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3-62 M3099GX/GH OEM Manual
Table 3.37 Contrast
Value
00h
01h
|
80h
|
FFh
Contrast
Default (same to 80h)
Soften
Normal
Harden
Image Composition: 00h(Black and white), 01h(halftoned)
The image composition field specifies the type of scan operation
requested. The image composition is defined as shown in Table 3.38.
Table 3.38 Image Composition Codes
Code
00h
01h
02h to FFh
Description
Bi-level black and white
Dithered/halftone black & white
Reserved
Bits Per Pixel: 01h(1bit per pixel)
The bits per pixel field specifies the number of bits used to represent
the intensity of a single color.
Halftone: Table 3.39, 3.40
The halftone field specifies the level of halftone at which the scan
data is converted to binary data. The values in this field are vendor
specific. This halftone field is used in conjunction with the image
composition field. Fujitsu defines this field two subfields to fitst byte
as Halftone Type field and second byte as Halftone Pattern.
Halftone type: 00h(default), 01h(dither), 02h(error diffusion)
Halftone Type field specifies method of halftoning shown in Table
3.39. A value of zero indicates default halftoning method of the
device.
#03.pm5 98.2.22, 1:32 PM62