Epson MX-80 User Manual page 92

.Appendix G
Appendix I
Function Codes
M X - 8 0 has various function codes described b e l o w :
CR Carriage Return
LF Line Feed
VT Vertical Tabulation
FF Form Feed
5 0 Shift Out ; sets the enlarged printing.
51 Shift In ; sets the condensed printing.
DC 4 The function of SO is cancelled
HT Horizontal Tabulation
CAN Cancel ; all data preceding CAN on a same line are cleared.
DEL Delete; same as CAN
DC 1 Selects the printer, enable it to receive data.
DC 3 Diselects the printer, preventing it from receiving data.
ESC 0 Sets line spacing to 8 lines per inch.
ESC 1 Sets line spacing to 7/72" per line.
ESC 2 Sets line spacing to 6 lines per inch.
ESC 8 Enables data transfer even in paper out.
ESC 9 Resets ESC 8 function.
ESC SO Same as SO
ESC SI Same as SI
NUL NULL ; terminates the tab setting sequence
BEL BELL ; rings about 3 seconds
ESC X Control
By ESC code and X (alphabets ( A ~ Z ) ) code, following functions are available.
In the following descriptions each of n, n 1, n2, . . . . is 7 bit binary numbers.
( " + " is for legibility only. )
ESC A + n
Determines a various line spacing. Paper is fed in the rate of n/72.
1 S n ^ 8 5
ESC B + n i + n 2 + . . . + nk+NUL
Sets vertical tabs; Clears all previous vertical tabs and sets new tabs at the lines ( n i , n z . .
n k ) . ( 1 ^ n g 2 5 5 , 1
ESC C + n
Sets the form length. 1
ESC D + " 1 + " 2 + . . . .+nk + NUL
Sets horizontal tabs; clears all previous horizontal tabs and sets new tabs at locations.
d S n g 1 2 7 . 12)
ESC E Sets the emphasized printing.
ESC F Cancels ESC E function.
ESC G Sets the double printing.
ESC H Cancels ESC G function.
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