IBM Personal Computer AT Manual To Operations page 93

ESCC Escape C (Set Lines Per Page)
Format: ESC C;n;.
Sets the page length. The ESC C command
must have a value following it to specify a
desired page length. The maximum page
length for the printer is 127 lines. The
example below sets the page length to 55
lines. The printer defaults to 66 lines per
page when powered on or reset.
LPRINT CHR$(27);CHR$(67);CHR$(55);
Escape C (Sets Length Of Page)
Format: ESC C;n;m;
Sets the length of the page. This command
requires a value of 0 (zero) for n and a
value between 25 and 559 mm
(1
and 22
in.) for m. The value of m must be between
1 and 22.
LPRINT CHR$(27);CHR$(67);CHR$(O);
CHR$(12);
Graphics Printer 1-33