Epson ActionPrinter Interface Specifications

Interface Specifications

Signal Return

Pin Pin

11 29

Signal Direction

BUSY OUT

Description

A HIGH signal indicates that the printer cannot receive data. The signal goes HIGH in the following cases:

1)During data entry (ea. char. time)

2)During printing

3)When off line

4)During printer-error state

1230

13-

14-

15-

16-

17-

18-

19-30 -

31-

32-

33-

34-

		PE	OUT	A HIGH signal indicates that the printer is
				out of paper.
	SLCT		OUT	Pulled up to +5 V through 3.3 K
				resistance.
			IN	When this signal is LOW, the paper is
	AUTO
FEED XT				automatically fed 1 line after printing. (The
				signal level can be fixed to this by setting
				DIP switch 2-3 to ON.)
		NC	-	Unused.
	GND		-	Logic ground level.
CHASSIS			-	Printer’s chassis ground, which is isolated
	GND			from the logic ground.
		NC	-	Unused.
	GND		-	Twisted-pair return signal ground level.
			IN	When this level becomes LOW, the printer
		INIT
				controller is reset to its power-up state and
				the print buffer is cleared. This level is
				usually HIGH; its pulse width must be
				more than 50 microseconds at the
				receiving terminal.
ERROR			OUT	This level becomes LOW when the printer is:
				1) in paper out state.
				2) off line.
				3) in error state.
	GND		-	Same as for Pins 19-30.
		NC	-	Unused.

Technical Specifications 7-9