Citizen Systems iDP-3551, iDP-3550 user manual FF n, CBM1 Mode

Details
	FF n	(CBM1 Mode)
	[Function]	n-line paper feed
	[Code]	<0C>H n
	[Range]	1 ≤ n ≤ 127
	[Outline]	This command feeds the paper by n-lines. You can set n = 1 to 127 lines. If the print buffer
		contains the data, use of this command feeds the paper by n-lines after printing the data.
		Setting n = 0 does not feed the paper.
	FF	(CBM2 Mode)
	[Function]	Form feed
	[Code]	<0C>H
	[Outline]	This command searches for the beginning of the next page after printing the data in the print
		buffer.
	SO	(CBM1 Mode)
	[Function]	Specifying the double width character
	[Code]	<0E>H
	[Outline]	The data following this command is printed doubled in the horizontal direction.	Double
		width characters remain valid until the double width character cancel command is entered,
		but they are also cancelled after they are printed one line. Note that the double width
	SO	characters take up two ordinary characters worth of width.
		(CBM2 Mode)
	[Function]	Specifying the double width character/shift-out side characters
	[Code]	<0E>H
	[Outline]	The data following this command is printed doubled in the horizontal direction.	Double
		width characters remain valid until the double width character cancel command is entered,
		but they are also cancelled after they are printed one line. Note that the double width
		characters take up two ordinary characters worth of width.
		In the case of a serial interface, if 7-bit data is selected, the shift-out side character is printed.
	SI	(CBM1 Mode)

[Function]	Canceling the double width character
[Code]	<0F>H