rendered paste bodyThis is sane-find-scanner from sane-backends 1.0.22
# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.
searching for SCSI scanners:
checking /dev/scanner... failed to open (Invalid argument)
checking /dev/sg0... failed to open (Invalid argument)
checking /dev/sg1... failed to open (Invalid argument)
checking /dev/sg2... failed to open (Invalid argument)
checking /dev/sg3... failed to open (Invalid argument)
checking /dev/sg4... failed to open (Invalid argument)
checking /dev/sg5... failed to open (Invalid argument)
checking /dev/sg6... failed to open (Invalid argument)
checking /dev/sg7... failed to open (Invalid argument)
checking /dev/sg8... failed to open (Invalid argument)
checking /dev/sg9... failed to open (Invalid argument)
checking /dev/sga... failed to open (Invalid argument)
checking /dev/sgb... failed to open (Invalid argument)
checking /dev/sgc... failed to open (Invalid argument)
checking /dev/sgd... failed to open (Invalid argument)
checking /dev/sge... failed to open (Invalid argument)
checking /dev/sgf... failed to open (Invalid argument)
checking /dev/sgg... failed to open (Invalid argument)
checking /dev/sgh... failed to open (Invalid argument)
checking /dev/sgi... failed to open (Invalid argument)
checking /dev/sgj... failed to open (Invalid argument)
checking /dev/sgk... failed to open (Invalid argument)
checking /dev/sgl... failed to open (Invalid argument)
checking /dev/sgm... failed to open (Invalid argument)
checking /dev/sgn... failed to open (Invalid argument)
checking /dev/sgo... failed to open (Invalid argument)
checking /dev/sgp... failed to open (Invalid argument)
checking /dev/sgq... failed to open (Invalid argument)
checking /dev/sgr... failed to open (Invalid argument)
checking /dev/sgs... failed to open (Invalid argument)
checking /dev/sgt... failed to open (Invalid argument)
checking /dev/sgu... failed to open (Invalid argument)
checking /dev/sgv... failed to open (Invalid argument)
checking /dev/sgw... failed to open (Invalid argument)
checking /dev/sgx... failed to open (Invalid argument)
checking /dev/sgy... failed to open (Invalid argument)
checking /dev/sgz... failed to open (Invalid argument)
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.
searching for USB scanners:
checking /dev/usb/scanner... failed to open (Invalid argument)
checking /dev/usb/scanner0... failed to open (Invalid argument)
checking /dev/usb/scanner1... failed to open (Invalid argument)
checking /dev/usb/scanner2... failed to open (Invalid argument)
checking /dev/usb/scanner3... failed to open (Invalid argument)
checking /dev/usb/scanner4... failed to open (Invalid argument)
checking /dev/usb/scanner5... failed to open (Invalid argument)
checking /dev/usb/scanner5... failed to open (Invalid argument)
checking /dev/usb/scanner7... failed to open (Invalid argument)
checking /dev/usb/scanner8... failed to open (Invalid argument)
checking /dev/usb/scanner9... failed to open (Invalid argument)
checking /dev/usb/scanner10... failed to open (Invalid argument)
checking /dev/usb/scanner11... failed to open (Invalid argument)
checking /dev/usb/scanner12... failed to open (Invalid argument)
checking /dev/usb/scanner13... failed to open (Invalid argument)
checking /dev/usb/scanner14... failed to open (Invalid argument)
checking /dev/usb/scanner15... failed to open (Invalid argument)
checking /dev/usbscanner... failed to open (Invalid argument)
checking /dev/usbscanner0... failed to open (Invalid argument)
checking /dev/usbscanner1... failed to open (Invalid argument)
checking /dev/usbscanner2... failed to open (Invalid argument)
checking /dev/usbscanner3... failed to open (Invalid argument)
checking /dev/usbscanner4... failed to open (Invalid argument)
checking /dev/usbscanner5... failed to open (Invalid argument)
checking /dev/usbscanner6... failed to open (Invalid argument)
checking /dev/usbscanner7... failed to open (Invalid argument)
checking /dev/usbscanner8... failed to open (Invalid argument)
checking /dev/usbscanner9... failed to open (Invalid argument)
checking /dev/usbscanner10... failed to open (Invalid argument)
checking /dev/usbscanner11... failed to open (Invalid argument)
checking /dev/usbscanner12... failed to open (Invalid argument)
checking /dev/usbscanner13... failed to open (Invalid argument)
checking /dev/usbscanner14... failed to open (Invalid argument)
checking /dev/usbscanner15... failed to open (Invalid argument)
trying libusb:
<device descriptor of 0x046d/0xc526 at 002:005 (Logitech USB Receiver)>
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 32
idVendor 0x046D
idProduct 0xC526
bcdDevice 5.00
iManufacturer 1 (Logitech)
iProduct 2 (USB Receiver)
iSerialNumber 0 ()
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 59
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 4 (RQR05.00_B0023)
bmAttributes 160 (Remote Wakeup)
MaxPower 98 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3
bInterfaceSubClass 1
bInterfaceProtocol 2
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 3 (interrupt)
wMaxPacketSize 8
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<interface 1>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 (in 0x02)
bmAttributes 3 (interrupt)
wMaxPacketSize 20
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<device descriptor of 0x04f2/0xb1d8 at 002:004 (Sonix Technology Co., Ltd. 1.3M WebCam)>
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 239
bDeviceSubClass 2
bDeviceProtocol 1
bMaxPacketSize0 64
idVendor 0x04F2
idProduct 0xB1D8
bcdDevice 85.63
iManufacturer 2 (Sonix Technology Co., Ltd.)
