EPSON Support
EPSON Perfection 1660 Photo
Date: 2002/08/14
FAQ Version 1.0                                                                                                                  Return to Perfection 1660 Photo Support Menu

Index of Frequently Asked Questions
  • Product Controls
  • General Questions and Answers
  • Driver Questions
  • Scanning Questions
  • Windows Questions
  • Macintosh Questions
  • Diagnosing Problems

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    If you are unable to find an answer after reading this FAQ and using your manual, please complete our email form and send your question to EPSON America's Technical Support. A response will be sent via e-mail within 2 business days. Epson America only supports products sold in the U.S. and Canada.


    General Questions and Answers
  • Q: What are the system requirements for using this scanner with a PC?
  • Q: What are the system requirements to use this scanner with a Macintosh?
  • Q: Where can I find the User's Manual for this scanner?
  • Q: Can I scan positive or negative film strips and slides with this scanner?
  • Q: How can I scan something that doesn't fit under the document cover?
  • Q: What is the Perfection 1660 scan area?
  • Q: Can the scanner be powered off?
  • Q: What are the system requirements for USB 2.0?
  • Q: Who do I contact for technical support of the software that came with my scanner?

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    Driver Questions
  • Q: How can I obtain the latest drivers?
  • Q: What is Epson TWAIN?
  • Q: How do I install the scanner software on a PC?
  • Q: How do I remove and reinstall the scanner software on a PC?
  • Q: How do I install the scanner software in my Macintosh?
  • Q: How do I remove and reinstall the scanner software on a Macintosh?

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    Windows Questions
  • Q: What are the system requirements for using this scanner with a PC?
  • Q: Why does my system hang when I unplug the scanner from the computer?
  • Q: How do I install the scanner software in my PC?
  • Q: How do I remove and reinstall the scanner software on a PC?

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    Macintosh Questions
  • Q: What are the system requirements to use this scanner with a Macintosh?
  • Q: How do I install the scanner software in my Macintosh?
  • Q: How do I remove and reinstall the scanner software on a Macintosh?
  • Q: Can the Perfection 1660 scanner be disconnected from the computer after installing the scanner software?
  • Q: My scanner buttons don't work after plugging in the USB cable or AC adapter.

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    Diagnosing Problems
  • Q: Why won't the Operate/Start button light come on?
  • Q: My scanner software doesn't work properly. Why?
  • Q: Why won't my system recognize the USB port?
  • Q: Why can't I start EPSON TWAIN?
  • Q: Why isn't the fluorescent scanning lamp on?
  • Q: Why won't the scanner scan?
  • Q: I'm trying to scan monochrome (black & white) negatives in Full Auto mode, but the scanner recognizes the document as a color negative or positive. Why?
  • Q: My scanner buttons don't work after plugging in the USB cable or AC adapter (Macintosh)?
  • Q: The OneTouch feature is not working with my scanning program.
  • Q: Why am I getting a warning when I connect my scanner that says: "HI-SPEED USB Device Plugged into a non-HI-SPEED USB Hub" with Windows XP?
  • Q: Why does my system hang when I unplug the scanner from the computer?

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    Scanning Questions
  • Q: What scanning resolution should I use for the best printing results?
  • Q: How do I decide which resolution to select when scanning?
  • Q: What's the best way to resize images if I want to scan them and make them larger?
  • Q: I'm using Scan to PIM in Smart Panel and every time I scan a new document, the image appears in the Verify Assistant window with the same file name (Pim0001). Does my previous image file get overwritten?
  • Q: I'm trying to do film scans in Full Auto and Manual Mode, but the Images come out slightly clipped or in the Manual Mode the thumbnail previews show the images as slightly clipped. How can I prevent this slight clipping and scan the extreme outer edges of my images?
  • Q: I was using the built-in TPU but decided to switch to the optional 4" x 5" transparency adapter. Now my documents are not being scanned correctly. What happened?

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    Product Controls: EPSON Perfection 1660

    The EPSON Perfection 1660 has four buttons:

    1. Start - Opens the Smart Panel main screen, but can be programmed to open a specific applet.

    2. Copy - Scans and sends the captured image to the Copy utility in EPSON Smart Panel.

    3. E-Mail - Lets you scan your image and send it as an E-mail attachment. Click the Help icon in Smart Panel for a list of supported E-mail programs. (Note: Must be a MAPI compliant Email application.)

