Digital Equipment LA75 plus companion User manual

LA75PlusCompanionPrinter

InstallationandUserGuide

Digital Equipment Corporation

First Printing, July 1991

The information in this document is subject to change without notice and should

not be construed as a commitment by Digital Equipment Corporation. Digital

Equipment Corporation assumes no responsibility for any errors that may appear

in this document.

The information in this document is subject to change without notice and should

not be construed as a commitment by Digital Equipment Corporation. Digital

Equipment Corporation assumes no responsibility for any errors that may appear

in this document.

The software described in this document is furnished under a license and may be used

or copied only in accordance with the terms of such license.

No responsibility is assumed for the use or reliability of software on equipment that is

not supplied by Digital Equipment Corporation or its afﬁliated companies.

Restricted Rights: Use, duplication, or disclosure by the U.S. Government is subject to

restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and

Computer Software clause at DFARS 252.227-7013.

Printed in U.S.A.

The postpaid Reader’s Comments forms at the end of this document request your critical

evaluation to assist in preparing future documentation.

Printed in Japan

The following are trademarks of Digital Equipment Corporation:

DEC DIBOL RSX

DEC/CMS EduSystem UNIBUS

DEC/EDI IAS VAX

DECnet MASSBUS VAXcluster

DECsystem-10 Message Router VMS

DECSYSTEM-20 PDP VT

DECUS PDT

DECwriter RSTS

IBM is a registered trademark, and IBM Proprinter is a trademark of International

Business Machines Corporation.

This document was prepared using VAX DOCUMENT, Version 1.2.

FCC NOTICE

This equipment generates and uses radio frequency energy and if not installed

and used properly, that is, in strict accordance with the manufacturer’s

instructions, may cause interference to radio and television reception. It has

been type tested and found to comply with the limits for a Class B computing

device in accordance with the speciﬁcations in Subpart J of Part 15 of FCC

Rules, which are designed to provide reasonable protection against such

interference in a residential installation. However, there is no guarantee that

interference will not occur in a particular installation. If this equipment does

cause interference to radio or television reception, which can be determined by

turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following methods.

Reorient the receiving antenna.

Relocate the computer or peripheral with respect to the receiver.

Move the computer or peripheral away from the receiver.

Plug the computer or peripheral into a different outlet so that they are on

different branch circuits than the receiver.

If necessary, the user should consult the dealer or an experienced ra-

dio/television technician for additional suggestions. The user may ﬁnd the

booklet How to Identify and Resolve Radio/TV Interference Problems, prepared

by the Federal Communications Commission helpful. This booklet is available

from the U.S. Government Printing Ofﬁce, Washington DC, 20402, Stock No.

004-000-00345-4.

To meet FCC requirements, a shielded parallel cable is required to connect the

device to a personal computer or other Class B device.

