Epson 4100 manual Parameter Options Setting

E-22	Appendix E—Barcodes
		Parameter	Options	Setting
		P1: Barcode Type	0	Interleaved 2 of 5
		(See Note 1)	1	PostNet (Graphics Mode)
			4	Code 39 (default)
			5	EAN - 8
			6	EAN - 13
			9	Codabar a/a
			10	Codabar b/b
			11	Codabar c/c
			12	Codabar d/d
			13	UPC - A
			14	UPC - E
			21	PostNet (Text Mode)
		P2: Barcode Height	0	3/4 in. (default)
			n	n/12 in. (n = 1 to 120)
		P3: Human Readable Line	0	Disable
			1	Enable (default)
		P4: Narrow Bar Width	0 or 1	.014 in. (default)
			2	.027 in.
		P5: Wide Bar Width	n	.014 + .0133 * (n-1) in.*
			1	.014 in.
			2	.027 in.
			0 or 3	.040 in. (default)
			4	.054 in.
		P6: Narrow Space Width	n	.014 + .0133 * (n-1) in.*
			0 or 1	.014 in. (default)
			2	.027 in.
		P7: Wide Space Width	n	.014 + .0133 * (n-1) in.*
			1	.014 in.
			2	.027 in.
			0 or 3	.040 in. (default)
			4	.054 in.
		P8: Intercharacter Gap	n	.014 + .0133 * (n-1) in.*
			0 or 1	.014 in. (default)
		(See Note 2)	2	.027 in.
			n	.014 + .0133 * (n-1) in.*

Note: 1. Codabar a/a, b/b, and so forth refer to start and stop characters.

2.Intercharacter gap is adjustable only for Code 39 and Codabar barcode symbols.

* For n ≠ 0.