Lexmark C510 Manual De Instrucciones página 39

Parallel
Serial
A parallel port is included on base printer models.
A parallel port requires an IEEE-1284 compliant parallel cable such as
Lexmark part number 1329605 (3 m [10 ft]).
A serial port can be attached through the INA port on the printer
system board.
A serial port requires a compatible serial cable such as Lexmark part
number 1038693.
Attach cables
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