User`s manual

8–39IBM Proprinter Emulation
Line Feed n/216 Inch
ASCII Code ESC J n
Hex Code 1B 4A n
Dec Code 27 74 n
Purpose Advances paper n/216 inches for one line only.
Discussion The range of n is 1 through 255. The value of n must be an integer
multiple of 3 to move paper exactly n/216 inches.
Example The following example illustrates n/216–inch line spacing.