Epson 4100 manual Ascii

		Operator's Guide 307
ESC J or ESC 3		Set Vertical Tab at Current Line5
ASCII:	ESC	J
Control:	CTRL [	J
Decimal:	27	74
Hexadecimal:	1B	4A
ASCII:	ESC	3
Control:	CTRL [	3
Decimal:	27	51
Hexadecimal:	1B	33

Adds a vertical tab at the current line. Vertical tabs are set at line numbers, not physical locations on the page. Both control commands perform the same function.

ESC [ 1 g				Clear Vertical Tab at Current Line**
ASCII:	ESC	[	1	g
Control:	CTRL [	[	1	g
Decimal:	27	91	49	103
Hexadecimal:	1B	5B	31	67

Clears the vertical tab at the current line. Vertical tabs at other lines are unaffected.

ESC [ (n) v				Set Vertical Tab at Line n**
ASCII:	ESC	[	(n)	v
Control:	CTRL [	[	(n)	v
Decimal:	27	91	(n)	118
Hexadecimal:	1B	5B	(n)	76

Add a vertical tab at Line n. Vertical tabs are set at line numbers, not physical locations on the page.

5Changing line spacing also changes the physical position of tab stops

These commands only set or clear the tabs. The vertical tab control code, VT, causes the active line to advance to subsequent tab positions.