1300 Service Manual
General Description
1.3.2 Optional Interface
only)
Type:
RS-232C or current loop
Synchronization:
Asynchronous start-stop system
Start bit:
1
bit
Stop bit:
1 bit
Data length:
7 or 8 bits
Parity:
Odd,
even, or
none
Protocol:
X-ON/X-OFF (cannot be combined with
control)
control
be combined
with
Transfer
speed:
300,600,1200,1800,2400, 4800,9600, or 19200 bps
Error handling:
Overrun error:
Processed as missing data and replaced by “*”
Parity error:
Replaced by
Framing error:
Replaced by “*”
Breaking character: Ignored
Handshaking
When the vacant area for data in the input buffer drops to 256 bytes, the printer outputs an
code or sets the
signal level to LOW, indicating that the printer cannot receive more data.
Once the vacant area for data in the buffer recovers to 512 bytes, the printer outputs an X-ON code
or sets the
signal level to HIGH, indicating that the printer is again ready to receive data.
Rev.
1-15
