Sorry - it doesn't timeout/error out, it returns with
scanimage: no SANE devices found The version of libsane in Stretch is 1.0.25 (not working) The version of libsane in Jessie is 1.0.24 (working) On 07/28/2017 07:02 PM, Leon Hauck wrote:
TLDR: are there any known issues using a Nikon Coolscan IV ED with libusb 0.1.12-30 and kernel 4.9.0? --------------------------------------- I'm trying to get an Coolscan IV ED (LS40) to work with Debian Stretch (current stable release). scanimage -L properly identifies the scanner, however scanimage > testme.pnm hangs and eventually errors out due to an i/o error. I connected this scanner to a laptop running the same software with the same results. I connected the scanner to an older laptop running Debian Jessie (previous stable release), and it works fine, and I can also pass along additional command line arguments for white balance, auto-focus, etc. I'm guessing something may have changed in libusb and/or the kernel, which is preventing communication with this older USB1.1 unit. Are there any known issues with this setup?
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