Signal
Return
Signal
Direction
Description
Pin
Pin
10
28
ACKNLG
OUT
About a 10-microsecond
pulse. LOW indicates 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:
During data entry
(for each character)
During printing
During off-line state
During printer-error state
12
30
PE
OUT
A HIGH signal indicates
that the printer is out of
paper.
13 -
SLCT
OUT
Pulled up to +5V through
3.3 K ohm resistance.
14 -
AUTOFEED IN
During the LOW state, the
paper is automatically
fed one line after printing.
(The signal level can be
fixed using SelecType.)
15 -
16 -
17 -
NC
-
GND -
CHASSIS -
GND
Not used.
Logic ground level.
Printer’s chassis ground,
which is isolated from the
logic ground.
18 -
NC
-
19-30 -
GND -
Not used.
Twisted-pair return signal
ground level.
A-10 Technical Specifications
Содержание ActionPC 1500
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Страница 272: ...Epson America Inc 20770 Madrona Avenue Torrance CA 90503 Printed in Japan 93 0 ...