Epson U230 - TM Two-color Dot-matrix Printer, Developer'S Manual

Page: 59 / 77

Specifications Appendix A-1
TM-U230 Developer’s Guide
Confidential
Appendix A
Specifications
Printing Specifications
Character Specifications
[cpi: characters per 25.4 mm (characters per inch)]
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
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
configuration
W
×
H
Character
configuration
Character
types
Character
dimensions
W
×
H(mm)
Dot spacing between
characters Characters
per line Characters
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