Keep this Quick Guide near the scanner for ready reference.
Basic Setup Dialog Box
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1
User Preference
Name and save your settings.
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2
Mode
Selects the scanning mode.
☞
[Text Enhanced] and [Advanced Text Enhancement
2
] process the background of a document so the
text is enhanced and easier to read.
☞
The Smoothing Gray/Color options used to smooth
images and reduce moiré patterns are available
when [400 dpi] Dots per inch or below is selected.
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3
Page Size
Selects the size of the pages to be scanned.
☞
Selecting [Auto-detection] causes automatic page
size detection when scanning.
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4
Dots per inch
Selects scanning resolution.
5
5
5
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5
Brightness
Adjusts brightness of scanned images.
[Brightness] is set automatically when the Text
Enhanced mode is selected.
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6
Contrast
Adjusts contrast of scanned images.
[Contrast] is set automatically when the Black and
White or Text Enhanced mode is selected.
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7
Scanning Side
Specifies the side of the document to scan.
☞
When [Skip blank page] is selected, images are
skipped if they are determined blank based on the
[Ratio of black pixels] value.
☞
When [Folio] is selected, both sides of a document
are scanned, and the images displayed are
combined into one image. For details, refer to the
user’s guide.
☞
When the [Reverse side] check box is selected, the
mirror image of the scanned document is
displayed.
☞
[Ratio of black pixels] specifies the ratio of black
areas (0 to 20%) when skipping blank pages.
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8
8
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8
Feeding Option
Selects the document feeding method.
☞
[Standard Feeding] scans all loaded documents
when scanning is started from the application
program.
☞
[Panel-Feeding] scans all loaded documents when
scanning is started by the scanner's scan button.
☞
[Automatic Feeding] starts scanning when the
scanner detects a loaded document.
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9
Deskew
When a document page feeds at a slant, the scanned
image is straightened.
0
0
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0
Prescan
When scanning starts, a page of the document is
scanned and its image is displayed in the Prescan
window.
A
A
A
A
A
Scanning Option
Specifies operation during scanning.
☞
[Standard]:
after one page has been scanned and ejected, the
next page is scanned.
☞
[Scan Ahead]:
scans document pages continuously.
☞
[Scan Single Page]:
Scanning Side is set and fixed at [Simplex], and
only one page is scanned.
Scan Area Dialog Box
B
B
B
B
B
Page Size
Selects the size of the pages to be scanned.
☞
Click [Custom] to register a non-standard document
size as a custom page size.
C
C
C
C
C
Area
Specifies the area to be scanned.
☞
These settings are disabled when [Auto-detection]
is selected for the Page Size.
D
D
D
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D
Preview
When [Prescan] is selected, click this button to display
a preview image in the Prescan window after a page of
the document is scanned.
Advanced Settings Dialog Box
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E
E
E
E
Drop-out color
Enabled for all scanning modes except [24-bit Color],
this function selects skipping (drop-out) of red, green,
or blue or enhancement of red when scanning the front
or back of documents.
F
F
F
F
F
Gamma
To alter the standard gamma curve, select [Custom]
Gamma Data and change the gamma curve. For
details on this setting, click the Help button.
G
G
G
G
G
Edge emphasis
Enhances contours in scanned images.
H
H
H
H
H
Border Removal
Removes the black border that may be created around
scanned images.
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I
I
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I
Reverse Image
When the [Black and White], [Error Diffusion], or [Text
Enhanced] mode is selected, black and white are
reversed in the scanned image.
J
J
J
J
J
Scanner Adjustment
Scanner Adjustment is a function used to adjust the
reference values of the scanner when abnormalities
occur within the scanned images, and normal
maintenance does not remedy the problem. For details
on Scanner Adjustment, refer to “Adjusting the
Scanner” (see P.75) in the user’s guide.
This Quick Guide describes the TWAIN driver settings.
Click the Help button for details.
TWAIN Driver Quick Guide
Summary of Contents for 2050C - DR - Document Scanner
Page 2: ......
Page 6: ...iv ...
Page 24: ...18 Before Using the Scanner ...
Page 62: ...56 Using the Scanner ...
Page 70: ...64 Appendices 3 Select CANON DR 2050C USB and then click Properties 4 Click the Counter tab ...
Page 94: ...88 Index U Upper Cover 13 USB Connector 14 V Ventilation Openings 14 ...
Page 95: ...English Français Deutsch Espanõl Italiano Nederlands Memo ...
Page 96: ......
