User`s manual

Epson FX Emulation9–12
Line Feed n/216 Inch
ASCII Code ESC J n
HEX Code 1B 4A n
Purpose Immediately advances the paper n/216 inch.
where n = 0 to 255 inclusive
Comment n = 0 is ignored. Paper movement occurs in multiples of 3/216 inch.
This command produces an immediate line feed but does not affect
line spacing or produce a carriage return. Any one–line–only print
attributes in effect are canceled.
Small values of n may result in overlapping lines. Overlapping lines
may also occur if print attributes such as double high, superscript, or
subscript characters are used on the same line.
Example The following example illustrates n/216–inch line spacing.