IMAGE ADJUSTMENT
21 May, 1999
6-32
MTF algorithm
Bit No.
FUNCTION
COMMENTS
0-4
Not used
Do not change the settings.
5
6
MTF algorithm
Bit 6 5 Setting
0 0 High on main
and sub scan
0 1 Low on main
and sub scan
1 0 High on sub
scan
1 1 Low on sub
scan
The ”high” setting enhances the thickness of
thin lines and dots more than the “low” setting,
however it also makes dust more obvious.
7
Not used
Do not change the settings.
Mode
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Text
AID on
800CEE(H)
1
1
0
1
0
0
0
0
Halftone
AID off
800CF6(H)
1
0
1
1
0
0
0
0
AID: Auto Image Density
NOTE: Do not change bits in the shaded part of the table.
Background detection threshold
Bit No.
FUNCTION
COMMENTS
0-1
Not used
Do not change the settings.
2
Background detection
threshold
0: Low
1: High
This bit is for text mode only.
0: Suitable for originals that have dark
background.
1: The text thickness is enhanced, however
dust becomes more obvious.
3-7
Not used
Do not change the settings.
Mode
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Text
AID on
800CF0(H)
1
0
0
0
0
0
0
0
Halftone
AID off
800CF8(H)
1
0
0
0
0
0
0
0
AID: Auto Image Density
NOTE: Do not change bits in the shaded part of the table.