    4. Scan to Web - Lets you scan an image and upload it to the EPSON photo-sharing site, EPSON PhotoCenter.

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    Q: What are the minimum system requirements for Windows?

    A: PC Requirements

    These are the minimum system requirements. For optimum performance, a faster processor and more memory are recommended. Scanning at higher resolutions may create very large files that can exceed system requirements.

  • PC with a Pentium or faster processor
  • Factory-installed Windows 98, Windows ME, Windows 2000 or Windows XP
  • At least 128MB RAM (256MB RAM recommended)
  • 275MB available hard disk space (minimum)
  • Mouse or pointing device
  • CD-ROM (4x or faster) or DVD drive for installing scanner software
  • USB port or self-powered hub connection
  • VGA color monitor with at least 256 colors
  • 24-bit color recommended

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    Q: What are the minimum system requirements for the Macintosh?

    A: Macintosh Requirements

    These are the minimum system requirements. For optimum performance, a faster processor and more memory are recommended. Scanning at higher resolutions may create very large files that can exceed system requirements. You cannot use a serial, SCSI, FireWire or 3rd party interface to connect the scanner.

  • Apple(r) Macintosh computer (blue and white G3, G4 or higher, or iMac) running Mac(r) OS 8.6 - 9.2.2, (OS X 10.1.2 Classic mode only*)
    Note for Mac OS X users: You can use the scanner only in the Classic mode. If you are using a version earlier than 10.1.2, switch to Mac OS 9 to use the scanner.
  • Built-in USB port or self-powered hub connection
  • 128MB RAM
  • 275MB available hard disk space
  • CD-ROM (4x or faster) or DVD drive
  • Mouse or pointing device
  • VGA color monitor with at least 256 colors
  • 24-bit color recommended

    Note: Color and tone reproductions are subject to the display capability of your computer system, including the video card, monitor, and software. See the documentation for these products for details. EPSON TWAIN supports the Apple ColorSync(tm) 2.x color management system and QuickTime. These extensions are automatically installed during EPSON TWAIN installation.

    *Note: You must install the drivers and programs in true OS 9.x first before you can use the scanner in Classic mode.

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    Q: Where can I find the User's Manual for this scanner?

    A: Your scanner software CD-ROM includes an electronic Reference Guide and Setup/Scanner Basics sheet for your scanner. The Reference Guide is in HTML format, so you need a browser, such as Microsoft(r) Internet Explorer 4.0 or later or Netscape Navigator(r) 4.0 or later to view it.

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    Q: Can I scan positive or negative film strips and slides with this scanner?

    A: The Perfection 1660 Photo model supports 35mm slides and film strips with the built-in adapter unit.

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    Q: How can I scan something that doesn't fit under the document cover?

    A: The self-adjusting document cover allows you to place thick documents on the document table glass without removing the cover. If your document is too thick to fit under the cover (such as a photo in an album) you can remove the document cover. To do this, simply open the document cover and lift the back of the document cover straight up. When scanning with the cover removed, make sure no area of the document table is exposed. This prevents interference from external light. When reattaching the document cover, hold the cover so the hinges are aligned with the notches on the scanner. Then lower the cover so the hinges fit into the notches and close the document cover.

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    Q: What is the Perfection 1660 scan area?

    A: The Perfection 1660 scan area is 8.5 × 11.7 inches (216 × 297 mm).

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    Q: Can the scanner be powered off?

    A: The scanner has no power switch because it is designed to go into power saving mode after 15 minutes of inactivity. It can be powered off by unplugging the AC adapter from the wall outlet.

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    Q: What are the system requirements for USB 2.0?

    A: You must have a PC with Windows 2000, or Windows XP Home/Pro factory installed, and an available USB 2.0 port or a compliant USB 2.0 host adapter. (Note: Apple Macintosh OS does not support USB 2.0)

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    Q: Who do I contact for technical support of the software that came with my scanner?

