Lexmark 248X, 249X manual Format

Name	Dec	Hex	Description
ESC 3	27 51 n	1B 33 n	Set Graphics Line Spacing - 248x only
			Use a line spacing of 24/216 for bit-image graphics
			using 8 bits. n must be a 1-byte decimal value from
			0 to 255. To move exactly n/216 inch per line, n
			must be an integer multiple of 3.
			Set Graphics Line Spacing - 249x only
			Sets line spacing to n/180 inches per line.
ESC A	27 65	1B 41	Set n/72 Inch Line Spacing
			Sets line spacing to n/72 inch for subsequent line
			feed command. The value of n must be between 0
			and 85.
ESC b	27 98 m	1B 62 m	Set Vertical Tabs in Channel
	n1...n16 0	n1...n8 00	Sets vertical tab stops in specified channel by m.
			m must be a one-byte decimal value from 0 to 7.

Page Format

Name	Dec	Hex		Description
ESC C 0	27 67 0 m	1B	43 00 m	Set Page Length to m Inches
ESC C	27 67 n	1B	43 n	Set Page Length to n Lines
ESC N	27 78 n	1B	4E n	Set Skip Perforation
				Creates a bottom margin by skipping n lines. Valid
				values of n are 0 through 255.
ESC O	27 79	1B	4F	Cancel Skip Perforation
				Cancels the skip perforation function.

Printer Control

Name	Dec	Hex		Description
ESC s	27 115	1B	73	Turn Half Speed Mode On/Off -248x only
ESC EM	27 25 n	1B	19 n	Auto Sheet Feeder On/Off
				n=0 Off
				n=4 On
				n=R Eject
ESC B	27 66 0 n1	1B	42 0 n1,	Set Vertical Tab Stops
	n2...n16 0	n2...n16 00		Sets up to 16 tab stops. The sequence ends with 0.
FF	12	0C		Form Feed
				Advances the paper to the top of the next page.

Section 4: Epson Emulation Mode Printer Commands 75