Fujitsu M3097DG Oem Manual page 126

Scanner Interface
(g) Threshold: Byte 17
Specifies the threshold value for the line art (Byte 19='00'
Value (Hex)
(h) Contrast: Byte 18
Specifies the contrast value for the line art or the halftone.
Value (Hex)
(i) IMAGE COMPOSITION: Byte 19
Appendix A-56
00 Default:
•
without IPC-2 or IPC-2D option
- Same as value X'80'.
•
with IPC-2 or IPC-2D option
- Dynamic threshold, or simplified dynamic
threshold
01 Brightest
80 Normal
FF Darkest
00 Default: same as value X'80'.
01 Mostly soft
80 Normal
FF Mostly sharp
Value (Hex)
00 Line art (Binary image)
01 Halftone (Binary image)
02 Gray scale
03 to FF (Reserved)
Brightness
Brightness
Image output