Epson Stylus 1000, Руководство пользователя

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Signal Return Signal Direction Description
Pin Pin
1 STROBE IN STROBE pulse to read data.
Pulse width must be more than
at the receiving terminal.
2 DATA 1 IN These signals represent
3 DATA 2 IN information in bits 1 to 8 of
4 DATA 3 IN parallel data respectively. Each
5 DATA 4 IN signal is at HIGH level when
6 DATA 5 IN data is logical 1 and LOW when
7
DATA 6 IN it is logical
8 DATA 7 IN
9
DATA 8 IN
OUT About an pulse.
LOW indicates that data has
been received and that the
printer is ready to accept more
data.
BUSY OUT A HIGH signal indicates the
printer cannot receive data.
The signal goes HIGH in the
following cases:
During data entry (for each
character)
During printing
When the PAUSE button is
pressed
During an error state
OUT A HIGH signal indicates the
printer is out of paper.
- OUT Pulled up to 5 V through 1
resistance
, - AUTO
FEED
IN When this signal is LOW, the
paper is automatically fed one
line after printing.
- NC Not used
- Logic ground level
CHASSIS - Printer’s chassis ground, which is
isolated from the logic ground
A - 8 A p p e n d i x