[sanei_debug] Setting debug level of snapscan to 255.
[snapscan] sane_snapscan_init
[snapscan] sane_snapscan_init: Snapscan backend version 1.4.40
[snapscan] add_usb_device(/dev/usb/scanner0 bus=usb)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(/dev/usb/scanner0)
[snapscan] add_usb_device: error opening device /dev/usb/scanner0: Invalid argument
[snapscan] add_usb_device(libusb:004:010)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(libusb:004:010)
[snapscan] add_usb_device: Checking if 0x04a5 is a supported USB vendor ID
[snapscan] snapscani_check_device()
[snapscan] mini_inquiry
[snapscan] snapscan_cmd
[snapscan] snapscani_usb_cmd(0,0xbfeb7322,6,0xbfeb72fe,0xbfeb7328 (36))
[snapscan] atomic_usb_cmd(0,0xbfeb7322,6,0xbfeb72fe,0xbfeb7328 (36))
[snapscan] usb_cmd(0,0xbfeb7322,6,0xbfeb72fe,0xbfeb7328 (36))
[snapscan] usb_cmd: cmdlen=6, datalen=0
[snapscan] usb_write: writing:  0x12 0x00 0x00 0x00 0x24 0x00
[snapscan] Written 6 bytes
[snapscan] usb_read: reading:  0xf9 0x00 0x00 0x00 0x00 0x00 0x00 0x00
[snapscan] Read 8 bytes
[snapscan] usb_read: reading:  0x06 0x00 0x02 0x02 0x49 0x00 0x00 0x00 0x43 0x6f ...
[snapscan] Read 36 bytes
[snapscan] usb_read: reading:  0xfb 0x00 0x00 0x00 0x00 0x00 0x00 0x00
[snapscan] Read 8 bytes
[snapscan] snapscani_check_device: Is vendor "Color" model "FlatbedScanner22" a supported scanner?
[snapscan] snapscani_get_model_id(FlatbedScanner22, 0, 2)
[snapscan] snapscani_get_model_id: looking up scanner for ID 0x04a5,0x20b0.
[snapscan] snapscani_check_device: Autodetected driver: Acer4300 (42 bit)
[snapscan] snapscani_usb_close(0)
[snapscan] 1st read 3 write 1
[snapscan] snapscani_usb_cmd(0,0xbfeb731e,6,0x0,0x0 (0))
[snapscan] atomic_usb_cmd(0,0xbfeb731e,6,0x0,0x0 (0))
[snapscan] usb_cmd(0,0xbfeb731e,6,0x0,0x0 (0))
[snapscan] usb_cmd: cmdlen=6, datalen=0
[snapscan] usb_write: writing:  0x00 0x00 0x00 0x00 0x00 0x00
[snapscan] Written 6 bytes
[snapscan] usb_read: reading:  0xfb 0x00 0x00 0x00 0x00 0x00 0x00 0x00
[snapscan] Read 8 bytes
[snapscan] 2nd read 4 write 2
[snapscan] snapscani_init_device_structure()
[snapscan] sane_snapscan_get_devices (0xbfeb84f8, 0)
[snapscan] sane_snapscan_exit