Hallo, noch ein Zusatz. Eventuell könnte sich es um ein änliches Problem wie dieses handeln: https://alioth.debian.org/tracker/?group_id=30186&atid=410366&func=detail&aid=300868 Ich habe die letzten Zeilen der Ausgabe SANE_DEBUG_SANEI_USB=128 scanimage -T hier angehangen. Aber wie kann man es lösen? Danke [sanei_usb] sanei_usb_open: trying to open device `libusb:003:004' [sanei_usb] sanei_usb_open: configuration nr: 0 [sanei_usb] sanei_usb_open: interface nr: 0 [sanei_usb] sanei_usb_open: alt_setting nr: 0 [sanei_usb] sanei_usb_open: endpoint nr: 0 [sanei_usb] sanei_usb_open: direction: 128 [sanei_usb] sanei_usb_open: address: 1 transfertype: 2 [sanei_usb] sanei_usb_open: found bulk-in endpoint (address 0x01) [sanei_usb] sanei_usb_open: we already have a bulk-in endpoint (address: 0x81), ignoring the new one [sanei_usb] sanei_usb_open: endpoint nr: 1 [sanei_usb] sanei_usb_open: direction: 0 [sanei_usb] sanei_usb_open: address: 2 transfertype: 2 [sanei_usb] sanei_usb_open: found bulk-out endpoint (address 0x02) [sanei_usb] sanei_usb_open: we already have a bulk-out endpoint (address: 0x02), ignoring the new one [sanei_usb] sanei_usb_open: opened usb device `libusb:003:004' (*dn=0) [sanei_usb] sanei_usb_write_bulk: trying to write 2 bytes [sanei_usb] 0000: 1B 65 .e.............. [sanei_usb] sanei_usb_write_bulk: wanted 2 bytes, wrote 2 bytes [sanei_usb] sanei_usb_read_bulk: trying to read 1 bytes [sanei_usb] sanei_usb_read_bulk: read failed: Resource temporarily unavailable [sanei_usb] sanei_usb_write_bulk: trying to write 2 bytes [sanei_usb] 0000: 1B 66 .f.............. [sanei_usb] sanei_usb_write_bulk: wanted 2 bytes, wrote 2 bytes [sanei_usb] sanei_usb_read_bulk: trying to read 4 bytes [sanei_usb] 0000: 15 ................ [sanei_usb] sanei_usb_read_bulk: wanted 4 bytes, got 1 bytes [sanei_usb] sanei_usb_close: closing device 0 scanimage: sane_start: Error during device I/O