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IMAGE ADJUSTMENT
MTF algorithm
Bit No.
0-4
Not used
5
MTF algorithm
Bit 6 5 Setting
6
0 0 High on main
0 1 Low on main
1 0 High on sub
1 1 Low on sub
7
Not used
Mode
Text
Auto on
Auto off
Halftone
Auto: Auto image density
NOTE: DO not change bits in the shaded part of the table.
Background detection threshold
Bit No.
0
Not used
1
Not used
2
Background detection
threshold
0: Low
3-7
Not used
Mode
Text
Auto on
Auto off
Halftone
Auto: Auto image density
NOTE: DO not change bits in the shaded part of the table.
FUNCTION
and sub scan
and sub scan
scan
scan
Address
800627H
80062BH
80062FH
FUNCTION
1: High
Address
800629H
80062DH
800631H
The "high" setting enhances the thickness of
thin lines and dots more than the "low" setting,
however it also makes dust more obvious.
Do not change the setting.
Bit7
Bit6
Bit5
1
1
0
1
1
0
1
0
1
This bit is for text mode only.
0: Suitable for originals that have dark
background.
1: The thickness text is enhanced, however
dust is more obvious.
Do not change the settings.
Bit7
Bit6
Bit5
1
0
0
1
0
0
1
0
0
6-30
30 November, 1999
COMMENTS
Bit4
Bit3
Bit2
1
0
0
1
0
0
1
0
0
COMMENTS
Bit4
Bit3
Bit2
0
0
0
0
0
0
0
0
0
Bit1
Bit0
0
0
0
0
0
0
Bit1
Bit0
0
0
0
0
0
0
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