Apple ColorLaserWriter 12/600PS - Manual (Page 211)

Features
Click the Features tab to display the Features tab dialog box, which lets you
configure the printer software to use optional printing features that you install
on the Color LaserWriter 12/600 PS. Use this dialog box to set up any
optional features you may purchase, such as additional memory or the 250-
sheet feeder.
The Features tab dialog box lets you configure the printer to use the following
options:
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Memory Configuration The amount of RAM installed in the printer.
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Cassette Indicates whether you have installed the optional 250-sheet
feeder.
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Tray Switch Turns tray switching on or off.
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Paper Type Plain or Transparency.
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Print Quality Mode Normal (fastest print speed) or Best (slower print speed).
186 Chapter 7