Apple ColorLaserWriter 12/600PS - Manual (Page 65)

Adjusting communication settings
Though you can adjust many of the Color LaserWriter 12/600 PS
communication settings, the standard (factory default) settings work for
most environments.
Standard (factory default) settings for the parallel port
Port Mode Data Protocol
Parallel On AutoSelect TBCP
Standard (factory default) settings for the other ports
Port Interface Mode
LocalTalk LocalTalk On
Ethernet EtherTalk On
NetWare On
TCP/IP On
Configuration
switch
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