Epson T88III specifications Esc ∗, NL nH d1...dk

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ESC ∗	m nL nH d1...dk
[Name]	Select bit-image mode
[Format]	ASCII		ESC	∗	m	nL	nH	d1...dk
	Hex		1B	2A	m	nL	nH	d1...dk
	Decimal		27	42	m	nL	nH	d1...dk
[Range]	m = 0, 1, 32, 33
	0 ≤	nL ≤	255
	0 ≤	nH ≤	3
	0 ≤	d ≤ 255

[Description] Selects a bit-image mode using m for the number of dots specified by nL and nH, as follows:

			Vertical Direction		Horizontal Direction
			Number of	Dot Density	Dot	Number of Data
	m	Mode	Dots		Density	(K)
	0	8-dot single-density	8	60 dpi	90 dpi	nL + nH ⋅	256
	1	8-dot double-density	8	60 dpi	180 dpi	nL + nH ⋅	256
	32	24-dot single-density	24	180 dpi	90 dpi	(nL + nH ⋅	256) ⋅ 3
	33	24-dot double-density	24	180 dpi	180 dpi	(nL + nH ⋅	256) ⋅ 3
	[dpi: dots per 25.4 mm {1"}]
[Details]	• If the values of m is out of the specified range, nL and data following are processed as normal
	data.

•The nL and nH indicate the number of dots of the bit image in the horizontal direction. The number of dots is calculated by nL + nH ⋅ 256.

•If the bit-image data input exceeds the number of dots to be printed on a line, the excess data is ignored.

•d indicates the bit-image data. Set a corresponding bit to 1 to print a dot or to 0 to not print a dot.

•If the width of the printing area set by GS L and GS W less than the width required by the data sent with the ESC ∗ command, the following will be performed on the line in question (but the printing cannot exceed the maximum printable area):

①The width of the printing area is extended to the right to accommodate the amount of data.

②If step ① does not provide sufficient width for the data, the left margin is reduced to accommodate the data.

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