    A: If you need software assistance, please contact the software manufacturer. Third party internet web sites can be found at the following URL:

    http://support.epson.com/contacts3rdparty.html

    EPSON TWAIN driver
    Phone: (562) 276-4382 (U.S.) (905) 709-3839 (Canada)
    Fax-on-demand system: (800) 922-8911
    Online: http://support.epson.com

    ArcSoft PhotoImpression
    Phone: (510) 440-9901 8:30 AM to 5:30 PM, PST,
    Monday through Friday
    Fax: (510) 440-1270
    Email: support@arcsoft.com

    EPSON Smart Panel
    Phone: (510) 445-8616
    Fax-on-demand system: (510) 445-8601
    Email: tech@newsoftinc.com


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    Q: How can I obtain the latest drivers?

    A: The easiest and fastest way to get the latest driver software, is to download it from the downloads section of this web site. You may also contact EPSON's driver fulfillment group at (562) 276-4367 (6 AM-6 PM Monday-Friday Pacific Time) to request a driver. A shipping and handling charge may be applied to drivers sent by mail. Note: This number is not for technical support.

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    Q: What is Epson TWAIN?

    A: Epson TWAIN is the software application that is used to run the scanner and scan the image. It acts as an interface between your image application and the scanner.

    The following TWAIN-compliant applications are included in your scanner package. Use the one appropriate for your purpose.

    EPSON Smart Panel

    ArcSoft PhotoImpression™

    You can also scan images using common TWAIN-compliant applications such as Imaging for Windows®.

    When you open your imaging application such as ArcSoft PhotoImpression or other TWAIN compliant program, you need to select Epson TWAIN as the scanner source. When you click on scan, the TWAIN program will start. Then you can define how the image is to be scanned in the TWAIN application. Once the image scan is completed you can close Epson TWAIN and the scanned image will open on the application desktop, where you can then edit and/or save the image.

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    Q: How do I install the scanner software in my PC?

    A: You must install your software before connecting the scanner to your computer. Be sure to close all open applications and turn off any virus protection programs.

    1. Insert the scanner software CD-ROM in a CD-ROM or DVD drive. The installer starts automatically. If it doesn't, double-click My Computer [in Windows XP, click Start, then double-click My Computer], double-click the EPSON CD-ROM icon, then double-click the Epson icon.)
    2. When you see a message asking you to disable anti-virus software, click 'Continue'.
    3. Read the license agreement, then click 'Agree'.
    4. At the Software Installation screen, click 'Install'.
    5. Follow the on screen instructions to install each application. After each one is installed, click 'Next' to continue. Note that EPSON Smart Panel™ installs in several steps.
    If you have PDA software on your computer, Presto! PixExpress will be installed. Please wait until the process is complete. If you don't currently have a PDA, Presto! PixExpress can be added at a later time if you get one.
    6. When you see a message 'Would you like a link to Epson's Photo Sharing web site to appear on your desktop?' click 'Yes' or 'No'.
    7. On the next screen click 'Exit'. The Epson product registration screen appears.
    8. Register your scanner as instructed.
    9. At the last screen, click 'Done' or close your browser. You'll see a message instructing you to connect the scanner. Make sure the transportation lock is unlocked then connect the AC adapter and USB cable.

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    Q: How do I remove and reinstall the scanner software on a PC?

    A: For best results, first uninstall the TWAIN driver.

    In Windows 98, Windows ME or Windows 2000:
    1. Double-click the Scanners and Cameras icon in the Windows Control Panel.
    2. On the Devices tab, select EPSON Perfection 1660.
    3. Click the Remove button. Then click OK to close the window.
    4. Disconnect the scanner.
    5. Open Windows Control Panel and select Add/Remove Programs.
    6. Select EPSON TWAIN5 and click Remove.

    Windows XP:
    In Windows XP right click on the scanner icon and click delete.

    To reinstall your TWAIN driver in Windows 98, Windows ME, Windows 2000 or Windows XP:
    1. Insert your scanner CD-ROM in your CD-ROM drive.
    2. Click Start and Run. At the prompt, type your CD-ROM drive letter and EPSON (for example: D:\EPSON), or double-click the CD-ROM icon in My Computer.
    3. On the Main Menu checkmark only EPSON TWAIN.
    4. On the next "Install EPSON TWAIN" screen, click Next and follow the on-screen instructions.
    5. Reconnect the scanner and restart the computer.

    The software must be installed before the scanner is connected.

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    Q: How do I install the scanner software in my Macintosh?

