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PhotoGrade enhances the printed look of images, such as scanned
photographs, by providing more shades of gray and better printed clarity and
contrast. If your LaserWriter 12/640 PS has been upgraded to a minimum of
12 MB of memory, you can use PhotoGrade. You can set the printer’s default
to have PhotoGrade turned on or off.
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)
You can also change the way the images print by increasing or decreasing the
number of gray levels used to reproduce them. More levels of gray produce a
more natural-looking photographic quality. However, increasing the number
of grays also decreases the resolution of the image. For each level of gray, a
unique pattern of laser pulses is required to produce a printed dot. More gray
levels require more variations in such patterns, which in turn require the
printer to use larger, more noticeable dots. You can experiment with various
settings to find the balance that suits your needs.
1 Choose Imaging Options from the Utilities menu.
The Imaging Options dialog box appears.
2 Choose the printer resolution.
3 Click the FinePrint on or off button.
4 Click the PhotoGrade on or off button.
5 Drag the Frequency/Angle slider to set screen angle and resolution.
6 Click OK.
A page prints confirming the choice.
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Setting Up the Printer for Windows, DOS, and NetWare Users