Printronix L5020 Manual de usuario

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







P/N 706344–001, Rev. B

Communication Notices

Federal Communications Commission (FCC) Statement: This equipment has been tested and

found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference when the

equipment is operated in a commercial environment. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance with the instruction

manual, may cause harmful interference to radio communications. Operation of this equipment in

a residential area is likely to cause harmful interference, in which case the user will be required to

correct the interference at his own expense.

Properly shielded and grounded cables and connectors must be used in order to meet FCC

emission limits. Printronixris not responsible for any radio or television interference caused by

using other than recommended cables and connectors or by unauthorized changes or

modifications to this equipment. Unauthorized changes or modifications could void the user’s

authority to operate the equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two

conditions: (1) this device may not cause harmful interference, and (2) this device must accept

any interference received, including interference that may cause undesired operation.

Canadian Department of Communications Compliance Statement:

This Class A digital apparatus meets all requirements of the Canadian Interference–Causing

Equipment Regulations.

Avis de conformité aux normes du ministère des Communications du Canada:

Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le

matériel brouilleur du Canada.

European Union (EC) Electromagnetic Compatibility Directives: This product is in conformity

with the protection requirements of EC Council Directive 89/336/EEC on the approximation of the

laws of the Member States relating to electromagnetic compatibility. Printronixrcannot accept

responsibility for any failure to satisfy the protection requirements resulting from a

non-recommended modification of the product, including the fitting of non-Printronixroption

cards.

Dieses Gerät ist berechtigt in Übereinstimmung mit dem deutschen EMVG vom 9.Nov.92 das

EG–Konformitätszeichen zu furhren.

Properly shielded and grounded cables and connectors must be used in order to reduce the

potential for causing interference to radio and TV communication and to other electrical or

electronic equipment.

This product has been tested and found to comply with limits for Class B Information Technology

Equipment according to CISPR 22/European Standard EN 55022. The limits for Class B

equipment were derived for commercial and industrial environments to provide reasonable

protection against interference with licensed communication equipment.

Dieses Gerät erfüllt die Bedingungen der EN 55022 Klasse B.

Printronix, Inc. makes no representations or warranties of any kind regarding this material,

including, but not limited to, implied warranties of merchantability and fitness for a particular

purpose. Printronix, Inc. shall not be held responsible for errors contained herein or any

omissions from this material or for any damages, whether direct, indirect, incidental or

consequential, in connection with the furnishing, distribution, performance or use of this material.

The information in this manual is subject to change without notice.

This document contains proprietary information protected by copyright. No part of this document

may be reproduced, copied, translated or incorporated in any other material in any form or by any

means, whether manual, graphic, electronic, mechanical or otherwise, without the prior written

consent of Printronix, Inc.

Trademark Acknowledgements

Postscript is a trademark of Adobe Systems, Inc.

IBM is a registered trademark, and IPDS and PC–DOS are trademarks of

International Business Machines Corporation.

HP and PCL are registered trademarks of Hewlett-Packard Company.

Centronics is a registered trademark of Genicom Corporation.

Dataproducts is a registered trademark of Dataproducts Corporation.

Epson is a registered trademark of Seiko Epson Corporation.

Ethernet is a trademark of Xerox Corporation.

DuraFusion, IGP, LaserLine, LinePrinter Plus, PGL, and Printronix are

registered trademarks, and PSA is a trademark of Printronix, Inc.

Magnum and QMS are registered trademarks, and Code V is a trademark of

Quality Micro Systems, Inc.

Microsoft, GW-BASIC, MS, MS-DOS, and Windows are registered

trademarks, and QuickBASIC and QBASIC are trademarks of Microsoft

Corporation.

PhoenixPage PCL 5 is a registered trademark of Phoenix Technologies LTD.

PROCOMM is a registered trademark, and PROCOMM PLUS is a trademark

of DA

TASTORM TECHNOLOGIES, INC.

SELFOC is a registered trademark of Nippon Sheet Glass Co., Ltd.

Toray is a registered trademark, and Toraysee is a trademark of Toray

Industries, Inc.