    A: Follow these steps to install the software:

    1. Insert the scanner software CD-ROM in the CD-ROM or DVD drive. The installer starts automatically. If it doesn't, double-click the EPSON CD-ROM icon to open it.
    2. Double-click the EPSON icon.
    3. When you see a message asking you to disable anti-virus software, click 'OK'.
    4. Read the license agreement, then click 'Agree'.
    5. At the Software Installation screen, click 'Install'.
    6. When the EPSON TWAIN 5 Installer screen appears, click 'Install'.
    7. When the EPSON TWAIN installation is complete, click 'Restart'. Do not remove your CD-ROM. After your Macintosh restarts you can install the rest of your software.
    8. When your Macintosh restarts, double-click the EPSON CD-ROM icon to open it, if necessary, then double-click the EPSON icon.
    9. Follow the on screen instructions to install each application. After each one is installed, click 'Quit' to continue. Note that EPSON Smart Panel™ installs in several steps. If you have PDA software on your computer, Presto! PixExpress will be installed. Please wait until the process is complete. If you don't currently have a PDA, Presto! PixExpress can be added at a later time if you get one.
    10. When you see a message 'Would you like a link to Epson's Photo Sharing web site to appear on your desktop?' click 'Yes' or 'No'.
    11. On the next screen click 'Exit'. The Epson product registration screen appears.
    12. Register your scanner as instructed. At the last screen, click 'Done' or close your browser. You'll see a message instructing you to connect the scanner. Make sure the transportation lock is unlocked then connect the AC adapter and USB cable.

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    Q: How do I remove and reinstall the scanner software on a Macintosh?

    A: Follow these steps:

    1. First uninstall the driver by opening the file menu and clicking on Find. Use the following keywords to find the scanner files that need to be removed: TWAIN, USB Scanner, 1660 Installer, Epson Perfection 1660
    2. Disconnect the scanner.
    3. Insert your scanner CD-ROM in your CD-ROM drive.
    4. Double-click the EPSON icon.
    5. On the Install EPSON TWAIN screen, click 'Next'.
    6. On the TWAIN Installer screen, make sure Easy Install is selected for the default installation, and then click 'Install'.
    7. After the installation is complete, reconnect the scanner then restart the computer.

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    Q: What scanning resolution should I use for the best printing results?

    A: When you use the scanner buttons and EPSON Smart Panel, the software selects the best settings automatically. Here are some recommended settings for different types of scans.

    Image typeRecommended Image TypeScanning Resolution for printing
    PhotographColor Photo300 dpi
    Small photograph to be enlargedColor Photo 300 dpi to 3200 dpi
    MagazineColor Photo 300 dpi
    Newspaper (text only)Text (Background Removal) 400 dpi
    Text for OCRText (Background Removal) 400 dpi
    Text with imagesColor Document 400 dpi
    Line artLine art 300 to 3200 dpi
    35 mm film or slideTPU for neg. film 300 to 3200 dpi


    1. If your final file is for on-screen viewing (for example, on a web page or in an e-mail message), select 96 dpi for your resolution.

    2. If you are enlarging your image, you must manually increase the resolution (dpi) proportionally to maintain the resolution of your original.

    Note: If you use the scan to P.I.M. feature, make sure you print with the P.I.M. enabled program that came with your P.I.M. enabled printer.

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    Q: How do I decide which resolution to select when scanning?

    A: Resolution refers to how many dots per inch (dpi) or dots per centimeter (dpcm) your image contains. The best resolution for a scanned image depends on the type of image you're scanning and your final output device. For most images except line art, use a scanning resolution that is approximately one third of your output resolution. For example, use a scanning resolution up to 100 dpi with a 300-dpi laser printer, and up to 200 dpi with a 600-dpi laser printer.

    For high dpi ink jet printers, such as the EPSON Stylus Color or Photo series, use a scanning resolution of approximately 240-300 dpi. For on-screen viewing, you can scan at 96 dpi. Keep the following in mind when you choose a resolution: Higher resolution settings result in larger file sizes. For example, an 8.5 x 11-inch original scanned at 300 dpi can produce a 24MB file. The same original scanned at 96 dpi creates only a 2.6MB file.

    Large files take longer to process and print, so consider the practical limitations of your computer system when selecting a resolution. To keep your file size manageable, select the lowest possible resolution that gives acceptable quality. When scanning at a higher resolution, reduce the file size by scanning only part of the image.

