Epson epl 500 schematic

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EPSON EPL-N1600 Option

500 Sheets Feeder

Notice

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EPSON is a re

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

hts reserved. No part of t his manual may be r eprod uced, st ored in a r etri eval sy ste m, or t ransmit ted in any for m or by an y means el ectroni c,

All ri mechanical, photocopyin

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 being informed of them. The contents of this manual are subject to chan 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 being informed of them. The above not withstandin

thereof.

istered trademark of SEIKO EPSON CORPORATION.

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

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

e without notice.

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

PRECAUTIONS

Precautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment.

DANGER

WARNING

The precautionary measures itemized below should always be observed when performin

Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performin

Signals a precaution which, if ignored, could result in damage to equipment.

procedures preceded by DANGER Headings.

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 bas ic funct ions, the ory of elect rical a nd mecha nic al operati ons, mai ntenance and repa ir pr ocedur es of th e 500 Sheet s Feeder for the 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 preceding page.

Contents

This manual consists of six chapters and Appendix.

CHAPTER 1. PRODUCT DESCRIPTIONS

Provides a 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

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

APPENDIX

Provides the followin reference:

• Connector pin assi

• Electric circuit boards components layout

• Exploded dia

• Electrical circuit boards schematics

eneral overview and specifications of the

and assembling the product.

the product.

additional information for

nments

ram

Symbols Used in This Manual

Various symbols are used throughout this manual either to provide additional information on a specif ic topic or to warn of possible dan present durin they are used, and always read WARNING, CAUTION or NOTE

CHECK

PO IN T

es.

messa

W ARNING

CAUTION

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

Indicates an operatin or condition that, if not strictly observed, could result in injury or loss of life.

Indicates an operatin or condition that, if not strictly observed, could result in dama

May indicate an operatin 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 resul ts achieved throu

e to, or destruction of, equipment.

h a previous action.

or maintenance procedure, practice

or maintenance procedure, practi ce,

or maintenance procedure,

Revision Status

Revision Issued Date Description

Rev. 0 August 17, 1998 Prelimina ry release. (intended for service training purpose only) Rev. A October 30, 1998 First release.

EPSON EPL-N1600

Product descriptions

OVERVIEW ..................................... ...... ....... ...... ....... ...... ............................... 8

Basic specificatio n ........................ ...... ....................................... ..... 8

Paper specification.......................................................................... 8

Reliability/Durability/s ervicea bil it y ................................. ....... ...... ..... 8

demension and wei

ht..................................... ....... ........................ 8

Operating Principles

OVERVIEW .................................................................................................. 10

Paper Transportation............................................................................... 10

Drive Power Transmission ...................................................................... 12

Function of Major Components............................................................... 13

Paper Jam Detection............................................................................... 14

Troubleshooting

Disassembly and Assembly

OVERVIEW .................................................................................................. 18

Precautions ............................................................................................. 18

Tools........................................................................................................ 18

Removin

Frame 500 Removal................... ...... ....... ...... ....... ...... ....... ...................... 20

Solenoid Pick-Up Removal...................................................................... 21

Cover-L 500............................................................................................. 22

PWB Assembly Size 500 Removal ......................................................... 23

Feeder Assembly 500 ............................................................ 19

Adjustment

Maintenance

Appendix

Connector Location ...................................................................................... 30

Master Wirin Exploded Dia

Diagram................................................................................. 31

ram........................................................................................ 32

500 SHEET FEEDER (Optional)................................................... 32

Rev. 0 6

PRODUCT DESCRIPTIONS

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EPSON EPL-N1600/500 Sheets Feeder Chapter 1 Product descriptions

1.1 OVERVIEW

This section describes the specification of the 500 Sheets feeder.

BASIC SPECIFICATION

Paper Separation: By paper separation claw Drive Source: Driven by the base printer Speed: <With sin

A4 = 15.2PPM / Letter = 16.0PPM <With duplex printin A4 = 7.8PPM / Letter = 8.0PPM

Paper Feed Ori

PAPER SPECIFICATION

Paper Type: <Standard Paper>

Paper Size: A4 (210 x 297mm)

in: Left edge of sheet

Xerox 4024DP 20 lb. (75 <Normal Paper> 60 - 105

- PPC Paper

- Bond paper

- Recycled paper

Letter (8.5 x 11 inch) G-Le

al (8.5 x 14 inch)

le side printing>

/m2) paper

/m2 (16 - 28 lbs.)

al (8.5 x 13 inch)

RELIABILITY/DURABILITY/SERVICEABILITY

MPBF: 120,000 sheets or more MTBF: 3,000 hours or more Life: 300,000 sheets or 5 years

(whichever comes first)

Paper Feed Reliability *1:<Jam rate>

1/3000 sheets or less (1/2000 or less : Duplex printin <Misfeed> 1/3000 sheets or less (1/2000 or less: Duplex printin <Multiple sheet feed> 1/800 sheets or less <Folded coners> 1C or more at 1/1000 sheets or less (1C or less is not included)

)

NOTE:

*1:With recommended paper and normal conditions

MTTR: 30 minutes or less

DEMENSION AND WEIGHT

Dimension: 396 x 389 x 114 mm (W x D X H) Wei

ht: 4.6 Kg (Feeder + Cassette)

)

Rev. 0 8

OPERATING PRINCIPLES

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EPSON EPL-N1600/500 Sheets Feeder Chapter 2 OPERATING PRINCIPLES

2.1 OVERVIEW

This section describes the operating principles of the 500 Sheets feeder unit.

2.1.1 Paper Transportation

Paper that is fed from the 500 Sheet Feeder is transported through the printer alon

the paper path shown in the Figure right.

Figure 2-1. Paper Path

Rev. 0 10

+ 22 hidden pages