B-1
Appendix B
Host Computer
Interface
B
This appendix describes the signals used in the laser printer’s parallel and
RS-232C/RS-422A interfaces. It also lists pin assignments, signal functions,
timings, connector specifications, and voltage levels. The RS-232C/RS-422A
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
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