iProduct 1 (1.3M WebCam)
iSerialNumber 0 ()
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 531
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 128 ()
MaxPower 500 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14
bInterfaceSubClass 1
bInterfaceProtocol 0
iInterface 5 (1.3M WebCam)
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 3 (interrupt)
wMaxPacketSize 16
bInterval 6 ms
bRefresh 0
bSynchAddress 0
<interface 1>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 14
bInterfaceSubClass 2
bInterfaceProtocol 0
iInterface 5 (1.3M WebCam)
<altsetting 1>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 14
bInterfaceSubClass 2
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 5 (isochronous)
wMaxPacketSize 128
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 2>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 2
bNumEndpoints 1
bInterfaceClass 14
bInterfaceSubClass 2
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 5 (isochronous)
wMaxPacketSize 256
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 3>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 3
bNumEndpoints 1
bInterfaceClass 14
bInterfaceSubClass 2
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 5 (isochronous)
wMaxPacketSize 800
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 4>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 4
bNumEndpoints 1
bInterfaceClass 14
bInterfaceSubClass 2
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 5 (isochronous)
wMaxPacketSize 2848
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 5>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 5
bNumEndpoints 1
bInterfaceClass 14
bInterfaceSubClass 2
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 5 (isochronous)
wMaxPacketSize 4896
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 6>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 6
bNumEndpoints 1
bInterfaceClass 14
bInterfaceSubClass 2
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 5 (isochronous)
wMaxPacketSize 5120
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<device descriptor of 0x046d/0xc52b at 002:003 (Logitech USB Receiver)>
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x046D
idProduct 0xC52B
bcdDevice 18.01
iManufacturer 1 (Logitech)
iProduct 2 (USB Receiver)
iSerialNumber 0 ()
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 84
bNumInterfaces 3
bConfigurationValue 1
iConfiguration 4 (RQR12.01_B0019)
bmAttributes 160 (Remote Wakeup)
MaxPower 98 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3
bInterfaceSubClass 1
bInterfaceProtocol 1
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 3 (interrupt)
wMaxPacketSize 8
bInterval 8 ms
bRefresh 0
bSynchAddress 0
<interface 1>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3
bInterfaceSubClass 1
bInterfaceProtocol 2
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 (in 0x02)
bmAttributes 3 (interrupt)
wMaxPacketSize 8
bInterval 2 ms
bRefresh 0
bSynchAddress 0
<interface 2>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 3 (interrupt)
wMaxPacketSize 32
bInterval 2 ms
bRefresh 0
bSynchAddress 0
<device descriptor of 0x8087/0x0020 at 002:002>
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 1
bMaxPacketSize0 64
idVendor 0x8087
idProduct 0x0020
bcdDevice 0.00
iManufacturer 0 ()
iProduct 0 ()
iSerialNumber 0 ()
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 224 (Self-poweredRemote Wakeup)
MaxPower 0 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 3 (interrupt)
wMaxPacketSize 2
bInterval 12 ms
bRefresh 0
bSynchAddress 0
<device descriptor of 0x1d6b/0x0002 at 002:001 (Linux 3.1.0-ACER-1830T ehci_hcd EHCI Host Controller)>
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1D6B
idProduct 0x0002
bcdDevice 3.01
iManufacturer 3 (Linux 3.1.0-ACER-1830T ehci_hcd)
iProduct 2 (EHCI Host Controller)
iSerialNumber 1 (0000:00:1d.0)
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 224 (Self-poweredRemote Wakeup)
MaxPower 0 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 3 (interrupt)
wMaxPacketSize 4
bInterval 12 ms
bRefresh 0
bSynchAddress 0
<device descriptor of 0x04e8/0x3413 at 001:007 (Samsung Samsung SCX-4100 Series)>
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x04E8
idProduct 0x3413
bcdDevice 1.00
iManufacturer 1 (Samsung)
iProduct 2 (Samsung SCX-4100 Series)
iSerialNumber 3 (0123456789ABCDEF)
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 192 (Self-powered)
MaxPower 0 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 7
bInterfaceSubClass 1
