Appendix H
Technical Specifications
Printing
Printing method
Pin configuration
Printing speed
Paper feed speed
Printing direction
Character sets . . . .
Buffer
Line spacing
.. . . . . . . . .
Serial impact dot matrix
. . . . . . . . ..
24
wires
(12 X 2
staggered, diameter
0.2mm)
. . . . . . . . . . .. . .
180 characters per second per line in
draft pica;
60
characters per second per
line in Letter Quality pica
. . . . .. . . . . . . . .
Approximately 100 ms/line at
l/6
inch/line and approximately
2.2
inches
per second during continuous line feed
. . . . .
Bidirectional, logic seeking
Unidirectional (left to right) in graphics
mode
. . . . . . . . . . ..
Epson Letter Quality Roman
Epson Letter Quality proportional
Roman
Epson Sans Serif draft
. . . . .. . . . . . . . . . . . . .
1K or 7K bytes
. . . . .. . . . . . . . . . . .
Default is
l/6
inch. Programmable in
increments of
l/180
of an inch
H-1