Epson ActionScanner II PC User Manual - TWAIN 32

Epson ActionScanner II PC - ActionScanning System II Manual

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  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 1
    Printed on recycled paper with at least 10% post-consumer content i
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    damages or problems arising from the use of any options or any consumable products other than those designated as Original EPSON Products or EPSON Approved Products by SEIKO EPSON Corporation. EPSON is a registered trademark and EPSON Stylus is a trademark of SEIKO EPSON Corporation. Expression and
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    System Requirements Intro-3 How to Use This Manual Intro-4 Cautions, Tips, and Notes Intro-5 Where to Get Help Intro-5 Electronic Support Services Intro-6 Chapter 1 Installing Your Software Getting Ready to Install Your Software 1-1 Installing the Scanning Utilities 1-2 Chapter 2 Calibrating
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    an Image 5-6 Exiting EPSON Scan! II 5-7 Chapter 6 Troubleshooting Problems Using the EPSON Scanning Utilities 6-1 Problems With Image Quality 6-9 Appendix A Default Settings Appendix B Expression 636 Scanner Settings Resolution B-2 Size or Scale B-2 Data Format B-3 Brightness B-5 Color Mode
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    Scanner Setting Guidelines B-12 Judging Image Quality B-18 Equipment B-19 Icon Glossary Term Glossary Index v
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    vi
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    the automatic area segmentation and text enhancement technology features built into some EPSON scanners t Scan transparencies and slides and scan negative film into positive photo images (with scanners that have a transparency unit) t Take advantage of the multipage scanning feature available with
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    -bit scanning with Microsoft® Windows® 95 or Windows NT®) t EPSON Scan! II and EPSON TWAIN (for 16-bit scanning with Windows 3.1). Note: This guide refers to the 32-bit programs as EPSON Scan! II and EPSON TWAIN to reduce confusion. EPSON Scan! II calibrates your scanner with your monitor and color
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    following EPSON scanners: ES-600C ES-800C ES-1000C ES-1200C Expression™ 636 ActionScanner™ II Some features are not available or are restricted for some scanners. t A 486-based (or higher) IBM® compatible computer or an IBM PS/2® t DOS 5.0 or higher t Microsoft Windows 95, Windows 3.1x, Windows for
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    Chapter 5 tells you how to use EPSON Scan! II to work with images. Chapter 6 contains troubleshooting tips, and Appendix A lists the software's default settings. Appendix B provides information on the scanner settings for the Expression 636. This manual also includes two glossaries-an icon glossary
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    carefully to ensure your scanner operates correctly. r Tips contain helpful ideas for using these utilities. Notes contain important information about these utilities. Where to Get Help EPSON provides customer support and service through a network of Authorized EPSON Customer Care Centers. Dial
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    referral. If you need help using software with an EPSON product, see the documentation for that program for technical support information. Electronic Support Services You can access helpful tips, specifications, notes, DIP switch or jumper settings, drivers, FAQs, sample files, application notes
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    Fax-on-Demand Service You can access EPSON's technical information library by calling (800) 442-2110 or (800) 922-8911 and selecting the appropriate phone option. You must provide a return fax number to use Faxon-Demand. EPSON Forum on CompuServe® Members of CompuServe can type GO EPSON at the menu
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    8 Introduction
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    to install with Windows 95 or Windows 3.1. Getting Ready to Install Your Software Before you install the EPSON Scanning Utilities, make sure you have set up your scanner and connected it to your computer as described in the User's Guide that comes with your scanner. If you are using a SCSI interface
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    installs 32-bit or 16-bit files as necessary. Note: For Windows NT 4.X, follow the Windows 95 instructions. For Windows NT 3.5X and Windows for Workgroups, follow the Windows 3.1 instructions. 1. Start Windows 95 or Windows 3.1. Note for Windows 95 SCSI users: After you connect your scanner to your
