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Chapter 3
Image Functions
3.1
Overview of the image functions
The image functions of this scanner are summarized in Table 3.1 and Table 3.2.
Section No. and Image function
3.2.1 Output resolution
3.2.2 Main Window
clipping
3.2.3 Binary reading
3.2.4 Halftone reading
3.2.5 Grayscale reading
3.3.1 DTC mode
*1 *2
3.3.2 IPC mode
*1
3.3.3 Sub window
3.3.4 Zooming
3.3.5 Dither downloading
3.3.6 Gamma downloading
3.3.7 Overlay downloading
*1 DTC and IPC mode functions are exclusive.
*2 In IPC-3D, DTC and IPC mode Simplified DTC use the same algorithm.
Table 3.1 Image functions
(1) Offset and size
(2) Page end detection
(1) Dither
(2) Error diffusion
(1) Pre-filter
(2) Gradation
(3)Dynamic threshold curve
(4)Equal to white
(5)Noise Removal
(6)Smoothing
(1)Simplified Dynamic
Threshold *2 *5
IPC-2 like Simplified Dynamic
Threshold *5
(2)Image Emphasis
Image Emphasis (smooth)
(3)Outline Extraction
(4)Automatic Separation
(5)Mirror image/Black and
White reverse
(6)Overlay
Selectable parameters
No IPC
with IPC-2D
option
option
100/150/200/240/300/400/600 dpi
See section 3.3.2 (1)
ON/OFF
Density
Contrast
White level following ON/OFF
Four built-in patterns
ON/OFF
Contrast
N/A
Ordinary/Ball-point Pen
N/A
High Contrast /
Ordinary
N/A
8 types
(Darkness)
N/A
ON/OFF
N/A
OFF / 2x2 / 3x3 / 4x4 / 5x5
N/A
Image/OCR
N/A
7 steps
(variance rate)
N/A
N/A
N/A
High/Mid/Low
N/A
Smooth
N/A
ON/OFF
N/A
ON/OFF *6
N/A
ON/OFF
N/A
ON/OFF, six built-in patterns
N/A
Max. 4
N/A
See Table 2.4
N/A
Max. 8 patterns
N/A
Max. 8 patterns
N/A
Max. 8 patterns
With IPC-3D
option
Ignored *3
8 steps
(Sensitivity) *2
7 steps
(Sensitivity) *4
7 steps
(Sensitivity)
High/Mid/Low
Background
Removal *7
Ignored *8
3-1
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