Color Balance Adjustment - Toshiba e-STUDIO6520C Service Handbook

3.2.3

Color balance adjustment

The color balance is adjusted by adjusting the density of each color at the Full Color Mode. The
adjustment is performed by selecting its density area from the following: low density, medium density
and high density.
Color
Text/
Text
Photo
Yellow 1779-0 1780-0
1779-1 1780-1
1779-2 1780-2
Magenta 1784-0 1785-0
1784-1 1785-1
1784-2 1785-2
Cyan 1789-0 1790-0
1789-1 1790-1
1789-2 1790-2
Black 1794-0 1795-0
1794-1 1795-1
1794-2 1795-2
Make a test copy and compare the image obtained with the current settings; if necessary, make
adjustments according to the following procedure.
Notes:
• Be sure that this adjustment is made after performing
adjustment".
• Changing the adjustment setting influences the adjacent density area slightly.
E.g.: When the value of the medium density is larger, the adjacent areas in the low density
and high density range will become slightly darker.
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Key in the code of the mode to be adjusted (color and original mode) and press the [START]
button.
(3) Select the density area to be adjusted with digital keys (0, 1 or 2), and press the [START] button.
0: Low density (L)
1: Medium density (M)
2: High density (H)
(4) Key in an adjustment value. (To correct the value once keyed in, press the [CLEAR] button.)
(5) Press the [ENTER] or [INTERRUPT] button to store the value in memory.
→ The equipment goes back to the ready state.
(6) For resetting the value, repeat step (2) to (5).
(7) Press the [FAX] button and then press the [START] button to make a test copy.
(8) If the desired image quality has not been attained, repeat step (2) to (7).
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Original mode
Printed
Photo Map
Image
1781-0 1782-0 1783-0
1781-1 1782-1 1783-1
1781-2 1782-2 1783-2
1786-0 1787-0 1788-0
1786-1 1787-1 1788-1
1786-2 1787-2 1788-2
1791-0 1792-0 1793-0
1791-1 1792-1 1793-1
1791-2 1792-2 1793-2
1796-0 1797-0 1798-0
1796-1 1797-1 1798-1
1796-2 1797-2 1798-2
3 - 35
<Adjustment Mode (05)>
Item to be
User
adjusted
Custom
7980-0 Low density
7980-1 Medium density
7980-2 High density
7981-0 Low density
7981-1 Medium density
7981-2 High density
7982-0 Low density
7982-1 Medium density
7982-2 High density
7983-0 Low density
7983-1 Medium density
7983-2 High density
P.3-32 "3.2.1 Automatic gamma
e-STUDIO5520C/6520C/6530C
Remarks
The larger the
value is, the
darker the color
to be adjusted
becomes.
Acceptable
values:
0 to 255
(Default: 128)
ADJUSTMENT
3