Epson ActionLaser 1500 User Manual - Page 170

QA-10 Technical Specifications, Signal, Return, Direction, Description

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Signal Pin 10 11 12 13 14 15 16 17 18 19-30 Return Pin 28 29 30 - - Signal Direction ACKNLG OUT BUSY OUT PE OUT SLCT OUT AUTOFEED IN NC - GND - CHASSIS - GND NC - GND - Description About a 10-microsecond pulse. LOW indicates data has been received and that the printer is ready to accept more data. A HIGH signal indicates that the printer cannot receive data. The signal goes HIGH in the following cases: 0 During data entry (for each character) 0 During printing 0 During off-line state Q During printer-error state A HIGH signal indicates that the printer is out of paper. Pulled up to +5V through 3.3 K ohm resistance. During the LOW state, the paper is automatically fed one line after printing. (The signal level can be fixed using SelecType.) Not used. Logic ground level. Printer's chassis ground, which is isolated from the logic ground. Not used. Twisted-pair return signal ground level. A-10 Technical Specifications

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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:
0
During data entry
(for each character)
0
During printing
0
During off-line state
Q
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