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    driver and click OK. You do not need to install EZ-SCSI, even if you are using an Adaptec SCSI card, if the card is already set up. See your Adaptec documentation for instructions in which the installer software will install the EPSON TWAIN program. The default path is C:\WINDOWS. Click OK to accept
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    9. After a few moments, you see the EPSON Scanner Setup dialog box. From the Interface pull-down menu, choose SCSI if your scanner is connected to a SCSI interface or BiD Parallel if it is connected to a bidirectional parallel interface. 10. If necessary, select the port ID of the interface board
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    . The installer creates an EPSON Scanner program group or folder in Windows. Before you can acquire an image from within your application for the first time, you need to select EPSON Scanners as your TWAIN data source; see your application documentation for instructions. Installing Your Software 1-5
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    1-6 Installing Your Software
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    Calibrate your printer to your scanner t Use the calibration profiles when you scan an image. Calibrating Your Monitor to Your Scanner To calibrate your monitor, you must first perform a screen calibration using EPSON Scan! II, and then enable screen calibration in TWAIN. Calibrating Your System 2-1
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    Screen Calibration. From the Windows 3.1 Program Manager, double-click the EPSON Screen Calibration icon in the EPSON Scanner program group. You see this screen: 2. Look at the display from a distance and adjust the slide bar until the separate rows have the same basic color intensity. r Tip: If the
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    you use a different monitor or change your video display resolution, calibrate your screen again. Enabling Screen Calibration Once you have enabled. Follow these steps: 1. Start EPSON Scan! II, if necessary. 2. From the File menu, choose Acquire. You see the TWAIN screen. If the screen is fairly
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    profile using the instructions in this section. It is also best to create additional profiles for different printer settings, as described below. Performing the Printer Calibration Follow these steps: 1. From Windows 95, click the Start button, point to Programs, point to EPSON Scanner, and then
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    printer, print a calibration chart on each printer you'll use. If you plan to print the image on a service bureau's color printer, have them print the calibration chart on their printer so you can create a calibration profile for it. r Tip: When you label the printed charts
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    . 5. Place the printed calibration chart on your scanner, as shown by the illustration on the screen. Align the guide mark on the upper left corner of the chart with the triangular origin mark on your scanner's document table. Then close the scanner's cover. Note: Make sure the calibration chart
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    choose Select TWAIN_32 Source (in Windows 95) or Select TWAIN Source (in Windows 3.1). Then select EPSON Scanners (32 bit) in Windows 95, or EPSON Scanners in Windows 3.1. Note: You usually need to perform this step only once, when you use the scanner with your software for the first time. 2. Next
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    when you created the profile. 7. Click Save. 8. Click OK. You see the EPSON TWAIN advanced screen. You can now preview or scan your image using the calibration profile for your color printer. r Tip: If the colors in your printed image do not closely match the original, recalibrate your monitor and
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    EPSON TWAIN, you follow these basic steps: 1. Turn on your scanner. 2. Access TWAIN from your application's File menu. 3. Choose either the easy or advanced TWAIN can use the easy screen; see page 3-4. To set the image resolution, size, or scale, preview the image, select a calibration profile, or
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    choose Select TWAIN_32 Source (in Windows 95) or Select TWAIN Source (in Windows 3.1). Then select EPSON Scanners(32 bit) in Windows 95, or EPSON Scanners in Windows 3.1. Note: You usually need to perform this step only once, when you use the scanner with your software for the first time. 3. Next
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    basic settings as the easy screen, plus you can modify, add to, or delete these settings. The advanced screen also lets you set the image resolution, size, or scale, preview your image, and select the portion of it you want to scan. As described in Chapter 4, you can change special effects
