
8
open the paper cover and take out the paper, close the paper cover. The printer will
recover automatically from Cutting Error.
2.3 Interface
2.3.1 Serial Interface
The serial interface of the printer is compatible with RS-232C, supports DTR/DSR
and XON/XOFF handshaking protocols, uses DB9 socket (female). The pin order of
the serial port is as Fig.2-2 shows:
Pin No.
Signal
Name
Source
Description
2
TXD
Printer
Printer transmits control code X-ON/X-OFF
and data to host
3
RXD
Host
Printer receives data from host
6
DSR
Printer
Same with CTS
8
CTS
Printer
Signal
“MARK”
means the host is busy and
can not receive data.Signal “SPACE”
means the printer is ready to receive data.
5
GND
——
Signal Ground