Apple LaserWriter 12/640 PS - Manual (Page 123)

5 Choose the output tray from the list box.
The Face Down output tray is the default. This tray is located on the top of
the printer and stacks the output media face down.
Face Up output reduces the curl of your paper by using a “straight-through”
paper path through the printer. This is useful when you print on heavy media,
such as transparencies, envelopes, and postcards.
Note: You can use Face Up output with or without the optional face-up
output tray. However, the face-up output tray stacks the papers neatly in a tray
instead of on the surface where the printer is located.
6 Choose “two-sided, no tumbling” or “two-side, with tumbling” from the duplex print
list box.
If your LaserWriter 12/640 PS has been upgraded to a minimum of 12 MB of
memory, and you’ve installed the optional duplex printing unit, you can print
on both sides of the paper.
If you want the binding orientation along the side of the paper (like in a book
or magazine), choose “two-sided, no tumbling” If you want the binding
orientation along the bottom side of the paper (like in a calendar), choose
“two-sided, with tumbling.”
If you want to You need this much printer memory
Turn on PhotoGrade or use the 12 MB
duplex printing option
Turn on PhotoGrade and duplex 20 MB
print on all size paper (except legal)
Turn on PhotoGrade and duplex 24 MB
print on all size paper (including legal)
7 Click OK.
A page prints confirming the choice.
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