
ASCII Code ESC x n
Hexadecimal Value X'1B' X'78' n
Decimal Value 27 120 n
This command selects either LQ or Draft printing according to the following values:
n Selection
0 Draft printing
1 Letter Quality printing
If you select proportional spacing with the ESC p command during Draft printing, the printer prints an LQ
font instead. When you cancel proportional spacing with the ESC p command, the printer returns to Draft
printing.
SI
Sets compressed printing. (EPSON)
ASCII Code SI
Hexadecimal Value X'0F'
Decimal Value 15
This command is accepted at any position within the line. DC2 code cancels compressed printing. The
setting of this command depends on the horizontal spacing previously set
10 CPI → 17 CPI
12 CPI → 20 CPI
Proportional → 1/2 width
DC2 code cancels compressed printing.
SO
Sets double width printing (one line) (IBM/EPSON).
ASCII Code SO
Hexadecimal Value X'0E'
Decimal Value 14
This code causes subsequent data in the same line to be printed as double width characters. It is
cancelled by the CR, LF, VT, FF and DC4 codes or when the buffer is full.
Chapter 2. EPSON/IBM Mode 31
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