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    Q: What's the best way to resize images if I want to scan them and make them larger?

    A: If you plan to enlarge your image, it is better to enlarge it when you are scanning rather than in your application. Each time you modify an image, you lose some quality. Keep in mind when you enlarge a small photo, such as a 35 mm slide or wallet-size photo, you'll need to scan at a high enough resolution to retain your image quality, but not so high that your file size is too large to be efficient. You must manually adjust the resolution (dpi) to maintain the same image quality when you resize your image. For example, if you have a 300 dpi 2 x 2-inch image that you want to enlarge to 4 x 4 (a factor of 200%), increase the Scale setting to 200% or change the resolution to 600 dpi.

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    Q: I'm using Scan to PIM in Smart Panel and every time I scan a new document, the image appears in the Verify Assistant window with the same file name (Pim0001). Does my previous image file get overwritten?

    A: No. This is the default filename. If you don't rename the file, Smart Panel will search your hard drive for the default filename and if it finds it, the program will automatically rename the new image file as Pim0002. If Smart Panel already finds a file with the name Pim0002, then it will automatically increment the filename as Pim0003 and so on. This file name convention applies equally to any of the other applets in Smart Panel where you can save the file, with one exception. In the other applets you can choose different file formats (jpeg, tif, bmp, etc). For example, in Scan to File, the default filename is File0001 with a BMP extension. When you scan the next document, if you select a different file format such as jpeg, Smart Panel will keep the previous filename; only the extension will differ. So, you will see File0001 but with a jpeg extension.

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    Q: I'm trying to do film scans in Full Auto and Manual Mode, but the Images come out slightly clipped or in the Manual Mode the thumbnail previews show the images as slightly clipped. How can I prevent this slight clipping and scan the extreme outer edges of my images?

    A: This is a feature of EPSON TWAIN 5 and it is used to assist the software in finding your image automatically. This feature cannot be turned off in Full Auto Mode, however it can be disabled in Manual Mode.

    To disabled this feature in Manual Mode open the TWAIN 5 in Manual Mode and do the following: Click on the "Configuration" button, select the "Preview" Tab, remove the check from the box next to "Automatic Thumbnail Preview for Film".

    Once you have disabled this setting you will then have the ability to manually marquee exactly what you want to scan. You will have to marquee and scan each image one at a time. Care should be taken to marquee only the image and not any part of the film holder as it can affect the exposure and color of your image.

    You can use the "Zoom Preview Button" to show you a close up of the selected area and help you get the best marquee possible. For more information on settings and buttons see the EPSON TWAIN 5 Help window.

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    Q: I was using the built-in TPU but decided to switch to the optional 4" x 5" transparency adapter. Now my documents are not being scanned correctly. What happened?

    A: You must power off the scanner first. Unplug the AC adapter from the scanner and then reconnect it. You should always turn off the scanner when switching between the built-in TPU and the optional 4" x 5" TPU (EU-33) in order for the scanner to correctly recognize which TPU is installed.

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    Q: Can the Perfection 1660 scanner be disconnected from the computer after installing the scanner software?

    A: Yes, we recommend you reconnect your scanner before restarting the computer.

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    Q: My scanner buttons don't work after plugging in the USB cable or AC adapter.

    A: If you unplug your USB cable or AC adapter, then plug it back in, wait until the scanner has initialized before using the scanner buttons. If you press a scanner button and nothing happens, initialize the scanner by scanning an image from Smart Panel. Then you can use the buttons.

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    Q: Why won't the Operate/Start button light come on?

    A: Make sure the scanner power adapter is correctly plugged into a power outlet. Make sure the outlet is operational and is not connected to a timer or switch.

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    Q: My scanner software doesn't work properly. Why?

    A: Check your system requirements. See if the system requirements, such as the operating system version, are correct for your software.

    Check your computer's memory. See if the computer has enough memory for your software. If you're running other software at the same time, using RAM resident programs, or have many device drivers, the computer may not have enough memory. (See your software and computer manuals.)

    If you are scanning a large image or scanning at a high resolution, your computer may not have enough memory to process the image. Check your software installation. Make sure that your software is correctly installed and set up.

    If all else fails uninstall your software, then reinstall it. You may also want to consult the Perfection 1660 Reference Guide under Troubleshooting Problems and Solutions. You may also need to refer to your Start Here poster for installation information.

