C-1
Appendix C
Host Computer Interface
This appendix describes the signals used in the laser
printer’s parallel, 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 the use of the
printer in a multi-computer environment.
C.1. Parallel interface ..................................................... C- 2
C.2. Serial (RS-232C/RS-422A) Interface ...................... C- 7
C.3. RS-232C/RS-422A Protocol ................................... C-14
C.4. RS-232C Cable Connection.................................... C-17
Appendix C
Host Computer
Interface
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