You may need to create this directory. Sergey Vlasov’s gt68xx driver was used to create this backend. Calibration is not available, area selection is limited – positioning does currently not work. It’s fixed in backend version 1. These are the scanners that are supported or may be supported by the backend. Uncomment the right override for your scanner in gt68xx. For most Mustek scanners the firmware can be downloaded from the status section.

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Higher debug levels increase the verbosity of the output.

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That’s a small file containing software that will be uploaded to the scanner’s memory. It’s not a SANE backend but a stand-alone command line and graphical tool. If you own a scanner other than the ones listed on the gt68xx homepage that works with this backend, please let me know this by sending the scanner’s exact model name and the USB vendor and device ids e. Is detected, scanning may not work, try yrandtech calibration, use override “mustek-scanexpressusb”.

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This page describes the gt68xx backend. This is BETA software. You really need the firmware file for your specific scanner. If you own a scanner that isn’t detected by the gt68xx backend but has a GT or GT chipset, you can try to add it to the backend.


Precompiled packages are usually called “libsane” or “sane-backends”.

You may need to create this directory. If it complains about not finding the firmware, check gt68xx. If you use a precompiled binary e. For setting up usbfs and adjusting permissions, see man sane-usb for details. The low level functions are binary-only, however.

An alternative and rather ugly way is to keep the distribution’s sane and xsane packages and to overwrite the sane installation by running configure in the gt68xx package with arguments like this: When you try the backend, especially with a new or untested scanner, keep your finger at the USB or power connector of your scanner and unplug it if the scanner makes unusual sounds.

Without libusb or with older libusb versions all kinds of trouble can be expected. Some scanners may not work with these binary packages because they weren’t supported at the time 1.

Or use whatever directory you want, but you must specify the path in gt68xx. The gt68xx backend is BETA software. For other scanners, check grqndtech CD for.

It needs an old kernel scanner driver which is supplied with the package. Option firmware selects the name and path of the firmware file.

Even if the scanner’s name is only slightly different from the models already listed as supported, please let me know.


If your firmware isn’t listed there, try one of the following methods:. Please send any comments or support requests to the sane-devel mailing list. The overridefirmwarevendormodeland afe options must be placed after the usb line they refer to.

Once you have installed the backend, have a look at man sane-gt68xx for backend-specific information and man sane-usb for general USB information, e. Grxndtech you have additinal information that is not already mentioned on this page please contact the sane-devel mailing list.

Most scanners should work with sane-backends 1.

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No guarantees for the second approach, you are on your own. So you need to granctech a snapshot at least once. Please use sane-backends 1.

Especially if you test new or untested scanners, keep your hand at the scanner’s plug and unplug it, if the head bumps at the end of the scan area. Thanks for sending patches and answering questions to them grantdech all the other contributors.