Xerox N2125N - DocuPrint B/W Laser Printer Manual de usuario

XEROX

Xerox DocuPrint N2125

Network Laser Printer Service Manual

721P52390

February 2000 This Service Manual contains information

that applies to the DocuPrint N2125 Laser

Printer.

CAUTION

These components are susceptible

to electrostatic discharge. Observe

all ESD procedures to avoid

damage.

Electrostatic Discharge

DocuPrint N2125 02/2000

iii

Initial Issue

Electrostatic Discharge

This caution indicates that there are components which are

sensitive to damage caused by electrostatic discharge.

Shock Hazard

This symbol indicates the presence of potentially hazardous

voltages.

Fuser Hazard

This symbol indicates the presence of extreme heat from the

Fuser Assembly.

Class 1 LASER Product

The DocuPrint N2125 laser printer is certified to comply with

Laser Product Performance Standards set by the U.S.

Department of Health and Human Services as a Class 1 Laser

Product. This means that this is a class of laser product that does

not emit hazardous laser radiation; this is possible only because

the laser beam is totally enclosed during all modes of customer

operation.

The laser and output of the laser scanner unit produces a beam

that, if looked into, could cause eye damage. Service procedures

must be followed exactly as written without change.

When servicing the machine or laser module, follow the

procedures specified in the manual and there will be no hazards

from the laser.

Laser (FDA): Any laser label visible to service must be

reproduced in the service manual with location shown or

indicated. Safe working procedures and clear warnings

concerning precautions to avoid possible exposure must also be

included.

The Laser contained in the DocuPrint N2125 meets the following

standard: Laser class 3B, maximum 5mW, wavelength 780nm.

The following LASER symbol will be displayed at the start of any

procedure where possible exposure to the laser beam exists.

LUOKAN 1 LASERLAITE

KLASS 1 LASER APPARAT

CAUTION

These components are susceptible

to electrostatic discharge. Observe

all ESD procedures to avoid

damage.

FM_001

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DocuPrint N2125

Table of Contents 02/2000

Initial Issue

Table of Contents

Title - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Page

Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - iv

Organization- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - v

Revision Control List - - - - - - - - - - - - - - - - - - - - - - - - - - viii

Service Call Procedures - - - - - - - - - - - - - - - - - - - - - - - - 1-1

Section Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1

Repair Analysis Procedures - - - - - - - - - - - - - - - - - - - - - 2-1

Section Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1

Image Quality Repair Procedures - - - - - - - - - - - - - - - - - 3-1

Section Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1

Repair/Adjustments - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1

Section Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1

Parts List - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-1

Section Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-1

General Procedures - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-1

Section Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-1

Wiring Data- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-1

Section Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-1

Introduction

The DocuPrint N2125 Service Manual is the primary document used for

repairing and maintaining the DocuPrint N2125 Laser Printer.

This manual contains Service Call Procedures, Diagnostic Procedures,

General Information, Repair Analysis Procedures, Image Quality

Analysis Procedures, Wiring Data, and Parts Lists that will enable the

Service Representative to repair DocuPrint N2125 failures.

Organization

DocuPrint N2125 02/2000

Initial Issue

Organization

This manual is divided into seven sections. The title and description of

each section of the manual is as follows:

Section 1 - Service Call Procedures

This section is used to identify a suspected problem. It contains

Machine Orientation, Call Flow, Initial Actions, Corrective Actions, and

Final Actions. This part of the service manual should always be used to

start the service call.

Section 2 - Repair Analysis Procedures

This section is used to isolate and identify problems to a faulty

component or subassembly. It contains the introduction, display

message table, error code tables and the Repair Analysis Procedures

(RAPs).

Section 3 - Image Quality

This section contains image quality repair procedures to assist in

correcting image quality defects. These procedures provide defect

samples and definitions to help identify the type of defect that exists,

the test pattern to use, and actions required to correct the defects.

Section 4 - Repair / Adjustment

This section contains the instructions for removal, replacement, and

adjustment of the spared parts within the machine.

Section 5 - Parts Lists

This section contains illustrations of disassembled subsystems and a

listing of the spared parts.

Part names are listed in this section of the manual even if the part itself

is not spared. All the parts that are spared will have the part number

listed. Parts that are not spared will not have a number listed.

Section 6 - General Procedures

This section includes the Operations Menu Map and the Service Mode

Menu Map. It includes all unique service operations, supplemental tools

and supplies.

Section 7 - Wiring Data

This section contains sensor, connector, and PWB location drawings;

power distribution diagrams, interconect diagrams, interconnect

diagrams and pin assignment information. This information is not

specific to individual procedures but is provided for general reference.

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DocuPrint N2125

Terminology and Symbols 02/2000

Initial Issue

Terminology and Symbols

The following is the terminology and symbols that are used in this

manual for Warnings, Electrostatic Device or General Cautions, and

Notes.

Warning

This equipment complies with the requirements in Part 15 of FCC rules

for a class A computing device. Operation of the equipment in a

residential area may cause unacceptable interference to radio and TV

reception, requiring the operator to take whatever steps are necessary

to correct the interference.

Electrostatic Discharge

The following symbols indicates that there are components which are

sensitive to damage caused by electrostatic discharge.

Shock Hazard

This symbol indicates the presence of potentially hazardous voltages.

Fuser Hazard

This symbol indicates the presence of extreme heat from the Fuser

Assembly.

FM_001

Laser Product Certification

DocuPrint N2125 02/2000

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Initial Issue

Laser Product Certification

CAUTION

Use of controls or adjustments other than those specified in this manual

may result in an exposure to dangerous laser radiation.

The DocuPrint N2125 is certified to comply with Laser Product

Performance Standards set by the United States Department of Health

and Human Services as a Class 1 product. This means that it is a laser

product that does not emit dangerous laser radiation during any mode

of customer operation.

During servicing, the laser beam could cause eye damage if looked at

directly. Service procedures must be followed exactly as written without

change.

CAUTION

These components are susceptible

to electrostatic discharge. Observe

all ESD procedures to avoid

damage.

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Revision Control List

DocuPrint N2125 02/2000

viii

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Initial Issue

Product:

DocuPrint N2125 Laser Printer

Title:

Xerox DocuPrint N2125 Network Laser

Printer Service Manual

Part Number:

721P52390

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DocuPrint N2125 Revision Control List

02/2000

Page Revision Page Revision Page Revision Page Revision Page Revision Page Revision

Initial Issue

02/2000

1-1

DocuPrint N2125

Service Call Procedures

Initial Issue

1 Service Call Procedures

1.0 Introduction................................................................................................................1-3

1.1 Machine Orientation.................................................................................................. 1-3

1.2 Call Flow.................................................................................................................... 1-4

1.3 Initial Actions.............................................................................................................1-5

1.4 Corrective Actions..................................................................................................... 1-5

1.5 Final Actions.............................................................................................................. 1-7

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