Epson 5700i - EPL B/W Laser Printer Manuale utente

EPSON EPL-5700L/5700i

Monochrome Page Printer

SEPG99007

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Notice:

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electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION.

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The contents of this manual are subject to change without notice.

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

would greatly appreciate being informed of them.

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The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences

thereof.

EPSON is a registered 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.

PRECAUTIONS

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

DANGER

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

performing procedures preceded by DANGER Headings.

WARNING

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

The precautionary measures itemized below should always be observed when performing repair/maintenance procedures.

DANGER

1. ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES WHEN 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 EPSON

WARRANTY.

PREFACE

This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPL-5700L/5700i. The

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

the preceding page. The chapters are organized as follows:

CHAPTER 1. PRODUCT DESCRIPTIONS

Provides a general 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 troubleshooting.

CHAPTER 4. DISASSEMBLY AND ASSEMBLY

Describes the step-by-step procedures for disassembling and assembling 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 servicing the product.

CHAPTER 7. APPENDIX

Provides the following additional information for reference:

• Connector Pin Assignments

• Circuit Board Component Layout

• Exploded Diagrams and ASP List

• Circuit Diagram

Revision Status

Revision Issued Date Description

A September 2, 1999 First Release

EPL-5700L/5700i Revision A

Table of Contents

PRODUCT DESCRIPTION

FEATURES ................................................................................................... 8

BASIC SPECIFICATIONS .......................................................................... 10

PAPER SPECIFICATIONS ......................................................................... 15

PANEL OPERATION .................................................................................. 17

Power Switch .......................................................................................... 17

Control Panel .......................................................................................... 17

RAM EXPANSION ...................................................................................... 18

OPTIONS AND CONSUMABLE PRODUCTS ............................................ 19

OPERATING PRINCIPLES

OPERATING PRINCIPLES OF MECHANISM ........................................... 21

ELECTRIC CIRCUIT ................................................................................... 22

Operating Principles of Controller .......................................................... 22

TROUBLESHOOTING

OVERVIEW ................................................................................................. 26

Overview ................................................................................................ 26

Electric Check Point ............................................................................... 26

HANDLING SERVICE CALL ERRORS ...................................................... 27

Service Call Error Conditions ................................................................. 27

Error LED Lamp ..................................................................................... 27

Error Code Display and Remedies ......................................................... 27

DISASSEMBLY AND ASSEMBLY

OVERVIEW ................................................................................................. 30

DISASSEMBLY AND ASSEMBLY ............................................................. 31

Control Panel Removal .......................................................................... 31

Top Cover Removal ............................................................................... 31

Main Control Board Removal ................................................................. 33

ADJUSTMENTS

MAINTENANCE

APPENDIX

CONNECTOR PIN ASSIGNMENTS ........................................................... 39

CIRCUIT BOARD COMPONENT LAYOUT ............................................... 41

EXPLODED DIAGRAMS & ASP LIST ....................................................... 42

Exploded Diagrams ................................................................................ 42

ASP List ................................................................................................. 50

CIRCUIT DIAGRAM .................................................................................... 54

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PRODUCTDESCRIPTION

EPL-5700L/5700i Revision A

PRODUCT DESCRIPTION FEATURES 8

1.1 FEATURES

The following shows features of EPL-5700L/5700i.

ENGINE

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Compact, lightweight A4 engine

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600 dpi resolution, 8 ppm printing speed

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Standard paper feeding is by a cassette-like universal paper tray (150

sheets) and a manual feed tray (1 sheet).

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Optional paper feeding is by a A4 or LT lower paper feeder unit (500

sheets).

CONTROLLER

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A newly developed host-based controller

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CPU: TMP95C001, TOSHIBA

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EDO RAM or FastPage RAM (60 ns)

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Interface

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ECP compatible parallel I/F which conforms to IEEE 1284

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USB interface

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Mounted with RITech, Enhanced MicroGray

An underline error may occur when printing a complicated image with

600 dpi Enhanced MicroGray printing.

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Mounted with Toner Save Mode

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Mounted with bi-directional I/F (IEEE1284)

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A host -based printer is possible.

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Data compression technology

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By sending compressed data from the host, printing with a 2MB

memory is possible.

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The compressed data is expanded in real-time by the expansion

circuit and transferred to the engine.

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Speed is enhanced by compressed data expansion hardware.

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The following functions can be upgraded and speed can be increased

by RAM SIMM expansion.

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Enhanced MicroGray printing

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Receive buffer capacity

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Printing speed

RESTRICTIONS / DIFFERENCES WITH EPL-5700

1. A network I/F, including external attachment cannot be used.

2. Fonts are not installed.

3. The emulation is not installed.

4. Only the Windows 95/98, Windows NT 4.0 and Macintosh operating

systems (8.1 or later) are supported.

5. The ROP and fill methods change, so there may be differences in

the output.

6. When using halftones, the printed image may be different.

7. There are differences with operation when “Toner out” occurs.

8. The driver UI is different.

9. It can only be connected to a Macintosh with a standard USB

connection. Optional USB board is not guaranteed.

10. With the standard memory, printing at 600 dpi with MicroGray ON

may not be possible. Also, for a host that is not capable of ECP

communication, printing may not be possible with standard memory.

11. The printer status can be displayed on the screen and printing is

possible upon user’s request.

EPL-5700L/5700i Revision A

PRODUCT DESCRIPTION FEATURES 9

12. The recommended host environments are:

Windows:

Pentium 233 MHz and 64 MB RAM or more

Macintosh:

G3 233 MHz and 64 MB RAM or more

13. For Windows NT 4.0, EPSON Printer Port Monitor must be installed

to use ECP.

14. Even if the option RAM is expanded by 16 MB or more, only a

maximum of 13 MB is valid.

15. When using parallel connection, printing is not possible if bi-

directional communication is hindered by the following conditions.

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There is a printer selecting switch between the PC and the

printer for parallel connection.

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Old PC that does not support bi-directional communication is

used.

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Unspecified cables are used.

16. If there is no paper in the MP tray, the paper size will become

unclear.

17. Status sheet printing cannot be performed by the printer itself.

18. The printer cannot be shared in a Macintosh network.

EPL-5700L/5700i Revision A

PRODUCT DESCRIPTION BASIC SPECIFICATIONS 10

1.2 BASIC SPECIFICATIONS

The EPL-5700L/5700i is a compact host-based A4 monochrome page

printer that is driven by laser and digital photographic technology. The

following shows basic specifications.

PROCESS

Print Method: Dry Mono-component Electrophotographic Method

Light Source: Semiconductor Laser

Photoelectric Unit: OPC Drum (Organic Photoconductor)

Charge: Rotating Brush Charging Type

Developer: Exposed Section Developer System

Toner Mono-component Nonmagnetic Toner

Transfer Method: Roller Transfer

Fixing: Heat Roller System

Density Regulator: Developer Bias Variation System (can be

regulated by user)

Resolution: 600 dpi

PRINTING SPEED

Printing Speed: 8 ppm (A4/B5/A5 Vertical Feed)

First Print: 19 seconds (A4 Vertical Feed)

18.2 seconds (B5)

17.3 seconds (A5)

Warm-up Time: 20 seconds or less (at 23 °C, standard voltage)

PRINTABLE AREA

Print Area: Area within margins of 4mm from each side (See

Figure 1-1 below)

Figure 1-1. Printable Area

Printable Area

4mm4mm

4mm 4mm

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