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User’s Guide
Interface Specifications B-7
B.3 RS-232 Serial Interface
• Data Transfer Rates (Baud Rate):
110 2400
300 4800
600 9600
1200 19200
1800
• Synchronization:
Start-Stop Bits
• Data Format:
Start Bit: 1
Data Bits: 7 or 8
Parity: Odd, even or no parity
Stop Bit: 1 for reception
1 for transmission
If the host serial interface is configured for 7 Bit data with no parity, data from host
computer must contain two stop bits.
• Handshaking Protocols:
X-ON/X-OFF: (DC1/DC3) In this protocol, the printer will respond with the DC3 (X-
OFF) character when:
Print buffer is nearly full.
Paper out condition exists.
Carriage jam condition detected.
Printer is off line.