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3. Download gamma table (ESC z)
Using this command, you can select the table used for gamma
correction. You can specify the type of output adjustment produced
for each of the 256 available color tones.
For example, to achieve the following type of image correction, you
can set the values determined by the equation below.
4. Set Sharpness (ESC Q)
This command is used to emphasize or de-emphasize the edges in
your images. Five settings are available. Emphasizing the edges of an
image makes it appear sharper. De-emphasizing the edges make it
appear softer. It is difficult to classify which images appear better with
which setting; you must match this setting to your particular document
and output device.
2-12 Command Usage