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Epson P-80 Interface, Interface, Connector, Specifications

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	Printing capability with fully charged batter-
	ies: 60,000 characters (approximately 30
	pages on 8½ by 11 paper with 2,000 charac-
	ters per page)
Environment	Temperature: 5°C to 35°C
	Humidity: 10% to 80% RH
Ribbon	Cassette ribbon, black, model #8760

Ribbon life expectancy 40,OOO characters (approximately 20 pages with 2,000 characters per page)

Printer MCBF	500,000 lines (excluding print head life)
Print head life	20 million characters
Buffer memory	240 bytes

Interface

The P-80 has an RS-232C serial interface

Specifications

Bit rate

Synchronization

Handshaking

Logic Levels

Set with DIP switches on the back of the printer

Asynchronous
With DTR signal
Voltage	Logic Value
+3V to +18V	Space 0 (ON)
-3V to -18V	Mark 1 (OFF)

Data FormatDip switch selectable

Interface	Connector
Plug	6-pin DIN type

E-3

Contents

P-80PORTABLE PRINTER User's Manual FCC COMPLIANCE STATEMENT FOR AMERICAN USERS Copyright © 1984 by Epson America, Inc Torrance, California Contents 5 Combining Print Modes Dot-MatrixPrinting Print Pitches Pitch Mode Combinations Expandedmode Specifications of the P-80 E-1 E-1 E-2 E-2 E-3 E-3 E-3 E-4 List of Figures List of Tables 1-1 Settings for switch 1 Introduction Page Setting Up Your P-80 Page Covers use 3) l-3) Figure 1-3.Locking lever paper Paper guide Figure 1-4.Paper guide Ribbon installation Figure l-5.Lifting the front cover P-80’s 1.Make sure the printer is OFF As Figure Page That’s all there is to it. Now just close the front cover Manual-feedknob Figure 1-7. Manual-feedknob DIP Switches DIP switches 1-1 1-2 control code See Table 1-2. International character switch settings Country RS-232C Connecting the P-80to Your Computer Your Epson dealer stocks a variety of cables as well as interface boards Figure l-9.Connecting the printer cable Operation and Maintenance Switches and Indicators The control panel POWER switch off-line PAPER FEED switch Paper control switches 2-2) Figure 2-2.Paper control switches PAPER SURFACE switch — Paper-outsensor The Battery and AC Adapter Figure 2-3.Plugging in the AC adapter Battery Replacement 2-4) 2-5 Page 2-7) Figure 2-7.Replacing the battery holder cover 8.Replace the two screws at the back of the cover and replace the front cover WARNING: Do not disassemble the battery or throw it into a fire Maintenance 1.Keep your printer in a safe, clean location away from extreme tem- peratures 2.Clean particles and dust from the printer with a soft cloth or brush 3.Clean the outside of the printer with a mild cleanser when it appears dirty Installing Paper Paper sizes Paper Release Lever Paper Loading Make sure the paper is straight and placed in the printer as far as it can go Page Removing the paper The P-80 Self-Test Control Codes Table 4-1. The P-80and ASCII Codes P-80 Interpretation Using Control Codes CHR$(27)CHR$(52) A BASIC example 10 LPRINT CHR$(27);"-1"; 20 LPRINT "Underline Underline 30 LPRINT NEW 10 FOR X=1 TO 41: LPRINT CHR$(95);: NEXT X 20 LPRINT CHR$(13); 30 LPRINT "THIS PROGRAM USES THE UNDERLINE CHARACTER THIS PROGRAM USES THE UNDERLINE CHARACTER Combining Print Modes Figure 5-1.Main columns and intermediate positions Figure 5-2. Overlapping dots Print Pitches P-80 Pitch Mode Combinations Expanded mode Print Quality Modes when Figure 5-5.Print quality differences Dress-upModes Mode Conflicts and Priorities Table 5-1.Summary of modes Mixing Modes Summary Notes 1. Pica is the default pitch and is active when Compressed is turned 3.Double-Strikeand Emphasized produce the same result When Normal Under Print line Graphics NEXT X: LPRINT 40 IF R=0 THEN LPRINT: LPRINT CHR$(27)"@": END 60 N=-R:READ R: FOR K=1 TO N: LPRINT CHR$(R); DATA Print Head that Graphics Mode LPRINT CHR$(27)"K"CHR$(n1) CHR$(n2); CHR$(27)"K CHR$(27)"L Column reservation numbers LPRINT CHR$(27)"L"CHR$(N MOD 256)CHR$(INT(N/256)); Labelling Elements Figure 6-1. Labelling elements Figure 6-2.Element combinations FOR RETURN Figure 6-3.Data for space invader Graphics Programming Tips Line spacing WIDTH statements WIDTH LPRINT Semicolons and command placement 20 LPRINT CHR$(27)"K"CHR$(50)CHR$(0) 30 LPRINT CHR$(27)"0 Figure 6-4.Result of incorrect program Use semicolons to prevent the Page ASCII Codes and Character Sets A-1 <DC4 Control-T Control-) A-2 Page Page Appendix B Control Code Summary LPRINT CHR$(27)CHR$(69) or LPRINT CHR$(27)"E Page lines inches B-3 B-4 Appendix C Mode and Character-SetSelection Line Spacing Forms Control CHR$(12) c-2 Using Your P-80 with the Geneva™ PX-8™ Connecting the Geneva to the P-80 P-80 D-2 Page Specifications of the P-80 Table E-1 Characters Paper Paper types Single-sheetor roll paper, up to 8.5 inches wide Interface Specifications Interface Connector Page Index 42-43 47 B-4 C-2 C-l 45 B-l 10-11 A-l A-3 16 17 D-l-D-2 37-38 33 7-9 Index-6 Page Page Page EPSON AMERICA, INC LIMITED WARRANTY (213)