iii

Contents

Preface ..................................................... viii

1 Installing the Printer

1.1 Checking the Contents of the Box . . . ...................... 1–1

1.2 Site Considerations .................................... 1–3

1.3 A First Look at the Printer .............................. 1–4

1.3.1 Installing the Power Cord ............................ 1–6

1.3.2 Removing the Packing Material . . ...................... 1–7

1.3.3 Installing the Ribbon Cartridge . . ...................... 1–8

1.4 Testing the Printer ..................................... 1–11

1.5 Connecting the Printer to a Computer System. . .............. 1–16

1.5.1 Cables ........................................... 1–19

1.5.2 Printing a File ..................................... 1–19

1.5.3 If You Have Difﬁculties Printing a File .................. 1–20

2 Using the Operator Control Panel

2.1 About the LA75 Plus Control Panel . . ...................... 2–1

2.1.1 Printer Operating Switches and Indicators . .............. 2–2

iii

3 Loading the Paper

3.1 Paper Controls . ....................................... 3–1

3.2 Loading Paper . ....................................... 3–5

3.2.1 Rear Loading ...................................... 3–7

3.2.1.1 Viewing the Last Printed Line ...................... 3–12

3.2.1.2 Document on Demand ............................ 3–13

3.2.2 Single-sheet Loading . ............................... 3–14

3.2.2.1 Printing Multiple Single Sheets ..................... 3–17

3.2.3 Switching to Bottom Loading .......................... 3–18

3.2.4 Bottom Loading .................................... 3–22

3.3 Adjusting the Printhead for Paper Thickness . . .............. 3–26

4 Using Fonts

4.1 Using the Optional Font Cartridges . . ...................... 4–1

5 Conﬁguring the Printer

5.1 What is Conﬁguration? . . ............................... 5–1

5.1.1 Determining the Printer’s Conﬁguration . . . .............. 5–2

5.2 Features and Values ................................... 5–3

5.3 Set-up Mode Switches and Indicators ...................... 5–4

5.3.1 Changing the Printer’s Conﬁguration (Set-up Mode) . . ...... 5–4

5.3.2 Saving New Values and Exiting Set-up Mode ............. 5–5

5.4 Protocol Selection ...................................... 5–5

6 Maintaining the Printer

6.1 General Maintenance ................................... 6–1

6.2 Correcting Simple Problems .............................. 6–2

6.2.1 Power-related Problems .............................. 6–2

6.2.2 No Printout ....................................... 6–3

6.2.3 Operation-related Problems ........................... 6–4

6.2.4 Print-related Problems ............................... 6–5

6.2.5 Ribbon or Carriage-related Problems .................... 6–6

6.3 Removing and Replacing the Ribbon Cartridge . .............. 6–7

6.4 Removing and Replacing the Fuse . . . ...................... 6–12

7 Reference Information

7.1 Service .............................................. 7–1

7.2 Digital Equipment Corporation Services .................... 7–1

7.3 Calling the Service Center ............................... 7–2

7.4 Summary of Set-up Features ............................. 7–2

7.5 Speciﬁcations . . ....................................... 7–4

7.6 Printer Accessories..................................... 7–9

A Set-up

A.1 Set-up Mode . . . ....................................... A–1

A.1.1 List of Set-up Features and Values ..................... A–1

B Printing Control Characters

C DEC PPL2 Quick Reference

D IBM Proprinter X24E Quick Reference

Figures

C–1 Designating and Invoking Character Sets ................... C–7

C–2 Standard 8-bit Code Table (Left Half) ...................... C–12

C–3 Standard 8-bit Code Table (Right Half) ..................... C–13

C–4 DEC Special Graphics Character Set . ...................... C–16

C–5 DEC Technical Character Set............................. C–17

C–6 ISO Latin-1 Supplemental Character Set ................... C–18

C–7 Legal Character Set .................................... C–19

C–8 DEC 7-bit Hebrew Character Set .......................... C–20

C–9 DEC Hebrew Supplemental Character Set .................. C–21

C–10 ISO Latin-Hebrew Supplemental Character Set .............. C–22

C–11 ISO Latin-Greek Supplemental Character Set . . .............. C–23

C–12 DEC Greek Supplemental Character Set .................... C–24

C–13 ISO Latin-5 Supplemental Character Set ................... C–25

C–14 DEC Turkish 7-bit Character Set .......................... C–26

C–15 DEC Turkish 8-bit Supplemental Character Set .............. C–27

C–16 ISO Latin-Cyrillic Supplemental Character Set . .............. C–28

C–17 ISO Latin-2 Supplemental Character Set ................... C–29

C–18 JIS Katakana Character Set ............................. C–30

D–1 All Character Set, All Code-pages, Left Side . . . .............. D–9

D–2 All Character Set, Code-page 437 U.S.A. , Right Side .......... D–10

D–3 All Character Set, Code-page 850 Multilingual, Right Side ...... D–11

Tables

3–1 Loading Methods and Types of Paper ...................... 3–5

A–1 Set-up Features and Values - Common Features for both Dec and

IBM protocols . . ....................................... A–2

A–2 Set-up Features and Values - Dec Protocol Features ........... A–6

A–3 Set-up Features and Values - IBM Protocol Features .......... A–11

A–4 Set-up Features and Values - Factory Setting . . .............. A–13

C–1 Conventions . . . ....................................... C–2

C–2 Positioning Controls .................................... C–2

C–3 Sheet size and margins . . ............................... C–3

C–4 Type size and spacing, managing implicit cursor motion . . ...... C–3

C–5 Font management and attribute selection ................... C–4

C–6 Tabs................................................ C–5

C–7 Selecting character sets . . ............................... C–6

C–8 Character Sets Power-up Settings . . . ...................... C–7

C–9 Reports.............................................. C–8

C–10 Miscellaneous . . ....................................... C–9

C–11 SCS Final Characters . . . ............................... C–10

C–12 National Replacement Character sets ...................... C–14

D–1 Conventions . . . ....................................... D–1

D–2 Control Characters ..................................... D–2

D–3 Terminal Management . . . ............................... D–2

D–4 Vertical Form Handling . . ............................... D–3

D–5 Horizontal Form Handling and Printing Modes . .............. D–4

D–6 Print-Mode Priority Chart ............................... D–6

D–7 Graphics Modes ....................................... D–6

D–8 Alternate Graphics Mode (AGM)1......................... D–7

D–9 Character Set Selection . . ............................... D–7

Preface

About This Guide

The LA75 Plus Companion Printer Installation and User Guide is part of the

LA75 Plus documentation package. This guide, which explains how to install

and operate the printer. is written for someone with little or no computer

experience. You should read the whole of the guide.

Even if you are familiar with this kind of desk-top printer, you should, at the

very least, read Chapter 3, Loading the Paper, to familiarize yourself with the

LA75 Plus’s new features.

The guide is divided into seven chapters and four appendixes.

Chapter 1, Installing the Printer describes how to unpack and install the

printer. It names the printer parts, shows you how to test the printer, and

how to connect your printer to your computer system, personal computer or

video terminal. Read this chapter completely before you begin the installation

procedure.

Chapter 2, Using the Operator Control Panel describes how to use the

printer’s operating controls.

Chapter 3, Loading the Paper provides a detailed explanation of the

different ways to load paper.

Chapter 4, Using Fonts describes how to insert and access the optional font

cartridges available for the LA75 Plus.

Chapter 5, Conﬁguring the Printer explains how to conﬁgure the printer so

that it can communicate with your computer system.

Chapter 6, Maintaining the Printer shows how to keep the printer clean,

how to replace the ribbon cartridge and the fuse, and how to install or

replace the printhead. The chapter also suggests how you can identify simple

problems, and so avoid having to contact your Digital sales representative.

viii

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