Compuprint MDP40B Programmer Manual - Manual (Page 59)

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ESC p
Sets or cancels proportional printing. (EPSON ESC/P2)
ASCII Code ESC p n
Hexadecimal Value 1B 70 n
Decimal Value 27 112 n
This command selects the proportional or fixed spacing according to the following
values:
n Proportional Printing
0 Returns to current fixed character pitch
1 Selects proportional character spacing
It resets the horizontal motion index (HMI) set with the ESC c command. The changes
made to the fixed-pitch setting with ESC P, ESC M or ESC g commands during
proportional mode take effect when the printer exits proportional mode. The printer
automatically switches to LQ mode when the printer exits proportional mode.
ESC q
Selects character style. (EPSON ESC/P2)
ASCII Code ESC q n
Hexadecimal Value 1B 71 n
Decimal Value 27 113 n
Range 0 < n < 3
This command enables/disables outline and shadow printing according to the parameters
below: