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Appendix C Host Computer

Interface

C

This appendix explains the signals used in the printer’s parallel and RS- 232C interfaces. It
also lists pin assignments, signal functions, t imings, connector specifications, and voltage
levels. The RS-232C protocols are also covered. Finally, it explains how to use the printer in
a multi-computer environment.
This appendix explains the following topics:
• Parallel Interface
•USB Interface
• Serial Interface (Option)
• RS-232C/RS-422A Protocol
• RS-232C Cable Connection