Apple LaserWriter 12/640 PS - Manual (Page 137)

Having both FinePrint and PhotoGrade on can affect how images print. For
documents that have many images and require high-quality reproduction,
you may want to turn FinePrint off. To determine the effect of printing
using FinePrint and PhotoGrade, you can print portions of a document
with FinePrint and PhotoGrade turned on or off to see the differences in
printed output.
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)
1 Choose Print from the File menu.
The Print dialog box appears.
2 Choose Imaging Options from the Settings pop-up menu.
The Imaging Options dialog box appears.
3 Make the selection you want.
137 Mac OS Users