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.
© Copyright 1996 Star Micronics Co.,Ltd.
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
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2
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5
6
7
1
2
3
4
5
6
7
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)
*1
IBM Code page or
International Character Set
*1 See figure 1-5.
ON LINE
PAPER FEED
SET/EJECT
PARK
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