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SELF-DIAGNOSTIC MODE
2 - 39
2.5.5 Image Processing
Adjustment mode (05)
Code
Classific
ation
Items
Functi
on
Default
<Accept
able
value>
RAM Contents
Proce
dure
503 Image Density
adjustment
Manual
adjustment /
Center value
Text/Photo PPC
(black)
128
<0-255>
SYS The larger the value is,
the darker the image at
the center value
becomes.
1
504 Text PPC
(black)
128
<0-255>
SYS 1
505 Image Density
adjustment
Manual
adjustment /
Light step
value
Text/Photo PPC
(black)
20
<0-255>
SYS The larger the value is,
the lighter the image of
the “light” step
becomes.
1
507 Text PPC
(black)
20
<0-255>
SYS 1
508 Image Density
adjustment
Manual
adjustment /
Dark step
value
Text/Photo PPC
(black)
20
<0-255>
SYS The larger the value is,
the darker the image of
the “dark” step
becomes.
1
510 Text PPC
(black)
20
<0-255>
SYS 1
514 Image Density
adjustment
Automatic
adjustment
Text/Photo PPC
(black)
128
<0-255>
SYS The larger the value is,
the darker the image
becomes.
1
515 Text PPC
(black)
128
<0-255>
SYS 1
580 Image Automatic
gamma
adjustment
(Black)
All media
types
PPC
(black)
- - • When color
deviation is found in
gradation
reproduction, the
gradation
reproduction of
color K can be
corrected with the
automatic gamma
adjustment.
• The result of the
correction above will
be applied to all
media types.
7
59
0-0 Image
Gamma
balance
adjustment
(Text/Photo)
Low
density
PPC
(black)
128
<0-255>
SYS The larger the value is,
the darker the image of
the area surrounding
the target area
becomes.
4
590-1 Medium
density
PPC
(black)
128
<0-255>
SYS 4
590-2 High
density
PPC
(black)
128
<0-255>
SYS 4
591-0 Image Gamma
balance
adjustment
(Text)
Low
density
PPC
(black)
128
<0-255>
SYS 4
591-1 Medium
density
PPC
(black)
128
<0-255>
SYS 4
591-2 High
density
PPC
(black)
128
<0-255>
SYS 4
592-0 Image Gamma
balance
adjustment
(Photo)
Low
density
PPC
(black)
128
<0-255>
SYS 4
592-1 Medium
density
PPC
(black)
128
<0-255>
SYS 4
592-2 High
density
PPC
(black)
128
<0-255>
SYS 4