Canon 3624B002 User Manual - Page 113

Auto Color Detection], Black and White], Error Diffusion], Advanced Text Enhancement], 256-level Gray]

Get Canon 3624B002 PDF manuals and user guides View all Canon 3624B002 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 113 highlights

[Auto Color Detection] The document is detected as black-and-white or color before the scanned image is saved. Selecting this mode enables the [Setting] button for opening the [Auto Image Type Detection Settings] dialog box, where you can make settings for auto image type detection. (See "[Auto Image Type Detection Settings] Dialog Box" on p. 8-11.) IMPORTANT Depending on the application program, operation may become unstable when [Auto Color Detection] is enabled. In that case, [Auto Color Detection] should be disabled. [Black and White] Use this mode to scan text and line drawing documents as black-and-while (binary) images. [Error Diffusion] Use this mode to scan documents containing photos as black-and-white (binary) images. [Advanced Text Enhancement] Use this mode to scan documents with a dark or nonuniform (pattern) background. Hint • If the background is uniform, it is removed where it surrounds the text. • If the background is non-uniform, such as a pattern, it is processed to enhance text readability. [Advanced Text Enhancement II] This mode is displayed when the resolution is 300 dpi or lower, and is good for scanning documents with uniform background colors or light text and backgrounds. Hint • The background in tight spaces around text may not be removed. • Documents with low-contrast text can be made more readable by adjusting Contrast on the [Brightness] tab sheet. Chapter 8 ISIS/TWAIN Driver Settings • If the background is non-uniform, such as a pattern, the background remains visible in the image, and text may be difficult to read. [256-level Gray] Scans documents, such as photos, as 256-level grayscale images. [24-bit Color] Scans documents, such as color photos, as full-color images. Page Size Select the page size of the document to be scanned. IMPORTANT • Select [Auto-detection] to scan the following kinds of documents. - Documents of a non-standard size - Documents containing pages of different sizes - When using the Long Document mode (See "Long Document Mode Setting" on p. 3-4.) • When [Auto-detection] is selected, the area settings in the Scan Area dialog box are disabled. • The [Auto-detection] process may malfunction in the following situations. If this occurs, select a standard size such as [A4] or [Letter], or click the [Area] button to create a custom page size. (See "[Scan Area] Dialog Box" on p. 8-12.) - When scanning a page with a dark area at the left or right edge - When scanning a glossy or reflective document - When the brightness setting is incorrect - When the Custom setting is selected in the Gamma Settings dialog box • Depending on the application program, operation may become unstable when [Auto-detection] is enabled. In that case, [Auto-detection] should be disabled. 8-8

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
8-8
Chapter 8
ISIS/TWAIN Driver Settings
[Auto Color Detection]
The document is detected as black-and-white or color
before the scanned image is saved.
Selecting this mode enables the [Setting] button for
opening the [Auto Image Type Detection Settings] dialog
box, where you can make settings for auto image type
detection.
(See “[Auto Image Type Detection Settings]
Dialog Box” on p. 8-11.)
IMPORTANT
Depending on the application program, operation may become
unstable when [Auto Color Detection] is enabled. In that case,
[Auto Color Detection] should be disabled.
[Black and White]
Use this mode to scan text and line drawing documents as
black-and-while (binary) images.
[Error Diffusion]
Use this mode to scan documents containing photos as
black-and-white (binary) images.
[Advanced Text Enhancement]
Use this mode to scan documents with a dark or non-
uniform (pattern) background.
Hint
•
If the background is uniform, it is removed where it surrounds
the text.
•
If the background is non-uniform, such as a pattern, it is
processed to enhance text readability.
[Advanced Text Enhancement II]
This mode is displayed when the resolution is 300 dpi or
lower, and is good for scanning documents with uniform
background colors or light text and backgrounds.
Hint
•
The background in tight spaces around text may not be
removed.
•
Documents with low-contrast text can be made more readable
by adjusting Contrast on the [Brightness] tab sheet.
•
If the background is non-uniform, such as a pattern, the
background remains visible in the image, and text may be
difficult to read.
[256-level Gray]
Scans documents, such as photos, as 256-level grayscale
images.
[24-bit Color]
Scans documents, such as color photos, as full-color
images.
Page Size
Select the page size of the document to be scanned.
IMPORTANT
•
Select [Auto-detection] to scan the following kinds of
documents.
– Documents of a non-standard size
–
Documents containing pages of different sizes
–
When using the Long Document mode
(See “Long
Document Mode Setting” on p. 3-4.)
•
When [Auto-detection] is selected, the area settings in the
Scan Area dialog box are disabled.
•
The [Auto-detection] process may malfunction in the following
situations. If this occurs, select a standard size such as [A4] or
[Letter], or click the [Area] button to create a custom page size.
(See “[Scan Area] Dialog Box” on p. 8-12.)
– When scanning a page with a dark area at the left or right
edge
– When scanning a glossy or reflective document
–
When the brightness setting is incorrect
–
When the Custom setting is selected in the Gamma Settings
dialog box
•
Depending on the application program, operation may
become unstable when [Auto-detection] is enabled. In that
case, [Auto-detection] should be disabled.