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    Note: To close an active TWAIN window, click the Close button. Using the Easy Screen The following basic settings are available on the TWAIN easy screen: t Document source t Image type t Destination. You must select the appropriate option for each of these settings as described in this section to
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    transparency unit installed on your scanner, you can select the option you want to use from the Document Source pull-down menu. Otherwise, leave the Document Source set to Flatbed options are available: Color Photo 256 Colors Black & White Photo Color Halftone Copy/Fax Color Drawing Black & White
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    COLOR 200 If you haven't changed any of the settings for these options, the destination you select uses the default settings listed in Appendix A. To add a new Destination option or modify any existing settings, see "Using the Advanced Screen" on page 3-7. To scan text, select OCR (for Optical
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    Using the Advanced Screen The TWAIN advanced screen allows you to select the same basic options on the advanced screen may be dimmed and cannot be selected because of the capabilities of your scanner or your choice of settings for other options. Modifying an Image Type To modify the Image Type
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    You see the Image Type dialog box: For the default settings for the predefined image types, see Appendix A. 3-8 Capturing Images From Within Applications
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    dialog box are available with all scanners, image types, or Pixel Depth bit/pixel/color) Mode C Represents images in the same way as the net screen commonly used for newspaper photographs (1 bit/pixel/color) Dither A Expresses halftone in a 4 × 4 bayer dither pattern Dither B Expresses
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    software perform halftoning. ** ActionScanner II, ES-1000C, ES-1200C, and Expression 636. † The Text Enhancement Technology and Auto Area Segmentation options are not available if your scanner does not support these features. The ActionScanner II, ES-1000C, ES-1200C, and Expression 636 scanners
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    Screen) Dither D (8 × 8 Net Screen) None 1 pass 256 Color None None 1 pass 16 Million Colors None None 1 pass 3 pass* * When you choose 3 pass, your application does not use the Calibration, Color Filter, or Saturation features in TWAIN; see Chapter 4 for more information. Capturing Images
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    the Image Type Name menu and click Delete; then click OK. Modifying the Destination The Destination dialog box allows you to define different resolutions for each destination output device. You can also use it to modify, add, or delete a calibration profile for your output device. 3-12 Capturing
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    output devices. For the default settings for the predefined destination output devices, see Appendix A. Selecting resolution settings Use the Resolution pull-down menus to select scanning resolutions that produce the best results for your image type and output device. In the Destination dialog box
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    output device, as well as the capabilities of your scanner. The following table shows the best scanning resolutions for most needs. Optimum scanning resolutions Output device Line art Monochrome printer 300-600 Desktop or office color printer 300-720 Printing press or imagesetter 600-1200
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    printer and up to 170 with a 600 dpi laser printer. For the color EPSON Stylus printers, choose a resolution from 100 to 240 dpi for 720 dpi output and from 100 to 150 your output device. TWAIN can then use the profile as it scans to create the best quality image. EPSON TWAIN provides the following
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    profiles for any output device you use. For more information, see Chapter 2. Note: The scanner uses the calibration profile you select only when the Pixel Depth is set to 8 Color, 256 Color, or 16 Million Colors, and the Scanning Sequence is set to 1 pass. For more information on the Pixel Depth
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    preview window. Click the Zoom Preview icon to preview an area you have selected with the mouse. See the next section for instructions on , change your video display settings in Windows 95 Display or Windows 3.1 Setup to a lower resolution with more colors. Then perform a screen calibration again.
