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Make/Model Information:

  • Brand:   Xerox
  • Models included:
    • Xerox Docuprint N4525

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   906
  • File size:  ∼ 15.00  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMXX-1005

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™ Docuprint N4525
Service
Quick Reference Guide
(Book1)
Book II
Book II contains technical information for all options for the N4525 Network
Laser Printer. Information for each option is contained in a separate volume as
see below.
Volume 2 - High Capacity Feeder (HCF)
This section contains information specific to the HCF with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?2-?.
Volume 3 - Duplex Unit (DUP)
This section contains information specific to the DUP with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and Wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?3-?.
Volume 4 - Envelope Feeder (ENV)
This section contains information specific to the ENV with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and Wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?4-?.
Volume 5 - Face Up Bin (FUB)
This section contains information specific to the FUT with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and Wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?5-?.
Volume 6 - Finisher (FIN)
This section contains information specific to the FIN with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and Wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?6-?.
Table of Contents i
Table of Contents
Table of Contents
List of Figures
List of Tables
General Information˙1 - 1
DocuPrint® N4525 Network Laser Printer Overview˙
Parts of the Printer
Control Panel
Rear Panel˙
Print Engine Assemblies
Paper Path
About This Manual
General Specifications˙
RAM and printer capabilities
Physical Dimensions
Electrical Specifications˙
Environmental Specifications˙
Regulatory Specifications
Functional Specifications˙
Printing Speeds: First Sheet Out
Printing Speeds: Continuous Printing After the First Sheet Out˙
Paper Input Devices
Paper Output Devices
Printing Media Specifications˙
Special Media:
Print Media
Xerox Supplies and Accessories
Error Codes and Messages 1 - 29
Error messages
Service Flowchart
The Repair Analysis Procedure Table
How to Use a Repair Analysis Procedure Table
How to Follow a Repair Analysis Procedure
General Notes on Using Repair Analysis Procedures
Before Starting the Error Code Repair Analysis Procedures:˙
Repair Analysis Procedures (RAP)
System Controller Error Codes
Troubleshooting 1 - 103
Printer Performance Problems Repair Analysis Procedure (RAP) Table
Image Quality Problems Repair Analysis Procedure (RAP) Table
Electrical Interference Repair Analysis Procedure (RAP) Table
Printer Performance Problems
Image Quality Problems
Electrical Interference Problems
Diagnostics, Test Prints, Service Tests and NVRAM Adjustments 1 - 149
Maintenance Reset Procedure˙
1-102 DocuPrint˙N4525 Network Laser Printer - Service Guide
RAP 1-47
Error Code J8-5 CRUM Failure
Replace CRU
A Laser Print (EP) Cartridge memory communication error occurred.
Logic Control on the Print Engine Controller Board sensed a wrong or a counterfeit
Laser Print (EP) Cartridge.
Table 1-75 Error Code J8-5 CRUM Failure Replace CRU
Step Actions and Questions Yes No
1 LASER PRINT (EP) CARTRIDGE
REPLACEMENT
Replace the Laser Print (EP) Cartridge with a different
Does the error code still appear?
Go to step 2 Problem
solved
2 PRINT ENGINE CONTROLLER BOARD
REPLACEMENT
Replace the Print Engine Controller Board (RRP 1-72).
Does the error code appear?
Go to step 3 Problem
solved
3 The f
ollowing printer components and areas are
associated wi
th this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one at
a time, until you isolate and solve the problem.
Wiring and connectors linking the components
Input/Output Board (RRP 1-70).
1-180 DocuPrint˙N4525 Network Laser Printer - Service Guide
Blank Page
DocuPrint
N4525 Network Laser Printer
Blank Page
Manual Organization
This Service Quick Reference Guide (QRG) is divided into two volumes.
Book I
Book I of the QRG contains technical information for the N4525 Print Engine
(Volume 1), as well as complete Error Code and Repair Analysis Procedures
(RAPs) for the Print Engine and all options for the printer. Information specific to
each option is repeated in that option?s volume.
NOTE: All pages, figures, tables, RAPs, RRPs (Remove and Replace Procedures)
and Parts List numbers are preceded by a ?dash? number, indicating the volume
number for that module according to the following legend
Volume 1 - Print Engine
Frontis - Introductory, Safety and Regulatory Information
This is the section you are reading at this moment. It contains important safety
rmation regarding technical components, regulatory agency requirements
and information about this manual, which is applicable to both Books I and II.
