Xante ScreenWriter 3 Manual page 123

2. Change the Linearization window LPI setting in the Print box
(fig. 4.25) to achieve 256 levels of gray for the resolution at
which you are printing.
Note: For 600 dpi, select 85 lpi; for 1200 dpi, select 106 lpi.
3. Print a Calibration Page to measure the printer's current
performance as a basis for the calibration. To do this use the
following procedure:
Note: Always print the calibration page using the same media
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Fig. 4.25 Linearization Window
Any lpi may be used; measure the lpi that is to be used
for final output.
and toner or press ink as used for the final copy. When
calibrating plate or film media, you must select Man
Feed using the Tray Select key and select the media
size through the front panel MISC: MAN FEED menu.
Universal is the largest size available in the front
panel. If you have larger media, you need to cut it
down to 13" x 18.5" (330 mm x 470 mm).
PC Setup 4-37