Epson ActionPrinter 5000 User Manual - Page 120

Signal Return, Signal Direction

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Interface Specifications Signal Return Pin Pin Signal Direction Description 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 the PAUSE button is pressed 4) During an error state. 12 30 PE OUT A HIGH signal indicates that the printer is out of paper. 13 SLCT OUT Pulled up to 5 V through 3.3 Kohm resistance. 14 AUTO IN When this signal is LOW, the paper IS FEED automatically fed one line after printing. XT (The signal level can be fixed to this by setting DIP switch 2-4 to on.) 15 NC Not used. 16 GND Logic ground level. 17 C H A S S I S - Printer's chassis ground, which is GND isolated from the logic ground. 18 NC Not used. 19-30 - GND Twisted-pair return signal ground level. 31 16 INIT IN When this level becomes LOW, the printer controller is reset to its power-up state and the print buffer is cleared. This level is normally HIGH; its pulse width must be more than 50 microseconds at the receiving terminal. 32 ERROR OUT This level becomes LOW when the printer is: 1) in a paper-out state 2) when the PAUSE button is pressed 3) in an error state. Technical Specifications 7-11

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Interface Specifications
Signal Return
Pin
Pin
Signal Direction
Description
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 the PAUSE button is pressed
4) During an error state.
12
30
PE
OUT
A HIGH signal indicates that the printer
is out of paper.
13
SLCT
OUT
Pulled up to 5 V through 3.3 Kohm
resistance.
14
AUTO
FEED
XT
IN
When this signal is LOW, the paper
IS
automatically fed one line after printing.
(The signal level can be fixed to this by
setting DIP switch 2-4 to on.)
15
16
17
18
19-30
-
31
16
32
NC
Not used.
GND
Logic ground level.
CHASSIS -
Printer’s chassis ground, which is
GND
isolated from the logic ground.
NC
Not used.
GND
Twisted-pair return signal ground level.
INIT
IN
When this level becomes LOW, the
printer controller is reset to its power-up
state and the print buffer is cleared. This
level is normally 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 a paper-out state
2) when the PAUSE button is pressed
3) in an error state.
Technical Specifications
7-11