Section 1 - General Information
This section contains a general overview of the printer and basic information
regarding
RAM, print engine illustrations (major assembly locations, sensor
locations, general views, etc.), printer specifications and vital information
regarding service call procedures.
Section 2 - Error Codes and Messages
Information regarding certain Error Codes and Messages for conditions the user
may not be awar
e of, or conditions that exist which may not yet be made
apparent by printer performance or by image quality. Also contained in this
section is a vital error table which references Repair Analysis Procedures (RAPs)
for the Printer and all options, and referring the reader to appropriate sections in
each option manual supplement. In addition, there is additional, but valuable,
information on how to use the Repair Analysis Procedures for the Print Engine
and the options.
Volume Module
1 Print Engine
2 High Capacity Feeder
3 Duplex Unit
4 Envelope Feeder
5 Face Up Bin
6 Finisher
Section 3 - Troubleshooting
This section specifically discusses the most common problems (using additional
Repair Ana
lysis Procedures) encountered in the following areas:
Printer Performance Problems
Image Quality Problems
Electrical Interference Problems.
Section 4 - Diagnostics, Test Prints, Service Tests & NVRAM Adjustments
This section provides a wide variety of test prints to assist in evaluating and/or
troubleshooting the pri
nter and options. Also provided are many accessed
diagnostic tests and adjustments to assist in analyzing, adjusting registration and
fine tuning the printer and options performance.
Section 5 - Cleaning and Maintenance
A quick guide to routine cleaning and maintenance for the printer and options.
Section 6 - Key FRU Removal and Replacement Procedures
This large section provides many procedures and illustrations for removing and
replacing ke
y Field Replaceable Units (FRUs) within the print engine. Option
specific Removal and Replacement Procedures (RRPs) appear in the Volume 2
manual supplement for each option. For more detailed procedures, please refer
to the CD version of the service manual.
Section 7 - FRU List
This is the parts list for the Field Replaceable Units. This section contains
explod
ed views of the FRUs as well as part numbers for items available as FRUs.
Section 8 - Plug/Jack Connector Locations
This section contains a connector table and several locator illustrations to aid in
identifying all electrical conn
ections within the printer and options.
Section 9 - Wiring Diagram
The Master Wiring Diagram is contained in this section. Please refer to the CD
version
of the service manual for additional diagrams.
Book II
Book II contains technical information for all options for the N4525 Network
Laser Printer. Information for each option is contained in a separate volume as
see below.
Volume 2 - High Capacity Feeder (HCF)
This section contains information specific to the HCF with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this section are
preceded by a ?2-
Volume 3 - Duplex Unit (DUP)
This section contains information specific to the DUP with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and Wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?3-?.
Volume 4 - Envelope Feeder (ENV)
This section contains information specific to the ENV with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and Wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?4-?.
Volume 5 - Face Up Bin (FUB)
This section contains information specific to the FUT with General Information,
Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and Wiring information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?5-?.
Volume 6 - Finisher (FIN)
This section contains information specific to the Finisher with General
Information, Error Codes, RAPs, RRPs, Parts Lists, Plug/Jack Locators and Wiring
information.
NOTE: All page, figure, table, RAP, RRP and Parts List numbers for this
ion are preceded by a ?6-?.
Service Guide i
Table of Contents
Table of Contents˙
List of Figures
List of Tables˙
High Capacity Feeder
High Capacity Feeder Overview˙
General Information˙
The High Capacity Feeder Paper Path
Error Codes and Messages
Error messages
High Capacity Feeder Error Code Table
Troubleshooting
FRU Removal and Replacement Procedures (RRPs)˙
Preparation
FRU Parts List
PL12 & PL13 High Capacity Feeder Parts List
Using the Parts List
Plug/Jack Connectors
P/J Location Table˙
P/J Location Map 1˙
P/J Location Map 2˙
Wiring Diagrams and Signal Information
High Capacity Feeder Master Wiring Diagram
BD1 High Capacity Feeder Board´Tray 5 Components
BD2 HCF Board - HCF Tray 3 and Tray 4 Components
Duplex Unit
General Information˙
Continuous Printing Speed
Paper Path˙
Duplexer Unit Assemblies and Sensors
Error Codes and Messages
Error messages
Duplex Unit Error Code Table


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