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    Locate icon. Adjusting the source and target image sizes The vertical and horizontal rulers along two sides of the preview window provide the measurements for the image you are previewing. You can change the unit of measure for these rulers by selecting inches, pixels, or cm (centimeters) from the
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    t Some applications convert the image to full 24-bit data, so the actual size of the image may image size settings are closely related to the Resolution and Scale settings. If you change them during a scan. To change this value, move the slide bar, click the left or right arrow to change the
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    the current Resolution setting. t For ES 600C, ES 800C, and ES 1200C scanners, the possible are scanning looks just right in the preview window before you click the Scan button. If TWAIN screen, you can further modify your image using the features of your image editing software. 3-20
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    text, use EPSON's Text Enhancement Technology. This feature filters out background "noise" in text images, such as background colors, and increases the threshold levels so that your OCR (optical character recognition) software can recognize text more easily. If your scanner supports Text Enhancement
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    3-22 Capturing Images From Within Applications
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    in this chapter-and more-using that software. However, if you don't have image editing software, EPSON TWAIN allows you to create a broad range of special effects using these options: t TWAIN configuration t Image controls t Tone correction t Color adjustments t Invert image feature t Automatic
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    button on the TWAIN advanced screen, you see the following dialog box: If you have performed a screen calibration (as described in Chapter 2), you can enable it by selecting the Enable Screen Calibration option. To save the preview image so it reappears in the preview window when you next
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    use the image controls: 1. From the advanced screen, click the Preview icon, , to display your image in the preview window. r Tip: To scan only a portion of the image displayed in the preview window, define the area you want to scan and click the Zoom Preview icon, , to display only that area. This
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    2. Click the Image Controls icon. You see the following dialog box: Comparison icons Color buttons Slide bars 4-4 Using Special Effects
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    button below the Highlight or Shadow slide bar; the mouse pointer changes to an eyedropper. Select the color you want to represent the highlights or shadows from the preview image. When you select the color in the preview window, the button turns that color. * You cannot choose the Highlight and
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    tone values by dragging points on the tone curve. You see the effect of your new settings in the preview window. Using the Channels radio buttons, select the color(s) you want to modify the tone correction for. You can select all colors (RGB) or only red, green, or blue. 4-6 Using Special Effects
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    Each Output checkbox corresponds to the point next to it on the tone curve. When you click the checkbox for a specific point, you can move that point, but it is not affected by the movement of other points. If the box is not checked, the point moves depending on the movement of the other points. If
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    Type is set for grayscale or black-and-white images, the Color Adjustment icon is dimmed and cannot be selected. The Color Adjustment dialog box lets you change the following settings: t Gray Balance Intensity t Saturation t Color Filter. You can reset any preview image you've modified by choosing
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    bar; the mouse pointer changes to an eyedropper. Select the color in the preview image you want to neutralize. Then either move the slide bar to adjust the color, or click the Comparison icon next to the slide bar to choose the coloring you want from the comparison samples. The rectangle to the
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    two colors. Click the Comparison icon for Color Filter to select the color filter you want from the comparison samples. Note: The Color Filter setting image and invert it, your scanner must have a transparency unit installed and you must select Transparency Unit as your Document Source option. To
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    Using Automatic Features The TWAIN advanced screen offers two automatic features: t Auto Exposure, which automatically adjusts the exposure of an image and sets the Highlight and Shadow settings t Auto Locate, which locates and selects the target image in the preview window. Note: When you scan
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    4-12 Using Special Effects
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    Scan! II. Follow these steps: 1. Turn on your scanner and place a document on the scanner's document table. Note: If you start the software before turning on your scanner, the software may not be able to detect the scanner. 2. Start EPSON Scan! II. 3. Select Acquire from the File menu. 4. Click
