IBM 4400 manual NLQ OCR-A OCR-B NLQ2

Print Mode/Pitch Selection

			Table 23. Horizontal and Vertical Dot Density (ESC X)
		m (Hex*)		Horiz. Density		Vertical Density		Print Mode
				Resolution
		0 (30)		x dpi		y dpi		Letter Gothic
		1 (31)		x dpi		y dpi		Courier
		2 (32)		x dpi		y dpi		Letter Gothic
		3 (33)		x dpi		y dpi		Letter Gothic
		4 (34)		x dpi		y dpi		Letter Gothic
		5 (35)		x dpi		y dpi		OCR-A
		6 (36)		x dpi		y dpi		OCR-B
		7 (37)		x dpi		y dpi		Letter Gothic
		8 (38)		x dpi		y dpi		Letter Gothic
		*The hex values shown (i.e., 0 and 30) are equal. Either value can be used
		in your program expression.
		The density (dpi) remains the same under this setting. x and y represent
		the resolutions of the particular printer.
		Table 24. Print Mode and Character Pitches (ESC Xmn)
				Characters Per Inch
value of n:	value of m:
Print Mode*	DP		NLQ	HS	HS	HS	OCR-A	OCR-B	NLQ2	NLQ2
	0 (30)		1 (31)	2 (32)	3 (33)	4 (34)	5 (35)	6 (36)	7 (37)	8 (38)
0 (30)	10		10	10	10	10	10	10	10	10
1 (31)	12		12	12	12	12	–	–	12	12
2 (32)	13		13	13	13	13	–	–	13	13
3 (33)	15		15	15	15	15	–	–	15	15
4 (34)	17		17	17	17	17	–	–	17	17
5 (35)	20		17	20	20	20	–	–	17	17

*The hex values shown (i.e., 0 and 30) are equal. Either value can be used in your program expression. The value of m is represented by the font choice line.

NOTE: When using the Multinational character set in OCR-A or OCR-B print mode, a unique character set is used.

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