Select character height, width, and line spacing
Mode ASCII Decimal Hexadecimal
IBM <ESC> “[” “@I” ~47 <O> 27 91 64 4 0 10 50 40 04 00
CO7 CO7 n m 0 0 nm WOO nm
Selects a combination of character height, width, and line spacing
according to the value of rr and m, as below. Does not move the base
line.
n Line spacing Character height -
0 Unchanged Unchanged
1 Unchanged Single height
2 Unchanged Double height
16 Single Unchanged
17 Single Single height
18 Single Double height
32 Double Unchanged
33 Double Single height
34 Double Double height
m Character width
1 Single width (same as <ESC> “W” 0)
2 Double width (same as cESC> “w” 1)
Double-height characters are always printed at near letter quality.
Double height printing temporarily cancels the super/subscript and
condensed printing modes, but these modes resume when the
printer returns to normal height.
VERTICAL POSITION COMMANDS Set line spacing to I/8 inch
Mode ASCII Decimal Hexadecimal
Both cEsc7 “0” 27 48 10 30
Sets the distance the paper advances or reverses in subsequent line
feeds to l/8 inch.