Epson TM-930II Series, Operator'S Manual

Page: 75 / 89

Pin Number Signal Name Signal Direction
Function
11 BUSY
Output
This signal indicates whether the printer can or
cannot receive data. When this signal is
‘HIGH’, it indicates that the printer cannot
receive data. When it is ‘LOW, it indicates that
the print is ready to received data.
12 PE
13 SLCT
Output
This signal indicates whether paper is present
or not. "HIGH" indicates that the paper has run
out. "LOW " indicates that paper is present.
Output
1) When DIP SW2-8 is ON, this signal
indicates whether the roll paper cover and
ribbon cover are open or dosed. ‘HIGH’
indicates that both covers are closed.
‘LOW’ indicates that either or both them am
open.
2) When DIP SW2-8 is OFF, this signal is
pulled up to +5V through a 3.3 K resistor.
14 AUTO FEED XT
Input
If this signal is ‘LOW, printing and line feed
are performed automatically by CR commend.
15 NC
16
GND Signal ground
17 CHASSIS GND Chassis ground
18 NC
19 to 30
GND Signal ground
31 lNIT
Input
Printer hardware reset signal. Normally, this
signal is ‘HIGH’. The printer is reinitialized, just
as when power is turned on, by receiving a
"LOW" pulse of 50µs or more.
32
ERROR Output
This signal indicates whether the printer is in
an error state or not. It is "LOW" in the
following cases.
l
During the period from when the power is
turned on to when the printer initialization
completes.
l
During the self-test printing.
l
In the OFF-LINE state.
l
In a mechanical error state.
33
GND Signal ground
34
DRAWER
Output
Pulled up to +5V through a 4.7 K resistor, and
KICK-OUT the status signal of the drawer kick-out connector
STATUS is directly output to this terminal.
35 +5V
Output
This signal indicates whether the power is
turned on or off. "LOW" means that the power
is turned on.
36 SLCT IN This signal is pulled up +5V through a 3.3 K
resistor.
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