CSA is a registered certification mark of the Canadian Standards

Association.

UL is a registered certification mark of Underwriters Laboratories, Inc.

This product uses Intellifont Scalable typefaces and Intellifont technology.

Intellifont is a registered trademark of Agfa Division, Miles Incorporated

(Agfa).

CG, Garth Graphic, Intellifont, and Type Director are registered trademarks,

and Shannon and CG Triumvirate are trademarks of Agfa Division, Miles

Incorporated (Agfa). CG Bodoni, CG Century Schoolbook, CG Goudy Old

Style, CG Melliza, Microstyle, CG Omega, and CG Palacio are products of

Agfa Corporation. CG Times, based on Times New Roman under license

from The Monotype Corporation Plc is a product of Agfa.

Univers is a registered trademark of Linotype AG and/or its subsidiaries.

Letraset is a registered trademark, and Aachen, Revue and University

Roman are trademarks of Esselte Pendaflex Corporation.

Futura is a registered trademark of Fundición Tipográfica Neufville, S.A.

ITC Avant Garde Gothic, ITC Benguiat, ITC Bookman, ITC Century, ITC

Cheltenham, ITC Clearface, ITC Galliard, ITC Korinna, ITC Lubalin Graph,

ITC Souvenir, ITC Tiepolo, ITC Zapf Chancery, and ITC Zapf Dingbats are

registered trademarks of International Typeface Corporation.

Albertus, Gill Sans, and Times New Roman are registered trademarks, and

Monotype Baskerville is a trademark of The Monotype Corporation Plc,

registered in the U.S. Pat. and TM office and elsewhere.

Hiroshige and Marigold are trademarks of AlphaOmega Typography, Inc.

Table of Contents

Volume 1

Table of Contents

Introduction

Printer Features 1–2.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Safety Precautions 1–4.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Printer Components 1–6.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Main Components 1–6.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Options 1–6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Consumables 1–7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Names of Components 1–8.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

External

iews 1–8.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Front

iew with Front Covers Open 1–9.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rear

iew with Rear Covers Open 1–10.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Component Locations 1–11.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Print Engine Operations and Adjustments 1–12.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Related Documents 1–12.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Principles of Operation

Principles of Operation 2–2.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Photoconduction Section 2–4.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Developing Section 2–9.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Transfer/Separation Section 2–14.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fixing Section 2–17.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning Section 2–18.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Paper Feed, Transport, and Output Sections 2–21.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Drive System Descriptions 2–27.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Drum Drive 2–28.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Developing Roller Drive 2–29.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Main Unit Feed Roller Drive 2–30.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Transfer/Separation Unit Drive 2–31.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ii Table of Contents

Tractor Drive 2–32.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Perforation Cutter Drive 2–33.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operational Sequences 2–34.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MPU Initialization 2–36.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Printing Operations 2–38.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical System and Adjustments

Printer Block Diagram 3–3.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sensors and Actuators 3–4.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input / Output Signals 3–6.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit Interface 3–8.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LED Array 3–8.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Flash Power Supply 3–15.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Developing Unit 3–22.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High-voltage (Corona) Power Supply 3–30.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Explanation of Circuits According to Function 3–38.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Drum Surface Potential Control Circuit 3–38.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Developing Bias Control Circuit 3–40.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Toner Density Control Circuit 3–42.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Drum Motor Control Circuit 3–44.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Drum Counter Circuit 3–46.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tractor Motor Control Circuit 3–47.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Main Unit Feed Motor Control Circuit 3–48.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Transfer Elevator Motor Control Circuit 3–49.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cutter Motor Control Circuit 3–51.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjustments 3–53

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MPU Board Switches 3–54.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MPU Board Test Points 3–55.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MPU Board Variable Resistors 3–56.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MPU Board Fuses 3–57.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MPU Board Connectors 3–59.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjusting the Eraser Lamp Input Voltage 3–60.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjusting the Toner Density Sensor 3–60.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting the MPU Board Rotary Switches 3–61.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjusting the Flash Power Supply 3–63.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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