Star Micronics NX-1020 User manual

DOT MATRIX PRINTER

NX-1020

LC-200

TECHNICAL MANUAL

[SIXTH EDITION]

NOTICE

•Allrightsreserved.Reproductionofanypartofthismanualinany

form whatsoever, without STAR’s express permission is forbid-

den.

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

•All efforts have been made to ensure the accuracy of the contents

of this manual at the time of going to press. However, should any

errors be detected, STAR would greatly appreciate being in-

formed of them.

•The above notwithstanding, STAR can assume no responsibility

for any errors in this manual.

INTRODUCTION

This manual describes dot matrix printers as shown below.

It is intended for use as a reference for periodic inspections and maintenance procedures.

This manual is prepared for use at a technical level and not for the general user.

Model Destination

NX-1020 RAINBOW For American market

NX-1020 COLOUR For Asian market

LC-200 For European market

LC-200 COLOUR For Pacific market

•This manual is divided into the following sections:

Chapter 1 General Specifications

Chapter 2 Theory of Operation

Chapter 3 Adjustments

Chapter 4 Parts Replacement

Chapter 5 Maintenance and Lubrication

Chapter 6 Troubleshooting

Chapter 7 Parts List

•First edition : Jun. 1990

Second edition : Jan. 1991 Add the new model (NX-1020 COLOUR and LC-200 COLOUR)

Third edition : May 1991 Add the new printer mechanism (Ver. 2)

Fourth edition : Jul. 1993

Fifth edition : Sep. 1995

Sixth edition : Apr. 1996

CHAPTER 1

GENERAL SPECIFICATIONS

1. General Specifications .........................................................................................3

2. External Appearance and Composition ..............................................................5

3. EDS Mode Settings ...............................................................................................6

4. Parallel Interface ...................................................................................................8

4-1. General Specifications ...........................................................................................8

4-2. Connector Signals ..................................................................................................8

5. Serial Interface (option) ........................................................................................9

5-1. General Specifications ...........................................................................................9

5-2. Connector Signals ..................................................................................................9

5-3. DIP Switch Settings ..............................................................................................10

6. EE-PROM Mode ...................................................................................................11

6-1. Outline....................................................................................................................11

6-2. Explanation of Special Control Codes ............................................................... 11

6-3. EE-PROM Map .......................................................................................................12

6-4. Rewriting the EE-PROM........................................................................................15

– 2 –

GENERAL SPECIFICATIONS

– 3 –

GENERAL SPECIFICATIONS

1. General Specifications

Print system Serial Impact Dot-matrix

Printing speed Pica Elite

High-Speed Draft 200cps 225cps

Draft 150cps 180cps

NLQ 37.5cps 45cps

Print direction Bidirectional, logic-seeking

Unidirectional, logic-seeking (selectable)

Print head 9pins

Life: 100 million characters

Line spacing 1/6, 1/8, n/72, n/216 inches

Paper feed Friction and push/pull tractor

Paper feed speed 2.9 inches/second max.

Character set

ASCII 96

International 16 set(*)

IBM special 111

IBM block graphic 50

IBM code page 6 set(**)

Download 255

* USA, France, Germany, England, Denmark I, Sweden, Italy, Spain I, Japan, Norway, Denmark II, Spain II, Latin America, Korea, Irish, Legal

** #437 (USA), #850 (Multi-Lingual), #860 (Portuguese), #861 (Icelandic), #863 (Canadian French), #865 (Nordic)

Number of columns CPI Columns

Pica 10 80

Elite 12 96

Condensed pica 17.1 137

Condensed elite 20 160

Proportional Variable

Character dot matrix 9 ×11 (Draft)

18 ×23 (NLQ)

Bit image dot-matrix DPI

Normal 60 (8 or 9) ×480

Double 120 (8 or 9) ×960

High-speed double* 120 (8 or 9) ×960

Quadruple 240 (8 or 9) ×1920

CRT I 80 (8 or 9) ×640

CRT II 90 (8 or 9) ×720

Plotter 72 (8 or 9) ×576

Double-plotter 144 (8 or 9) ×1152

* It is impossible to print adjacent dots in the modes marked with an asterisk(*).

Paper width

Cut sheet 4” ~ 11.7”

Fanfold (continuous) 4” ~ 10”

Copies Original + 3 copies (Max.)

– 4 –

GENERAL SPECIFICATIONS

Maximum buffer size

Without Download 16KB

With Download 1 line

Emulations Epson mode

IBM proprinter mode

Interface Standard: Centronics parallel

Option: RS-232C serial

Ribbon type On-carriage, dedicated

Monochrome (Black only)

Color (Black, magenta, cyan, violet, yellow, orange, green)

Ribbon life Monochrome 3 million characters (draft pica)

Color 1 million characters (draft pica)

Dimensions 440(w) ×334(d) ×135(h) mm (excluding platen knob)

17.3(w) ×13.1(d) ×5.3(h) in

Weight 6.3kg (13.9lb)

Power supply 120VAC, 220VAC, 240VAC

(varies according to the country of purchase)

Options Automatic sheet feeder (SF-10DN)

Serial-Parallel converter (SPC-8K)

Roll paper holder (RH-10Z)

Fig. 1-1 External dimensions

– 5 –

GENERAL SPECIFICATIONS

Fig. 1-3 Diagram of Internal Composition

2. External Appearance and Composition

Fig. 1-2 Front View of the Printer

– 6 –

GENERAL SPECIFICATIONS

3. EDS Mode Settings

The EDS (Electronic DIP Switch) mode has 16 kinds of functions you can set as the power-on default. To enter the EDS

mode, turn the printer on while simultaneously holding the , , and buttons.

In EDS mode, the indicators and the buttons on the control panel are used as shown below in Figure 1-4.

EDS Mode

Fig. 1-4 Button and indicator functions in the EDS mode

Number Function ON OFF

A-1 Emulation STANDARD IBM

A-2 RAM Usage Input Buffer Download

A-3 Auto-LF Disabled Enabled

A-4 ASF Setting Disabled Enabled

B-1 Multi-part mode Disabled Enabled

B-2 Paper-out Detector Enabled Disabled

B-3 Tear off Disabled Enabled

B-4 Strobe Timing Normal Reverse

C-1

C-2

C-3

C-4

D-1 Character Table

(Standard mode) Graphics Italics

(IBM mode) Set #2 Set #1

D-2

D-3 (See next page)

D-4

Print Mode (See next page)

Page Length (See next page)

IBM Code page or

International Character Set

*1 See figure 1-5.

ON LINE

PAPER FEED

SET/EJECT

PARK

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