Compuprint MDP40B Programmer Manual - Manual (Page 61)

A-59
ESC SI
Selects condensed mode.
(IBM Proprinter XL24/XL24E, 2391+, EPSON ESC/P2)
ASCII Code ESC SI
Hexadecimal Value 1B 0F
Decimal Value
27 15
This command selects the condensed mode in which character width is reduced as follows:
10 CPI → 17.14 CPI
12 CPI → 20 CPI
Proportional → ½ width
DC2 code cancels the condensed printing. This command resets the horizontal motion
index (HMI) set with the ESC c command.
ESC SO
Sets double width printing (one line).
(IBM Proprinter XL24/XL24E, 2391+, EPSON ESC/P2)
ASCII Code ESC S0
Hexadecimal Value 1B 0E
Decimal Value 27 14
This code causes subsequent data in the same line to be printed as double width
characters. It is canceled by the LF, VT, FF, DC4 and ESC W 0 commands or when
the buffer is full. This command resets the horizontal motion index (HMI) set with the
ESC c command.