bInterfaceProtocol 2
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 (out 0x03)
bmAttributes 2 (bulk)
wMaxPacketSize 64
bInterval 0 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 2 (bulk)
wMaxPacketSize 64
bInterval 0 ms
bRefresh 0
bSynchAddress 0
<device descriptor of 0x0cf3/0x3005 at 001:006>
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 224
bDeviceSubClass 1
bDeviceProtocol 1
bMaxPacketSize0 64
idVendor 0x0CF3
idProduct 0x3005
bcdDevice 0.01
iManufacturer 0 ()
iProduct 0 ()
iSerialNumber 0 ()
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 177
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 224 (Self-poweredRemote Wakeup)
MaxPower 100 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 224
bInterfaceSubClass 1
bInterfaceProtocol 1
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 3 (interrupt)
wMaxPacketSize 16
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 (in 0x02)
bmAttributes 2 (bulk)
wMaxPacketSize 64
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<endpoint 2>
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 (out 0x02)
bmAttributes 2 (bulk)
wMaxPacketSize 64
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<interface 1>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 224
bInterfaceSubClass 1
bInterfaceProtocol 1
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 0
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 (out 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 0
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 1>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 224
bInterfaceSubClass 1
bInterfaceProtocol 1
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 9
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 (out 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 9
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 2>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 2
bNumEndpoints 2
bInterfaceClass 224
bInterfaceSubClass 1
bInterfaceProtocol 1
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 17
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 (out 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 17
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 3>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 3
bNumEndpoints 2
bInterfaceClass 224
bInterfaceSubClass 1
bInterfaceProtocol 1
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 25
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 (out 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 25
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 4>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 4
bNumEndpoints 2
bInterfaceClass 224
bInterfaceSubClass 1
bInterfaceProtocol 1
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 33
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 (out 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 33
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<altsetting 5>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 5
bNumEndpoints 2
bInterfaceClass 224
bInterfaceSubClass 1
bInterfaceProtocol 1
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 49
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 (out 0x03)
bmAttributes 1 (isochronous)
wMaxPacketSize 49
bInterval 1 ms
bRefresh 0
bSynchAddress 0
<device descriptor of 0x8087/0x0020 at 001:002>
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 1
bMaxPacketSize0 64
idVendor 0x8087
idProduct 0x0020
bcdDevice 0.00
iManufacturer 0 ()
iProduct 0 ()
iSerialNumber 0 ()
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 224 (Self-poweredRemote Wakeup)
MaxPower 0 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 3 (interrupt)
wMaxPacketSize 1
bInterval 12 ms
bRefresh 0
bSynchAddress 0
<device descriptor of 0x1d6b/0x0002 at 001:001 (Linux 3.1.0-ACER-1830T ehci_hcd EHCI Host Controller)>
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1D6B
idProduct 0x0002
bcdDevice 3.01
iManufacturer 3 (Linux 3.1.0-ACER-1830T ehci_hcd)
iProduct 2 (EHCI Host Controller)
iSerialNumber 1 (0000:00:1a.0)
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 224 (Self-poweredRemote Wakeup)
MaxPower 0 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 3 (interrupt)
wMaxPacketSize 4
bInterval 12 ms
bRefresh 0
bSynchAddress 0
# No USB scanners found. If you expected something different, make sure that
# you have loaded a kernel driver for your USB host controller and have setup
# the USB system correctly. See man sane-usb for details.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
done