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    to export an image in a file format your application software can use. For information on file formats your software can open, see your software manual. Note: Your application software cannot open images saved in the EPSON Scan! II file format and EPSON Scan! II cannot open an exported image file
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    Follow these steps to export a scanned image from EPSON Scan! II: 1. Choose Export from the File menu. You Term Glossary.) Note: You can select the TIFF6.0 or JPEG format only if you selected 16 Million Colors or 256 Gray for the Pixel Depth setting in the Image Type dialog box when you scanned the
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    the image quality, move the Quality slide bar to the desired setting. 6. Click OK. The image is saved in the selected file format. You can now import this file into your application software; see your software manual for instructions. Acquiring and Exporting an Image EPSON Scan! II allows you to
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    Image Type dialog box when you scanned the image. You cannot select the PCX format if you selected 16 Million Colors. 7. If you selected the TIFF6.0 or JPEG format, EPSON Scan! II allows you to choose the image quality. Since JPEG uses a Lossy compression scheme, selecting higher quality gives you
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    import this file into your application software; see your software manual for instructions. Copying an Image You can can now paste the copied image into other software. Note: The clipboard holds images in DIB the image resolution, the larger the displayed image. Choose Fit in Window from the View
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    Exiting EPSON Scan! II To exit EPSON Scan! II, make sure you have saved or exported your image file. Then choose Exit from the File menu. Using EPSON Scan! II 5-7
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    5-8 Using EPSON Scan! II
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    6 Troubleshooting If you have problems using the EPSON Scanning Utilities, or with the quality of your printed or scanned images, check the two sections in this chapter for possible solutions. Problems Using the EPSON Scanning Utilities Note: You cannot select dimmed settings in EPSON TWAIN; these
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    EPSON TWAIN data source file, or the SCSI support software may not be installed correctly. Reinstall the EPSON Scanning Utilities from your installation diskettes; see Chapter 1 for instructions. You may have selected the wrong port number or SCSI ID during setup. Check the settings for your scanner
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    are using a system with the minimum requirements for the EPSON Scanning Utilities. See the Introduction in this manual. Check that the system requirements are correct for your application software and that your software supports your scanner model. Be sure that you have correctly installed and set
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    Press Enter or click on the TWAIN preview window. The scan is not the full width you selected in the preview area. Some scanners--for example, the EPSON ES-600C--restrict the scan width to 4096 pixels at high resolutions. Choose a lower resolution for a wider scan. After scanning and opening several
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    box. Your scanner does not support the Sharpness feature. The Document Source setting is grayed out in the EPSON TWAIN screen. This is normal. You must first connect an optional automatic document feeder or transparency unit to the scanner for any Document Source option other than Flatbed. The
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    most EPSON scanners are available only when the Pixel Depth setting is set to Black & White or 8 Colors (1 or 2 bits per pixel per color). Halftone settings are available only with the following default Image Type settings: Color Halftone, Black & White Halftone, and Copy /Fax. 6-6 Troubleshooting
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    allowable width and using the Color Photo Image Type setting, restart Windows and reduce the resolution and the width of the scanned image. Then try scanning again. If your application contains a scan manager feature, you may have closed it before closing the EPSON TWAIN screen. Scan your image
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    your monitor's brightness and contrast settings. The TWAIN screen changed its color settings after a preview scan. Increase the number of colors or decrease the resolution your monitor displays using Windows 3.1 Setup or Windows 95 Display. The colors in the Color Filter wheel do not reflect the
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    image instead of a portion of it. After changing the Windows video display setting to 1024 × 768 pixels, some icons, boxes, or slide bars in the TWAIN screen look out of proportion. Reset your Windows video display to 800 × 600 pixels. Problems With Image Quality The entire image is distorted or
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    . Adjust your document's position so that the image fits inside the readable area. Color is patchy or distorted at the edges of the document. If the original is printer to your scanner, and that you are using the resulting calibration profile. See Chapter 2 for more information. 6-10 Troubleshooting
