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