Epson C82310 - Manual (Page 16)

Signal
Pin
Return Signal
Direction
Pin
Description
SLCT
AUTO
FEED
XT
NC
GND
CHAS-
S I S
GND
NC
GND
I N I T
OUT
I N
I N
A high signal indicates that the
printer is in the selected state.
The signal goes low in the
following cases:
1) When the SLCT IN signal
goes high
2) During a printer-error state
3) When the interface card is
disabled
This signal can be fixed to
“high” with DIP Switch 1-5.
This function depends on
printer specifications.
Not used
Twisted-pair, return-signal
g r o u n d
Printer's chassis ground, which
is isolated from the logical
g r o u n d
Not used
Twisted-pair, return-signal
ground
When the signal level goes low,
the printer controller and the
interface card are reset. This
signal level is usually high; its
pulse width must be more than
50 µseconds at the receiving
terminal.
13
14
15
16
17
18
19-30
31
32 ERROR OUT This signal level goes low when
the printer is out of paper or in
an error state.
33 GND Twisted-pair return signal
ground.
34 NC Not used
13