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    or 8 Color, check software is correctly installed. If you are importing an image file into your application software, see if the file format is acceptable for your software. Also check that your application settings are appropriate for your image. See your application software manual. Troubleshooting
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    this manual (if you have an Expression 636) or your scanner manual (if you have another EPSON scanner) for examples of halftoning. The colors on the video display seem different from those of the original image. Depending on your monitor, its resolution/color settings, and your EPSON TWAIN settings
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    , or the printout is not an image. Check that the printer is properly connected to the computer and is correctly set up; see your printer manual. Check that your software is properly installed and set up for your printer; see your software manual. Troubleshooting 6-13
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    EPSON TWAIN settings. Be aware that some settings disable others. Also, depending on your scanner slightly defocus the image t Place a transparent sheet between the document and the document software. Choose 256 Gray for the Pixel Depth setting and try scanning your image again. 6-14 Troubleshooting
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    printer driver settings. If the paper size is set larger than Letter or A4, select a smaller paper size or the maximum paper size your scanner can support. See your scanner documentation for more information. You may need to choose a lower resolution for the video display setting using Windows 95
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    remove it; lift up the transparency unit and slide the mat up and out of the slots on the transparency unit. The transparency unit is installed, you are scanning ; lift up the transparency unit and insert the reflective document mat. (See your scanner manual for instructions.) 6-16 Troubleshooting
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    Type and Destination options in EPSON TWAIN. It also provides the ranges of settings available for the TWAIN Image Controls. Default Image Type settings Image type Default setting Color Photo 16 million colors, best quality, and 1 pass scanning 256 Colors 256 colors, best quality, and 1 pass
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    line drawings and halftone images, 240 dpi resolution for photos, and calibration for EPSON Stylus COLOR II printers Stylus COLOR IIs 800 dpi resolution for line drawings and halftone images, 240 dpi resolution for photos, and calibration for EPSON Stylus COLOR IIs printers Stylus 1500 800 dpi
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    drawings and halftone images, 240 dpi resolution for photos, and calibration for EPSON Stylus COLOR 500 printers Stylus COLOR 200 800 dpi resolution for line drawings and halftone images, 240 dpi resolution for photos, and calibration for Stylus COLOR 200 printers Calibration Profile 180 dpi
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    A-4 Default Settings
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    from your scanner software. Scanner functions and settings Function Available settings Resolution 29 settings from 50 to 2400 dpi (hardware only) Software interpolates to 4800 Scale 50% to 200% in 1% steps Data format 1 to 8 bits/pixel/color Captures up to 12 bits/pixel/color. When it
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    resolution. The scale values determine the vertical and horizontal lengths of the image. When the scale is set to 200% the image is enlarged four times the original size. When the scale is set to 50%, the image is reduced to one fourth of the original size. B-2 Expression 636 Scanner Settings
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    of the three primary colors of green, red, and blue. One bit/pixel/color can represent eight colors (2 × 2 × 2), and 2 bits/pixel/color can represent 64 colors (4 × 4 × 4). Eight bits/pixel/color (total 24 bits for a pixel) can represent over 16 million colors. Expression 636 Scanner Settings B-3
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    are limited to monochrome without gradations, or to 8 or 16 or 256 colors. The data format chosen also affects the amount of data necessary for scanning and storing an image. The larger the bits per pixel value chosen, the larger the amount of image data becomes. B-4 Expression 636 Scanner Settings
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    Image input Lighter Color Mode The color mode specifies color reading or monochrome reading. In color reading, you can choose either page sequence reading or line sequence reading. In monochrome reading, you can specify a dropout color (green, red, or blue). Expression 636 Scanner Settings B-5
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    one of these colors-for example, when scanning an image on a colored background. Halftoning Mode Halftoning is a process of changing an image to a pattern of dots. This is required because a printing press produces images in a different way than photography does. B-6 Expression 636 Scanner Settings
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    1- or 2-bits/pixel/color data format. With suitable software, you can define two more dither patterns. Note: Usually your scanner software or printing method can perform the halftoning. Therefore, you should usually not use halftoning or dither patterns when you scan. Expression 636 Scanner Settings
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 98
