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device: Visioneer Strobe XP 200

Atalasoft does not sell or provide end-user support for this device, and we are not affiliated with its manufacturer.

comments: Vendor product page here.

This is a single-sheet feeder in the classic Visioneer form factor.
Up to 600 dpi, 48-bit internal.
Delivers B&W, 8-bit grayscale, and 24-bit color.

known issues: This is an extremely frustrating product to work with through TWAIN, and we strongly recommend that you avoid it. In addition to numerous detailed violations of the TWAIN standard, we have noted the following:

When enabled without its user interface, the latest driver (as of April 16 2004) runs the feeder in reverse, making it impossible to scan. With the Visioneer user interface, it closes automatically after one page.

If the user inserts a document before the TWAIN driver is enabled, something called OneTouch scanning is activated, superceding the TWAIN process. On the other hand, if the user does not insert a document before clicking the Scan button, the driver displays a highly inappropriate error message.

During preparation of this article, the XP 200 driver locked up at 36% of a scan, requiring a reboot of Windows XP.

Developers have reported that in previous versions of the driver, no-UI scanning is possible, but the brightness and contrast parameters have no effect.
TWAIN features: {TWAIN Features}
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