Epson LQ-1010 Pin, Signal, Return, Signal, Direction, Description, Interface Specifications, 8-8Technical Specifications, Pin Assignments for the Parallel Interface

Interface Specifications

Your printer is equipped with an S-bit parallel interface. For specifications on optional interfaces, refer to their manuals.

Pin Assignments for the Parallel Interface

Connector pin assignments and a description of their respective interface signals are shown in the following table.

Signal	Return
Pin	Pin	Signal	Direction	Description
1	19		IN	STROBE pulse to read data. Pulse width
		STROBE
				must be more than 0.5 microseconds at
				the receiving terminal.
2	20	DATA 1	IN	These signals represent information of the
3	21	DATA 2	IN	1st to 8th bits of parallel data,
4	22	DATA 3	IN	respectively. Each signal is at HIGH level
5	23	DATA 4	IN	when data is logical 1 and LOW when it is
6	24	DATA 5	IN	logical 0.
7	25	DATA 6	IN
8	26	DATA 7	IN
9	27	DATA 8	IN
10	28		OUT	About an 11-microsecond pulse. LOW
		ACKNLG
				indicates that data has been received and
				that the printer IS ready to accept more
				data.
11	29	BUSY	OUT	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
12	30	PE	OUT	A HIGH signal indicates that the printer is
				out of paper.

8-8 Technical Specifications