Epson EPL-N1600 Option User manual

EPSONEPL-N1600

A4 Network Laser Printer

4009770



Notice



All ri

hts reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means electronic,

mechanical, photocopyin

, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION.



All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would

reatly appreciate bein

informed of them.



The contents of this manual are subject to chan

e without notice.



All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would

reatly appreciate bein

informed of them.



The above not withstandin

SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences

thereof.

EPSON is a re

istered trademark of SEIKO EPSON CORPORATION.

General Notice: Other product names used herein are for identification purpose only and may be trademarks or registered trademarks of their

respective owners. EPSON disclaims any and all rights in those marks.

Copyri

PRECAUTIONS

Precautionary notations throu

hout the text are cate

orized relative to 1)Personal injury and 2) dama

e to equipment.

DANGER

nals a precaution which, if i

nored, could result in serious or fatal personal injury. Great caution should be exercised in

performin

procedures preceded by DANGER Headin

WARNING

nals a precaution which, if i

nored, could result in dama

e to equipment.

The precautionary measures itemized below should always be observed when performin

repair/maintenance procedures.

DANGER

1. ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY

MAINTENANCE OR REPAIR PROCEDURES.

2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES AS DICTATED

FOR ALL ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK.

3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL

INSTRUCTED TO DO SO. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON

POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS.

WARNING

1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN.

2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/

RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT

CONNECT IT TO THE POWER SOURCE.

3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR

REPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.

4. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS

ANTI-STATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS.

5. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE; INTRODUCTION OF

SECOND-SOURCE ICs OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE

1. EPSON WARRANTY.

About This Manual

This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPL-N1600. The

instructions and procedures included herein are intended for the experienced repair technicians, and attention should be

iven to the precautions on

the precedin

Contents

This manual consists of six chapters and Appendix.

CHAPTER 1. PRODUCT DESCRIPTIONS

Provides a

eneral overview and specifications of the

product.

CHAPTER 2. OPERATING PRINCIPLES

Describes the theory of electrical and mechanical

operations of the product.

CHAPTER 3. TROUBLESHOOTING

Provides the step-by-step procedures for

troubleshootin

CHAPTER 4. DISASSEMBLY AND ASSEMBLY

Describes the step-by-step procedures for

disassemblin

and assemblin

the product.

CHAPTER 5. ADJUSTMENTS

Provides Epson-approved methods for adjustment.

CHAPTER 6. MAINTENANCE

Provides preventive maintenance procedures and the

lists of Epson-approved lubricants and adhesives

required for servicin

the product.

APPENDIX Provides the followin

additional information for

reference:

• Connector pin assi

nments

• Electric circuit boards components layout

• Exploded dia

ram

• Electrical circuit boards schematics

Symbols Used in This Manual

Various symbols are used throu

hout this manual either to provide

additional information on a specific topic or to warn of possible dan

present durin

a procedure or an action. Be aware of all symbols when

they are used, and always read WARNING, CAUTION or NOTE

messa

es.

Indicates an operatin

or maintenance procedure, practice

or condition that, if not strictly observed, could result in

injury or loss of life.

Indicates an operatin

or maintenance procedure, practice,

or condition that, if not strictly observed, could result in

dama

e to, or destruction of, equipment.

May indicate an operatin

or maintenance procedure,

practice or condition that is necessary to accomplish a task

efficiently. It may also provide additional information that is

related to a specific subject, or comment on the results

achieved throu

h a previous action.

W ARNING

CAUTIO N

CHECK

PO INT

Safety Information

To prevent accidents durin

a maintenance procedure, strictly observe

the Warnin

s and Cautions. Do not do anythin

that is dan

erous or not

within the scope of this document.

Do not do anythin

that is dan

erous even if not specifically described

in this manual. In addition to the descriptions below and those

iven in

this manual, there are many situations and circumstances that are

dan

erous. Be aware of these when you are workin

with the printer.

Safety Precautions

POWER SUPPLY AND ELECTRICAL COMPONENTS

Before startin

any service procedure, turn off the printer and unplu

the power cord from the wall outlet. If you must service the printer when

the power is applied, be aware of the potential for electrical shock and

do all tasks by followin

the procedures in this manual.

W ARNING

Do not touch electrical components on the HPS unless

you are instructed to do so by a service procedure.

MECHANICAL COMPONENTS

If you service a drivin

assembly (e.

ears), first turn off the power

and unplu

the power cord. Then manually rotate the assembly.

Safety Components

The printer is equipped with safety components (e.

., interlock

switches, fuses, thermostat) and safety switches for protectin

users

and service personnel from injury and the equipment from dama



Interlock Switch

The interlock switch opens to interrupt +24VDC and +5V-LD (Laser

diode drive) from the power supply circuit (HPS) to the controller

circuit (C258MAIN) when the Cover Assy. Exit is open.

Do not touch the driving part (e.g., gears) while the

assembly (printer) is being driven.

W ARNING

Warning/Caution Labels

WARNING and CAUTION labels are stuck on dan

erous parts in the

printer to make you aware of the potential dan

ers that are present

when you are workin

with those parts.

ROS ASSY.

The laser beam used in this printer is invisible and it has a narrower

frequency band and more coherent phases than any other li

(sunli

ht, electric li

ht). It has excellent monochromaticity and

conver

ence. A thin laser beam reaches lon

distances. Because of its

conver

ence characteristic, the laser beam conver

es into one point,

causin

h density and hi

h temperature. A laser beam is harmful to

the human body.

W ARNING



Do not expose yourself to the laser beam to prevent

injury (blindness).



Do not open the cover that has the laser beam

warning label.



If you disassemble or assemble the printer, turn off

the power.



If you need to work on the printer with power applied,

strictly follow the instructions in this manual.



Understand how the laser beam functions and take

maximum precautions not to injure yourself or anyone

around you.

FUSER ASSY.

To prevent you from becomin

injured or burned, do the followin

before workin

with a hi

h temperature Assembly (e.

., Fuser

Assembly):



turn off the printer.



Unplu

the power cord.



Wait until it cools down.

W ARNING

The high temperature Assembly is very hot

immediately after any printer operations. Wait at least

40 minutes before you start working on the printer.

General Cautions



Some materials (e.

., Developer or Fuser Oil) may cause bodily

injury. Do not swallow or inhale these materials or allow them to

come in contact with the eyes.



Help to protect those around you and follow the prohibitions a

ainst

swallowin

or inhalin

those materials. Be careful to protect the

eyes at all times.



Place a sheet under the printer so that the floor or workbench is

protected.

Revision Status

Revision Issued Date Description

Rev. 0 Au

ust 17, 1998 Preliminar

release. (intended for service trainin

purpose onl

)

Rev. A October 30, 1998 First issue.

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