Set Gamma Correction (Esc Z) - Epson ES-1000C Reference Manual

2. Set gamma correction (ESC Z)

This command adjusts the scanned data according to the type of
output device you plan to use.
The gamma correction setting is independent of any other scanner
settings.
On B4 and higher-level scanners, you can use the ESC z command to
define gamma correction tables to match the unique needs of specific
types of documents and output devices.
Gamma correction processes data for various types of output devices
as explained below:
CRT Display A
This setting takes the scanned data and converts it directly to image
data. This is suitable for displays that are incapable of displaying
different tones of gray or color; for example, displays that can display
only 8 or 16 colors. This is also recommended for line or character
data that is scanned as bi-level data (1 bit/pixel/color).
2-10
Command Usage