Epson 4100 manual ESC ? 4 1 h Unidirectional Printing, ESC ? 4 1 l Bidirectional Printing

Operator's Guide 303

PRINT DIRECTION

ESC [ ? 4 1 h						Unidirectional Printing
ASCII:	ESC	[	?	4	1	h
Control:	CTRL [	[	?	4	1	h
Decimal:	27	91	63	52	49	104
Hexadecimal:	1B	5B	3F	34	31	68

Begins unidirectional printing. Data are printed only when the printhead is moving left to right. Printing this way improves vertical character alignment.

Unidirectional printing remains in effect until reset with ESC [ ? 4 1 l.

Note: If set to ON, "PRINTSTYLE, Bi-Directional Graphics / NLQ in the configuration menu overrides unidirectional printing.

ESC [ ? 4 1 l						Bidirectional Printing
ASCII:	ESC	[	?	4	1	l
Control:	CTRL [	[	?	4	1	l
Decimal:	27	91	63	52	49	108
Hexadecimal:	1B	5B	3F	34	31	6C

Begins bidirectional printing. Data are printed when the printhead is moving in either direction. This is the default print mode. It remains in effect until reset by ESC [ ? 4 1 h.