6
Item Parts
Description
15
Power switch
Turn printer power on/off
16
Print head release level
To release label or adjust the label position.
17
Platen Roller
Used to feed out paper
1-7. Communication Ports Specification
Parallel Port
Handshake
: DSTB to printer and BUSY to host.
Interface cable : DB25 Male (IBM-PC) 36 position parallel printer cable.
Pin out
:
PIN NO.
FUNCTION
TRANSMITTER
1
Strobe
host
2-9
Data 0-7
host
10
N/C
printer
11
Busy
printer
12
Paper empty
printer
13
Select
printer
14-16
N/C
17
Chassis Ground
18
N/C
19-30
Signal Ground
31
N/C
host
32
Fault
printer
33
Signal
ground
34-36
N/C
Serial Port
Serial port is set at the factory with 9600 baud-rate, no parity, 8 data bits, and 1 stop bit and uses XON/XOFF
protocol as well as RTS/CTS.
The connector is RS-232 DB9 female. The pin assignments are listed below.
PIN NO.
1
2
3
4
5
6
7
8
9
NAME
+5 V
TXD
RXD
DSR
GND
DTR
N/C
DTR
N/C
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