[sane-devel] Nikon Coolscan V ED: Error during device I/O

[Sebastian Niehaus]

Hi,

I try to use a Nikon Coolscan 5 ED using Debian 9.3 AKA Stretch.


Scanner ought to be supported with the coolscan3 backend.

"scanimage -L" needs very long to list the scanner.
"scanimage -T" reports "Error during device I/O"



Scanner "disappears" after one "scanimage -L" or any other request to do
anything else meaning it is not displayed by doing "scanimage -L"
another time.


Full session as root (to make sore it's not a matter of permissions)


root at radioactive:~# sane-find-scanner -q
found USB scanner (vendor=0x04b0 [Nikon], product=0x4001 [LS-50 ED]) at
libusb:001:027
root at radioactive:~# sane-find-scanner -L
unknown option: -L, try -h for help
root at radioactive:~# scanimage -L
device `coolscan3:usb:libusb:001:027' is a Nikon LS-50 ED film scanner
root at radioactive:~# scanimage -T
scanimage: no SANE devices found

[power cycling the scanner]

root at radioactive:~# scanimage -T
scanimage: open of device coolscan3:usb:libusb:001:028 failed: Error
during device I/O
root at radioactive:~#



Any ideas what could be wrong? Any information you might need in addition?


Thank you very much!


Sebastian



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