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CHAPTER 3 BEFORE WORKING WITH THE PRINTER
3–5
AUTOMATIC INTERFACE SELECTION
This printer has an automatic interface selection function. When the
printer receives data from the computer, it automatically selects the bi-
directional parallel or RS-232C serial interface as appropriate.
When you use the parallel interface, you can turn the high-speed and bi-
directional parallel communications on or off with the MODE switch.
For further information, see “MODE Switch” in Chapter 4. Since the
automatic interface selection mode has been factory set to ON, simply
connect the interface cable to the printer.
When you use the serial interface, you need to have the same
communications settings on both the printer and computer. Since the
automatic interface selection mode has been factory set with certain
settings, you may be able to simply connect the interface cable to the
printer if your computer has the settings listed below.
Communications Parameters Factory Settings
Baud rate (data transfer speed) 9600
Code type (data length) 8 bits
Parity (data error check) None
Stop bit (data separator) 1 stop bit
Xon/Xoff (handshake protocol) ON
DTR (ER) ON
Robust Xon OFF
When necessary, select the interface or the serial communications
parameters manually with the MODE switch (INTERFACE MODE) on
the printer. For further information, see “MODE Switch” in Chapter 4.
For the settings on the computer, see the manual of the computer or
software you are using.