About This Ma
The Phaser 8860/8860MFP Service Manual is the primary document used for diagnosing,
repairing, maintaining, and troubleshooting these systems. The Service Manual is the control-
ling publication for a service call. Information on using this document is found in the Introduc-
tion section. To ensure understanding of this product, complete the Xerox Service Training
Program for this particular system.
For manual updates, Service Bulletins, knowledge base, and technical support, visit
www.xerox.com/office/support.
Service Manual Revision
Updates are issued as the system changes or as corrections are identified.
Initial Issue
Phaser 8860/8860MFP Service Manual
Organization
The titles of the sections and a description of the information contained in each section are
contained in the following paragraphs:
Introduction and General Information
This section contains documentation organization, symbology and nomenclature, translated
warnings, safety symbols, regulatory specifications, and general information about the printer.
Section 1 Service Call Procedures
This section contains procedures to be taken during a service call 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 descriptions of the diagnostic aids for troubleshooting that include Power
On Self Test (POST), Built-in Self Tests (BIST), and Fault Code error procedures.
Section 3 Image Quality
This section contains the diagnostic aids for troubleshooting image quality problems, as well as
image quality specifications and image defect samples.
Section 4 Repairs/Adjustments
This section contains all the removal, replacement, and adjustments procedures.
Repairs
Repairs include procedures for removal and replacement of spare parts listed in the Parts List.
Use the repair procedures for the correct order of removal and replacement, for warnings, cau-
tions, and notes.
Adjustments
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, warnings, cautions and notes.
Section 5: Parts Lists
This section contains the illustrated Parts List.
Section 6: Diagnostic Information
This section contains details of the embedded Service Diagnostics test suite, as well as trou-
bleshooting procedures for system problems not related to a specific fault code.
Section 7: Wiring Data
This section contains drawings, lists of plug/jack locations, and diagrams of the power distribu-
tion wire networks in the machine. Individual wire networks are shown in the Circuit Diagrams
contained in Section 2. This section also contains the Block Schematic Diagrams.
Section 8: Theory of Operation
This section contains detailed functional information on the print engine components.
09/2007
Introduction
About This Manual, Organization
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