Toshiba e-STUDIO2820C Service Handbook page 60

Classifi-
Code
cation
1642 Image Automatic
gamma
adjustment
(Color / Black)
1675 Image ACS judgment threshold
1688 Image Background
adjustment
(Full color /
1689
Automatic
density
1690
adjustment)
1691
1692
1698 Image Background
adjustment
(Full color /
1699
Manual den-
sity adjust-
1700
ment)
1701
1702
e-STUDIO2820C/2830C/3520C/3530C/4520C
SELF-DIAGNOSTIC MODE
Adjustment mode (05)
Func-
Items
tion
All media PPC
types (color)
PPC/
SCN
Text/Photo PPC
(color)
Text PPC
(color)
Printed PPC
image (color)
Photo PPC
(color)
Map PPC
(color)
Text/Photo PPC
(color)
Text PPC
(color)
Printed PPC
image (color)
Photo PPC
(color)
Map PPC
(color)
2 - 34
Default
<Accept-
RAM
able
value>
- SYS • When color devia-
tion is found in gra-
dation reproduction,
the gradation repro-
duction of 4 colors
can be corrected
with the automatic
gamma adjustment.
• The result of the
correction above will
be applied to all
media types.
70 SYS The larger the value is,
<0-255> the more an original
tends to be judged as
black even at the auto
color mode. The
smaller value is, the
more it tends to be
judged as color.
128 SYS The larger the value is,
<0-255> the lighter the back-
ground becomes.
128 SYS
<0-255>
128 SYS
<0-255>
128 SYS
<0-255>
128 SYS
<0-255>
128 SYS The larger the value is,
<0-255> the lighter the back-
ground becomes.
128 SYS
<0-255>
128 SYS
<0-255>
128 SYS
<0-255>
128 SYS
<0-255>
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