Apple ColorLaserWriter 12/600PS - Manual (Page 289)

Communication settings
The following table shows the default communication settings. For
information about using the configuration switch to adjust communications
settings, see “Adjusting Communication Settings” in Chapter 1. To change or
view the current communication settings, use the Apple Printer Utility on the
Macintosh (see Chapter 2 for details) or the Apple Printer Utility for
Windows on an IBM PC or compatible computer (see Chapter 3 for details).
Right switch position
These are the factory default settings:
Port Mode Data Protocol
Parallel On AutoSelect TBCP
Port Interface Mode
LocalTalk LocalTalk On
Ethernet EtherTalk On
Netware On
Parallel TCP/IP On
266 Appendix A