG.
This manual describes the standard procedures for servicing the WorkCentre 5020. Refer to
Section 1 Service Call Procedure for efficient and effective servicing during maintenance calls.
Contents of Manual
This manual is divided into nine sections as described below.
Section 1 Service Call Procedures
This section describes the structured process for determining the type and sequence of actions
that are performed during a service call.
Section 2 Status Indicator RAPs
This section contains the Repair Analysis Procedures (RAPs) necessary to repair all faults
other than image quality faults.
Section 3 Image Quality RAPs
This section contains the Repair Analysis Procedures (RAPs) that are used to diagnose image
quality defect problems.
Section 4 Removal/Replacement and Adjustment Procedures
This section contains the removal, replacement, and adjustment procedures for components of
WorkCentre 5020.
Section 5 Parts List
This section contains a list of spare parts list for the WorkCentre 5020.
Section 6 General Procedures/Information
This section contains frequently used procedures that relate to the diagnosis, setup, or opera-
tion of the machine. It also contains pertinent information that will not be found in any other
part of the service documentation.
Section 7 Wiring Data
This section contains the wiring information for the WorkCentre 5020. It contains a connector
list/locator, wirenet diagrams, and Block Schematic Diagrams (BSDs) for the following chains:
Chain 1 Standby Power
Chain 2 Mode Selection
Initial Issue
WorkCentre 5020
Chain 3 Machine Run Control
Chain 4 Start Print Power
Chain 6 Imaging
Chain 7 Paper Supplying
Chain 8 Paper Transportation
Chain 9 Marking
Chain 10 Fusing and Copy Transportation
Description of Terminology and Symbols
The terminology and symbols used throughout this service manual are described as follows:
A Warning statement indicates an operating or maintenance procedure, practice, or
condition that, if not strictly observed, could result in personal injury or loss of life.
A Caution statement indicates an operating or maintenance procedure, practice, or condition
that, if not strictly observed, could result in damage to, or destruction of, equipment.
NOTE: A Note statement indicates an operating or maintenance procedure, practice, or condi-
tion that is necessary to accomplish a task efficiently.
Reference:
Used when other explanations are given.
Purpose:
Used to describe the purposes of adjustment and troubleshooting.
REP:
Indicates the removal/replacement procedure for reference.
ADJ:
Indicates the adjustment procedure for reference.
PL:
Indicates the parts list for reference.
ASSY:
Means Assembly.
Safety Critical Components (SCC):
These are components, such as electrostatic-sensitive IC chips, which could be damaged if not
handled properly. Follow the regulations regarding Safety Critical Components set by FUJI
XEROX Co., Ltd.
July, 2007
iii
WARNING
CAUTION
Introduction