    to produce a distinct image, and is suitable for most purposes. (1 and 2 bits/pixel/color) t Halftoning mode B With this mode, the image is converted into a softer numbers of dots. (1 bit/pixel/color) Halftoning mode A Halftoning mode B Halftoning mode C B-8 Expression 636 Scanner Settings None
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 99
    Dither pattern B Dither pattern C Dither pattern D Note: Changing the size of a halftone-processed image with your application software may degrade the image. Instead use the scanner's scale function at the time of scanning to select your desired image size. Expression 636 Scanner Settings B-9
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 100
    correction provides five settings, and can be combined with all other scanner functions. Choose an appropriate setting from the five modes below. t 1-bit/pixel/color format. This mode is also suited for images without continuous tones, such as line art (γ = 1). B-10 Expression 636 Scanner Settings
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 101
    more than 1 bit/pixel/color (γ = 1.8). color line sequence mode, because the color of a pixel is immediately determined when the pixel is scanned. Color correction provides four settings. To disable this function, simply choose color page sequence reading or monochrome reading. Expression 636 Scanner
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 102
    This setting compensates colors for the characteristics of inkjet color printers. Scanner Setting Guidelines This overview of scanner settings will give you a little background for using your scanning software. The messages on the screen and your software manual should be your main guide to scanning
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 103
    scanner. Resolution The best resolution setting depends on the image type or mode (line art, grayscale, or color) and the printing method. Read "Printing or display methods" and "File size" below; then use the table on page B-16 to find the resolution you should use. Expression 636 Scanner Settings
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 104
    and produce color separation files. If you plan to do this, see the guidelines below on resolution and then follow the instructions in your software manual for making separations. Your service bureau or printing company should also provide helpful information. B-14 Expression 636 Scanner Settings
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 105
    resolutions in dots per inch or pixels per inch for the image types and printing or display methods just described. Also, you may want to experiment with your scanner settings, possibly using a cropped version of your image to save time, until you achieve the desired results. Expression 636 Scanner
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 106
    , for 175 lines per inch (a common resolution for magazines and books), scan your image at 350 dpi (2 × 175 = 350). For even smaller file sizes, try scanning at about 1.5 times the lines per inch. This may cause little or no perceptible loss of output quality. B-16 Expression 636 Scanner Settings
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 107
    service bureau may use an imagesetter with a 2400 dpi resolution, a scan resolution of only 150 to 350 dpi will produce the highest quality grayscale or color image size later with your software. (You can also increase the size with your software, but you may lose Expression 636 Scanner Settings B-17
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 108
    image will look different when it is printed. A monitor is a comparatively low resolution device; some images that look good on a monitor do not look as good when on an electronic color printer will look different from the same image printed on a printing press. B-18 Expression 636 Scanner Settings
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 109
    color or millions of colors, for the best display of images. Monitors The resolution of your monitor, of course, also affects the quality of the image you see. Consider a high resolution monitor if you do precise color work, but first be sure you have the right video card. Expression 636 Scanner
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 110
    software can compress images and restore them with no loss of data or quality; others compress images more, but the restored file is not exactly the same as the original. The difference between the original and restored files is, however, not always noticeable. B-20 Expression 636 Scanner
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 111
    Configuration" in Chapter 4 for more information about displaying comparison samples. TWAIN Advanced Screen Icons Preview. Shows you your entire image before you scan it. Once an image is in the preview window, you can check its width, height, and file size on the screen. Previewing also allows
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 112
    areas. Color Adjustment. Opens the Color Adjustment dialog box, which lets you adjust colors in an image using the options described "Color Adjustment Icons locates and selects just the target image in the preview window. If your preview window contains more than one image and you only need one,
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 113
    sample reflects the current gamma setting. Highlight Comparison. Allows you to compare three or five image samples of varying highlight intensity or color. The middle sample reflects the current highlight setting. Shadow Comparison. Allows you to compare three or five image samples of varying shadow
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 114
