Xerox Phaser 3020, Service Manual

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June 2014
iii Xerox® Phaser® 3020 Printer Service Manual
About This Documentation
Introduction
About This Documentation
Introduction
The Xerox® Phaser® 3020 Service Manual is part of the multinational documentation for the
Xerox® Phaser® 3020 Printer. It is structured in standard Xerox service documentation format.
This manual is the primary document used for diagnosing, repairing, maintaining, and trouble-
shooting these systems. The Service Manual is the controlling publication for a service call.
Information on using this document is found in the Introduction section. To ensure understand-
ing of this product, complete the Xerox Service Training Program for this particular printer.
Organization
The Xerox® Phaser® 3020 Printer Service Manual is organized and defined within the follow-
ing sections:
Section 1 Service Call Procedures
This section contains procedures that determine what actions are to be taken during a
service call on the machine and in what sequence they are to be completed. This is the
entry level for all service calls.
Section 2 Status Indicator RAPs
This section contains the diagnostic aids for troubleshooting the Fault Code and non-Fault
Code related faults (with the exception of image quality problems).
Section 3 Image Quality Repair Analysis Procedures
This section contains the diagnostic aids for troubleshooting any image quality problems,
as well as image quality specifications and image defect samples.
Section 4 Repairs and Adjustments
This section contains the Adjustment and Repair procedures.
Repairs include procedures for removal and replacement of parts which have the following
special conditions:
• When there is a personnel or machine safety issue.
• When removal or replacement cannot be determined from the exploded view of the Parts
List.
• When there is a cleaning or a lubricating activity associated with the procedure.
• When the part requires an adjustment after replacement.
• When a special tool is required for removal or replacement.
Use the repair procedures for the correct order of removal and replacement, for warnings, cau-
tions, and notes.
Adjustments include procedures for adjusting the parts that must be within specification for the
correct operation of the system.
Use the adjustment procedures for the correct sequence of operation for specifications, warn-
ings, cautions and notes.
Section 5 Parts List
This section consists of a series of illustrations and an associated parts listing. Any part
that is spared or any part that must be removed to access a spared part is illustrated.
Common hardware is shown as a letter callout.
Section 6 General Procedures and Information
This section contains general information, change tag information, and general proce-
dures.
Section 7 Wiring Data
This section contains Block Schematic Diagrams (BSDs), Plug/Jack locations, Voltage
Specifications, and I/O Module locations and information.
Component Names
Names of parts that appear in the procedures may not be exactly the same as the names that
appear on the part or listed in the Parts List. For example: a part called the Registration
Assembly may appear on the Parts List as Assembly, REGI.