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Bug#971956: release-notes: SANE and driverless scanning

Hi Justin,

On Sat, 10 Oct 2020 16:27:06 +0100 Brian Potkin <claremont102@gmail.com>
> Driverless scanning is the ability to scan without using a vendor
> backend driver, free or non-free. It is mainly associated with modern
> multi-function devices, but some modern standalone scanners are known to
> work driverless. "Modern" refers to devices that have been marketed in
> the past five years or so.
> The official SANE driverless backend is provided by sane-escl in
> libsane1 [1]. An independently developed driverless backend is
> sane-airscan [2]. Both backends understand the eSCL protocol [3] but
> sane-airscan can also use the WSD protocol [4]. Users should consider
> having both backends on their systems.
> eSCL and WSD are network protocols. Consequently they will operate over
> a USB connection if the device is an IPP-over-USB device [5]. Note that
> libsane1 has ipp-usb [6] as a recommended package. This leads to a
> suitable device being automatically set up to use a driverless backend
> driver when it is connected to a USB port.
> [1] https://packages.debian.org/search?keywords=libsane1&searchon=names&suite=all&section=all
> [2] https://packages.debian.org/search?keywords=sane-airscan&searchon=names&suite=all&section=all
> [3] https://wiki.debian.org/SaneOverNetwork#escl
> [4] https://wiki.debian.org/SaneOverNetwork#wsd
> [5] https://wiki.debian.org/CUPSDriverlessPrinting#ippoverusb
> [6] https://packages.debian.org/search?keywords=ipp-usb&searchon=names&suite=all&section=all

You didn't comment on this text, does it mean it passes your judgement?


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