Scan2

[Lawana Stuckert]

Seiko Epson Corporation reserves the copyright of the binary files which are included in the sources.
These binary files are distributed under SEIKO EPSON CORPORATION SOFTWARE LICENSE AGREEMENT.
This software is distributed free of charge and without warranty.
Seiko Epson Corporation won't be held liable for any loss or damages that may be incurred as a result of the use of this software.

Epson Scan 2 is Linux software for Epson scanners & multifunction printer.
Epson Scan 2 has own front-end, it allows to set various scanner settings with graphical user interface
and save the scanned images to the various file type.
It supports USB and network connection for the network capable scanners.
Scanner can be controlled via not only own front-end but also command line option.

An error might be occurred during the installation of Epson Scan 2.
In that case, try the following workaround.

• The package installation order is not correct.

Workaround:
Try the installation as following to the procedures described in [5. How to install and uninstall].
By using the auto installation script, it will install the package automatically in the correct order.

If more than one scanner is connected to the network or local,
by clicking the scanner combobox at the top of the main window the list of available devices is displayed.
Please select the device you want to use from the list.

There are two ways to display the Add Network Scanner dialog.
- When you start epsonscan2 for the first time.
- When you click on the scanner combo box at the top of the main window and press the "add" button.

At startup, if the scanner on the network is recognized correctly, it starts without any problem.
At this time, when multiple scanners are connected, select the scanner to use.
See "8. Select scanner"

Note:

• Some items and settings may not be available depending on the scanner you are using.
  Read this help for the sections that apply to your scanner.
• Scanning may take some time depending on the features you selected.

[Document Source]
You can select the source where the original is placed.
If you select Auto Detect, the take-up device is automatically selected.
However, you may not be able to select Auto Detect depending on the scanner you are using.
ADF stands for Auto Document Feeder. (supported models only)

Note:

• Some items and settings may not be available depending on the scanner you are using.
  Read this help for the sections that apply to your scanner.
• Put the mouse cursor on the Document Size to display the actual size (width * length).
• If the size of the original you want to scan is not on the list, select Customize, and then create the size manually.
• If the size is not listed when scanning a long original, create a custom document size or select Auto Detect (Long Paper).
• Depending on the length of an original, the resolution is limited.
• Click the Configuration button to change the unit size from the General tab.

- Auto Detect

The size of long paper is detected automatically.
The size of long paper up to 3,000 mm (118.1 in.) is detected automatically.
This may not be available depending on the scanner or the Document Source settings.

Detects the color of the scanned image automatically.
You can change the detection color.
Select Settings from the list,
and then set Detection Color for "Auto" on the Image Type Settings screen.

Grayscale/B&W Sensitivity
Set the sensitivity to determine whether the original is grayscale or monochrome when scanning a non-color original.
This setting is available when Color/Grayscale/B&W is selected as the Detection Color for "Auto".
Originals tend to be scanned in grayscale when the setting is closer to More Gray,
and in monochrome when the setting is closer to More B&W.

Note:

• If the optimal resolution is not in the list, you can manually enter a resolution.
  The range of the resolution you can enter differs depending on the scanner you are using.
• Depending on the length of an original, you cannot set a resolution higher than 300 dpi.

[Rotate]
You can rotate the original clockwise and scan it.
Select the rotation angle depending on the original you want to scan.
If you select Auto and scan the original, the image is rotated by detecting the orientation of the text information.
However, this may take some time depending on the image size, and so on.
Select Settings to display the Rotate Settings screen. You can set the rotation method when you select Auto.

Note:

• When using this feature, areas that are fed askew are corrected using white.
• To use this feature, set the Resolution on the Main Settings tab to 600 dpi or less.
• This feature may not be able to correct documents that have been over skewed.

[Add or edit pages after scanning]
When this is selected, you can scan once, add a different original,
and then edit (rotate, move, and delete) the scanned page.

Note:
In the following cases, a warning is not displayed even when Detect Double Feed is set.

• When Carrier Sheet is selected in Document Source on the Main Settings tab.
• When Plastic Card is selected in Document Size on the Main Settings tab.

Note:

• Depending on the document type, feeding may pause before outputting the originals and scanning may be slower.
• Depending on the condition of the overlapping originals, you cannot detect double feeding.
• Depending on the originals, such as originals with damaged edges, irregular shaped originals,
  or originals with dark backgrounds, you cannot detect double feeding.
• Some originals may be misdetected as double feeds, such as originals with lines or bands across the full width,
  originals with creases, or originals with a border frame.
• To scan the originals without skewing, adjust the edge guides to fit the edge of the originals before scanning.

[Background Color]
Change the background color when scanning.
Depending on the original, scanning quality may be improved by changing the Background Color.
Set it to White if text is blurred when scanning thin paper.

Note:

• If one of the following items is selected, Background Color is set to Black and you cannot change it.

Document Size: Auto Detect, Auto Detect (Long Paper) / Correct Document Skew

• If the following item is selected, Background Color is set to White and you cannot change it.

Document Source: Scanner Glass

Note:

• Some items and settings may not be available depending on the scanner you are using.
  Read this help for the sections that apply to your scanner.
• Some items and settings may not be displayed depending on the type of scanned original.
• Before scanning, check if there is enough free space on the hard disk or memory.
• Scanning may take some time depending on the features you selected.

You can remove the color specified from the scanned image, and then save it in grayscale or black and white.
For example, you can erase marks or notes you wrote in the margins with color pen when scanning.

You can remove the background of the originals.
You can select the level of the effect by selecting the Main Settings tab > Image Type > Color.
If you select High, you can remove the background color of the originals, such as colored papers,
or papers discolored by sunlight or time. To use this feature, the background color of the originals should be the lightest color in the originals,
and should be uniform. This feature is not applied correctly if there are patterns in the background,
or there are text or illustrations which are a lighter color than the background.

You can make blurred letters in the original clear and sharp.
You can also reduce the offset or unevenness of the background.
When you select the Main Settings tab > Image Type > Color or Grayscale,
you can select the level or the effect from Standard or High.
When you select the Main Settings tab > Image Type > Black & White,
the Settings button is available which allows you to make detailed settings
for the level of the effect in the Text Enhancement Settings screen.

Note:

• To use this feature, set the Resolution on the Main Settings tab to 600 dpi or less.
• Depending on the original or resolution you set, Text Enhancement may not be applied.

[Text Enhancement Settings Screen]
You can set the level of Text Enhancement.

Edge Enhancement
You can enhance the text edges (the border between the text and the background).
When you increase the value, the edges of thin text become black.
Decrease the value if there is too much noise in the scanned image.
If you set a high Edge Enhancement value and a low Threshold value,
only text edges may become black such as in outlined letters.

Threshold
You can adjust the borderline for monochrome binary (black or white).
The black areas become larger when you increase the value,
and the white areas become larger when you decrease the value.
If you set a high Edge Enhancement value and a low Threshold value,
only text edges may become black such as in outlined letters.

[Contrast]
You can adjust the contrast for the whole image.
If you increase the contrast, the bright areas become brighter, and the dark areas become darker.
On the other hand, if you lower the contrast, the differences between the bright and dark areas of the image are less defined.

[Threshold]
You can adjust the border for monochrome binary (black and white).
Increase the threshold, the black color area becomes larger.
Decrease the threshold, the white color area becomes larger.

Note:

• Some items and settings may not be available depending on the scanner you are using.
  Read this help for the sections that apply to your scanner.
• You cannot make settings for any items in Image Format Options for PNM and PNG formats.

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