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2. Copier-specific Adjustments
(3) Perform color balance adjustment or RGB adjustment to adjust the tint of the colors in general.
* For further information regarding the adjustment procedures, refer to procedure (4) in 2.2 To Closely Match
the Color Balance of the Original.
After adjusting the tint of colors, copy and check the copy image quality.
If further image quality adjustments are still necessary, the service technician must use the next procedure.
(4) Enter adjustment mode [05]. Change the values for codes [1779 to 1798] to adjust the color density.
Color to
Acceptable
Original mode [05] code Subcode Recommended value
Default
adjust
value range
Text/Photo
05-1779
0/1/2
Text
05-1780
0/1/2
Y
Printed image
05-1781
0/1/2
(Yellow)
Photo
05-1782
0/1/2
Map
05-1783
0/1/2
Text/Photo
05-1784
0/1/2
Text
05-1785
0/1/2
M
Printed image
05-1786
0/1/2
(Magenta)
Set a value larger than 128
Photo
05-1787
0/1/2
to increase the density.
Map
05-1788
0/1/2
0 to 255
128
Text/Photo
05-1789
0/1/2
Set a value smaller than 128
Text
05-1790
0/1/2
to decrease the density.
C
Printed
image
05-1791
0/1/2
(Cyan)
Photo
05-1792
0/1/2
Map
05-1793
0/1/2
Text/Photo
05-1794
0/1/2
Text
05-1795
0/1/2
K
Printed image
05-1796
0/1/2
(Black)
Photo
05-1797
0/1/2
Map
05-1798
0/1/2
* Set the value in increments of approximately 10, while checking the copy image until the optimum value is
obtained.
* The value for the code corresponding to the original mode (Text/Photo, Text, or Printed image) will affect
the copy image quality in the Full color mode and the Auto color mode.
* The subcode varies according to the area where the density is adjusted. Refer to the table below and set
the subcode for the area to be adjusted.
Subcode
Area where the density is adjusted
0
Low-density area
1
Medium-density area
2
High-density area
‰ Precautions after the completion of the adjustment
The adjustment may possibly vary the hues of areas (including photo images and text) other than those marked
with highlighters. Therefore, carefully perform the adjustment, while checking the copy image.
‰ Remarks
Enter a value within the recommended value range mentioned in the procedures. Otherwise, it may cause a loss
in MFP performance, including degradation in the image quality.
e-STUDIO2500c/3500c/3510c
2.12