Epson U230 manual Appendix A, Printing Specifications, Character Specifications, Confidential

Confidential

Appendix A

Specifications

TM-U230 Developer’s Guide

Printing Specifications

Item	Specification
Printing method	Serial impact dot-matrix
Head wire configuration	9-pin serial configuration
Printing direction	Bi-directional printing (logical seeking)
Printing speed	Approx. 3.5 lps (40 column, 16 cpi)
	Approx. 6.4 lps (16 column, 16 cpi) (excludes data transfer and processing
	time)
Character per line	See table A-1
Character per inch	See table A-1
Two-color printing	Black and read colors selectable

Character Specifications

Item	Specification
Character types	Alphanumerics (95 characters)
	Graphics (128 ⋅ 8 character tables)
	International characters (37 characters)
Character configuration	7 ⋅ 9, 9 ⋅ 9
Character size	See table A-1

Table A-1 Character per line, character per inch, character size

		Character
Character		configuration	Character
configuration		Character	dimensions	Dot spacing between	Characters	Characters
W ⋅ H		types	W ⋅ H(mm)	characters	per line	per 25.4 mm
7	⋅ 9 (default)	ANK	1.2 ⋅ 3.1	3 Half-dot	40	16
		Graphics	1.7 ⋅ 3.1	0	40	16
9	⋅ 9	ANK	1.6 ⋅ 3.1	3 Half-dot	33	13.3
		Graphics	2.0 ⋅ 3.1	0	33	13.3
7	⋅ 9	ANK	1.2 ⋅ 3.1	2 Half-dot	42	17.8
		Graphics	1.6 ⋅ 3.1	0	42	17.8
9	⋅ 9	ANK	1.6 ⋅ 3.1	2 Half-dot	35	14.5
		Graphics	1.9 ⋅ 3.1	0	35	14.5

[cpi: characters per 25.4 mm (characters per inch)]

Specifications Appendix A-1