Hi Krzysztof, > Hi Simon, > > Simon Matter writes: > >> When the scanner fails it is also not detected via "scanimage -L". > > What about lsusb and (the last part of) dmesg? Does the USB device > disappear?
It both happens. Sometimes the device is still seen in lsusb output and sometimes not. > > Does it work the same with the manufacturer's software (Windows etc)? > If not, perhaps comparing command sequences sent from SANE and from the > other sw could help. Otherwise (if the original sw behaves the same), > it could be a firmware problem. > These scanners work perfectly fine with very old sane-backends and operating system. So I'd say it's not firmware related. Simon
