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3.12.6 Make color gamma
The machine has a color gamma data table as color scanning correction data. The color gamma table ad-
justs RGB color balance, and is unique per machine because of the optical variation. Both the flash memory
on main control board and SD card keep the color gamma table, and the same data will be saved on both
parts when you make a color data though below operation.
Perform this operation to remake the color gamma table when the following parts is replaced:
•MaincontrolboardandSDcardarereplacedatthesametime
•CISisreplaced
The following chart is required to make the color Gamma:
2011-01
NOTE
Use a clean chart that is not tanned or folder.
1. Press <Mode>, <*>, <0>, <9>, then select [Make Color Gamma].
2. Set the color gamma chart on FBS (Flat Bed Scanner), and press [Make for FBS].
(Set the chart so that scanning starts from the chart top.)
3. Set the color gamma chart on ADF, and press [Make ADF/F].
(Set the chart so that scanning starts from the chart top.)
4. Press [Close] to go back to test function menu.
3.12.7 Select color gamma
The machine has a color gamma data table as color scanning correction data. The same color gamma table
is kept on the flash memory on main control board (Sub) and SD card (Main). When one of the board is
replaced, perform the following operation to remake the table on the other.
1. Press <Mode>, <*>, <0>, <9>, then select [Select Color Gamma].
2. Select the source to be copied.
Select [Sub] when the main control board is replaced, and [Main] when the SD card is replaced.
3. Check the display that “Yes” is displayed for all items.
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