    Comparison. Allows you to compare three or five image samples of varying color saturations so you can select the paleness or richness of a color in an image. Three-pass scanning ignores saturation settings. Color Filter Comparison. Allows you to compare three or five image samples of varying
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 115
    & de-screening An EPSON TWAIN setting that produces the best quality scan and, on some scanners, removes unwanted moire patterns from scanned images. Bi-level Data Image data that is composed of 1 bit/pixel. A pixel is represented by a single bit of digital data that can express only 1 (light) or
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 116
    A component of the scanner that contains the optical sensor and light source for scanning. Color Correction A method of adjusting the color image data for a particular type of device so that the reproduction results are close to the original colors. Color Filter An EPSON TWAIN option that lets you
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 117
    Dots per inch. A unit of measurement for resolution. The higher the value, the higher (finer) the resolution. Draft & fast An EPSON TWAIN setting that provides faster scanning at a lower resolution. Dropout An EPSON TWAIN option that lets you instruct your scanner to ignore a color. Term Glossary 3
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 118
    format supported by most applications. ESC/I Abbreviation for EPSON Standard Code for Image scanners. A system of commands to control image scanners with software. ESC/P Abbreviation for EPSON Standard Code for Printers. A system of commands to control printers with software. Exposure An EPSON TWAIN
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 119
    shadow determines the range and the color differentiation of the image. Home Position The position at the back of the scanner where its carriage rests before a scanning operation. Image Type The way an image will be scanned or reproduced. EPSON TWAIN provides Pixel Depth, Halftone, Dropout, Quality
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 120
    the path for the TWAIN directory in Windows may be C:\WINDOWS\TWAIN. PCX PC Paintbrush file format. Pixel Picture Element. Each image is composed of a number of pixels. Pixels are sometimes called dots. Pixel Depth An EPSON TWAIN setting that lets you select the amount of color information in a file
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 121
    devices. Resolution Indication SCSI host adapter card or any other ASPIcompliant adapter card to communicate between the computer and the scanner. Shadow An EPSON TWAIN option that lets you adjust the darkest areas of an image. The range between highlight and shadow determines the range and the color
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 122
    EPSON TWAIN option that lets you adjust the measure of enhanced detail (focus) in an image. Subtractive Primary Colors Primary colors OCR (Optical Character Recognition) scanning. Threshold An EPSON TWAIN option that are industry-standard file formats supported by many applications. Tone Correction
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 123
    Transparency Unit A scanner accessory which allows the scanner to use materials such as transparencies and slides. TWAIN An open industry interface allowing you to acquire image data directly from external sources without leaving your current application. Zoom The ability to enlarge a portion
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 124
    10 Term Glossary
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 125
    5-1, 6-1 to 6-3 Add New Hardware option, 1-2 Additive color process, 2-1 Advanced screen accessing, 3-3, 3-7 Destination settings Bit modes, see Data, 6-12 Brightness, 4-6, 6-8, B-17 Bulletin Board Service, Intro-6 C Calibration chart, 2-5 to 2-7 monitor, 2-1 to 2-3, 4-2 printer, 2-4 to 2-7 problems
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 126
    10, 6-8 Color Photo option, 3-5, 6-7, 6-15 Comparison icons, 4-5 samples, 4-2 Compression, Lossy, 5-4, 5-5 CompuServe, Intro-7 Configuration system, Intro-3 TWAIN, 2-3, 4-2 Contrast, 4-6, 6-8 Copy command, 5-6 Cropping, Expression 636 scanner, B-18 Customer support, Intro-5 to Intro-7 D Data 24-bit
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 127
    , 6-14 Expression 636 scanner settings, B-1 to B-20 F File 24-bit data, 3-19 compression, B-20 EPSON Scan! II, 5-1 to 5-2 formats, 5-1 to 5-6, 6-11 File size 24-bit data, 6-5 Expression 636 scanner, B-15 managing, 3-14, 3-19 problems, 6-7 Filters, color, 4-10, 6-8 Fit in Window command, 5-6 Flatbed
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 128
    calibration, see Calibration Printing methods, Expression 636 scanner, B-14 Problems EPSON Scanning Utilities, 6-1 to 6-9 image quality, 6-9 to 6-15 M Measurement units, 3-18 Memory, 6-3 Midtones, 4-6 Minimize button, 6-7 Moire patterns, 6-14 Monitor resolution, B-19 Monitor calibration, see
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 129
    Intro-3, 1-4 problems, 6-2 to 6-4 Selection matrix, 3-11 Service bureau, 2-5 Shadow setting, 4-3, 4-5, 6-11 Sharpness setting, 4-3, 6-5, 6-14 Size setting, Expression 636 scanner, B-2, B-17 Software installation, 1-1 to 1-5 Special effects, 4-1 to 4-11 Subtractive color process, 2-1 Support, online
  • Epson ActionScanner II PC | User Manual - TWAIN 32 - Page 130
    , 3-17, 6-8 to 6-9, 6-12, 6-15 W Width setting, 3-18, 6-7 Windows 3.1 Setup, 2-2, 3-17, 6-8, 6-15 95 Add New Hardware option, 1-2 95 3-17, 6-8, 6-15 minimize button, 6-7 restarting, 6-1 to 6-2, 6-7 Setup, colors, 2-2, 3-17 system requirements, Intro-3 video display, see Video display World Wide
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