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e-STUDIO281c/351c/451c
(3) Perform the color balance adjustment or RGB adjustment to adjust the hue.
* For further information regarding the adjustment procedures, refer to procedure (2) in 2.2 To Closely
Match with the Color Balance of the Original.
After adjusting the hue, copy and check the copy image quality.
If further image quality adjustments are still necessary, use the next procedure.
(4) Enter adjustment mode [05]. Change the values for codes [1779 to 1798] to adjust the color density.
Color to be
adjusted
Original mode [05] code Subcode Value recommended
Acceptable
value range
Default
Text/Photo 05-1779 0/1/2
Text 05-1780 0/1/2
Printed image 05-1781 0/1/2
Photo 05-1782 0/1/2
Y
(Yellow)
Map 05-1783 0/1/2
Text/Photo 05-1784 0/1/2
Text 05-1785 0/1/2
Printed image 05-1786 0/1/2
Photo 05-1787 0/1/2
M
(Magenta)
Map 05-1788 0/1/2
Text/Photo 05-1789 0/1/2
Text 05-1790 0/1/2
Printed image 05-1791 0/1/2
Photo 05-1792 0/1/2
C
(Cyan)
Map 05-1793 0/1/2
Text/Photo 05-1794 0/1/2
Text 05-1795 0/1/2
Printed image 05-1796 0/1/2
Photo 05-1797 0/1/2
K
(Black)
Map 05-1798 0/1/2
Set a value larger than 128
to increase the density.
Set a value smaller than 128
to decrease the density.
0 to 255 128
* Set the value in increments of approximately 10, while checking the copy image until the optimum value is obtained.
* Changing the values for the codes corresponding to Text/Photo mode will affect the copy image quality in
Full color mode and Auto color mode.
* The subcode varies, according to the area for which the density is adjusted. Refer to the table below and
set the subcode for the area to be adjusted.
Subcode Area for the density to be adjusted
0 Low-density area
1 Medium-density area
2 High-density area
Cautions after the completion of the adjustment
The adjustment may possibly cause offset failure, particularly when the highly colored original is copied in Photo mode.
Also, it may cause degradation in the color reproducibility. (Excessively enhancing the tint of black makes other colors,
such as skin tones, look dull.) Therefore, carefully perform the adjustment, while checking the copy image.
Remarks
Enter the value within the recommended value range mentioned in the procedures. Otherwise, it may cause a loss
in copier performance, including degradation in the image quality and reduction in the life of the consumables.
2. Copier-specific Adjustments
2.3