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    Q: Why won't my system recognize the USB port?

    A: The USB interface is not supported by Windows 95 (including OSR-2.x) or Windows NT, you must have Windows ME, Windows 2000, Windows XP or Windows 98 factory-installed full edition.

    The scanner must be connected to a built-in (root) hub or first tier hub only. If the scanner is attached to a built-in root hub and the scanner isn't recognized, check the computer's user manual and to see if the USB port needs to be enabled in the computer's setup. If the scanner is attached to a first tier hub, that hub must be self-powered (i.e.: an AC adapter should be attached). Be sure to use the USB cable that came with your scanner.

    Turn off both the scanner and your computer. Then turn on your scanner before you turn on the computer.

    If you're connected to a USB hub, try connecting the cable to the computer's USB port.

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    Q: Why can't I start EPSON TWAIN?

    A: Make sure the scanner's READY light is on. Check to make sure your cable is securely connected to both the scanner and computer. Try a different cable. Be sure to use an EPSON USB cable. For Macintosh, check the EPSON Scanner Selector. For Windows 98, check the Utility tab on the Perfection 1660 Properties window.

    If you have an older EPSON scanner and have a previous version of EPSON TWAIN installed, uninstall the older version (Windows) or close any extensions like EPSON Scanner Monitor, EPSON Scanner Monitor USB, or EPSON Monitor 3 (Macintosh).

    If none of these solutions help, uninstall your software, then reinstall it. See the instructions for uninstalling software in your reference guide.

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    Q: Why isn't the fluorescent scanning lamp on?

    A: The scanner has a power saving function (sleep mode); press the Start button to "wake" the scanner. Or unplug the USB cable or power cable, then plug it back in. If you are using the transparency unit, make sure it is plugged into the back of the scanner. Make sure the power cord is connected to the scanner and plugged into a power outlet.

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    Q: Why won't the scanner scan?

    A: Wait until the fluorescent lamp stays on (ready for scanning). You may need to preview your scan to make the lamp come on.

    If you are using the transparency unit, make sure it is plugged into the back of the scanner. If it is not connected, unplug the scanner before connecting the transparency unit, then connect the scanner power adapter.

    If you are using a USB hub, try connecting the scanner directly to the computer's USB port. Use only the USB cable that came with your scanner. If you see your scanner in the Windows Control Panel, but you can't scan, uninstall and reinstall your scanner software.

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    Q: I'm trying to scan monochrome (black & white) negatives in Full Auto mode, but the scanner recognizes the document as a color negative or positive. Why?

    A: Full Auto Mode does not support monochrome (black & white) negatives. Use Manual Mode, instead.

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    Q: My scanner buttons don't work after plugging in the USB cable or AC adapter (Macintosh)?

    A: If you unplug your USB cable or AC adapter, then plug it back in, wait until the scanner has initialized before using the scanner buttons. If you press a scanner button and nothing happens, initialize the scanner by scanning an image from Smart Panel. Then you can use the buttons.

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    Q: The OneTouch feature is not working with my scanning program.

    A: The one touch function only works with programs that are OneTouch compliant, like Smart Panel, Windows Imaging, and Photoshop 5.0LE or Full Edition or later (not included with the scanner).

    These applications support linking scanner events with the Start button on Windows 98, 2000, ME or XP and enable the scanner monitor utility. For details on how to set up one-touch scanning, see "Using the Start Button" in your EPSON Perfection 1660 Photo Reference Guide. For Macintosh users, you must install EPSON Smart Panel.

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    Q: Why am I getting a warning when I connect my scanner that says: "HI-SPEED USB Device Plugged into a non-HI-SPEED USB Hub" with Windows XP?

    A: This is a normal Windows XP message that is telling you it recognizes your scanner is a USB 2.0 (HI-SPEED) device and that you are plugging it into a standard USB 1.1 port on your computer. This will not harm the operation of your scanner, it just means that data will be received at the USB 1.1 data rate specification.

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    Q: Why does my system hang when I unplug the scanner from the computer?

    A: If your Windows system hangs after unplugging the scanner, try disabling Event Monitoring in Scanners and Cameras. If the scanner push buttons stop working with a Macintosh, manually launch EPSON Smart Panel and one of its applets. This will restore the button feature.

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