[sane-devel] Unsupported device: Canon MF4018

Gleb Baryshev gleb.baryshev at gmail.com
Thu Feb 19 16:26:40 UTC 2009


Hello

I'd like to report an unsupported device. Its name is Canon i-Sensys MF4018.
Bus type: USB
USB id: 04a9/26b4
This multifunctional belongs to 4010 series and must be identical to 
MF4010. I tried to use sane-backends-2009-02-19, but 'scanimage -L' 
said: "No scanners were identified".

$ sane-find-scanner -v -v
This is sane-find-scanner from sane-backends 1.1.0-cvs

   # 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 0x04a9/0x26b4 at 001:005>
bLength               18
bDescriptorType       1
bcdUSB                2.00
bDeviceClass          0
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       64
idVendor              0x04A9
idProduct             0x26B4
bcdDevice             1.00
iManufacturer         1 ((null))
iProduct              2 ((null))
iSerialNumber         3 ((null))
bNumConfigurations    1
  <configuration 0>
  bLength              9
  bDescriptorType      2
  wTotalLength         62
  bNumInterfaces       2
  bConfigurationValue  1
  iConfiguration       0 ()
  bmAttributes         192 (Self-powered)
  MaxPower             2 mA
   <interface 0>
    <altsetting 0>
    bLength            9
    bDescriptorType    4
    bInterfaceNumber   0
    bAlternateSetting  0
    bNumEndpoints      3
    bInterfaceClass    255
    bInterfaceSubClass 0
    bInterfaceProtocol 255
    iInterface         0 ()
     <endpoint 0>
     bLength           7
     bDescriptorType   5
     bEndpointAddress  0x01 (out 0x01)
     bmAttributes      2 (bulk)
     wMaxPacketSize    512
     bInterval         0 ms
     bRefresh          0
     bSynchAddress     0
     <endpoint 1>
     bLength           7
     bDescriptorType   5
     bEndpointAddress  0x82 (in 0x02)
     bmAttributes      2 (bulk)
     wMaxPacketSize    512
     bInterval         0 ms
     bRefresh          0
     bSynchAddress     0
     <endpoint 2>
     bLength           7
     bDescriptorType   5
     bEndpointAddress  0x83 (in 0x03)
     bmAttributes      3 (interrupt)
     wMaxPacketSize    64
     bInterval         11 ms
     bRefresh          0
     bSynchAddress     0
   <interface 1>
    <altsetting 0>
    bLength            9
    bDescriptorType    4
    bInterfaceNumber   1
    bAlternateSetting  0
    bNumEndpoints      2
    bInterfaceClass    7
    bInterfaceSubClass 1
    bInterfaceProtocol 2
    iInterface         0 ()
     <endpoint 0>
     bLength           7
     bDescriptorType   5
     bEndpointAddress  0x04 (out 0x04)
     bmAttributes      2 (bulk)
     wMaxPacketSize    512
     bInterval         0 ms
     bRefresh          0
     bSynchAddress     0
     <endpoint 1>
     bLength           7
     bDescriptorType   5
     bEndpointAddress  0x85 (in 0x05)
     bmAttributes      2 (bulk)
     wMaxPacketSize    512
     bInterval         0 ms
     bRefresh          0
     bSynchAddress     0

<trying to find out which USB chip is used>
     checking for GT-6801 ...
     this is not a GT-6801 (bDeviceClass = 0)
     checking for GT-6816 ...
     this is not a GT-6816 (bcdUSB = 0x200)
     checking for GT-8911 ...
     this is not a GT-8911 (check 2, bcdUSB = 0x200)
     checking for MA-1017 ...
     this is not a MA-1017 (bDeviceClass = 0, bInterfaceClass = 255)
     checking for MA-1015 ...
     this is not a MA-1015 (bDeviceClass = 0)
     checking for MA-1509 ...
     this is not a MA-1509 (bDeviceClass = 0)
     checking for LM983[1,2,3] ...
     this is not a LM983x (bcdUSB = 0x200)
     checking for GL646 ...
     this is not a GL646 (bDeviceClass = 0, bInterfaceClass = 255)
     checking for GL646_HP ...
     this is not a GL646_HP (bDeviceClass = 0, bInterfaceClass = 255)
     checking for GL660+GL646 ...
     this is not a GL660+GL646 (bDeviceClass = 0, bInterfaceClass = 255)
     checking for GL84x ...
     this is not a GL841 (bDeviceClass = 0, bInterfaceClass = 255)
     checking for ICM532B ...
     this is not a ICM532B (check 1, bDeviceClass = 0, bInterfaceClass = 
255)
     checking for PV8630/LM9830 ...
     this is not a PV8630/LM9830 (bcdUSB = 0x200)
     checking for M011 ...
     this is not a M011 (bDeviceClass = 0)
     checking for RTS8822 ...
     this is not a RTS8822 (bEndpointAddress = 0x1, bmAttributes = 0x2, 
wMaxPacketSize = 0x200, bInterval = 0x0)
     checking for rts8858c ...
     this is not a rts8858c (bcdUSB = 0x200)
     checking for SQ113 ...
     this is not a SQ113 (bInterfaceSubClass = 0)
     checking for HP5550/5590/7650 chipset ...
     this is not a HP5550/5590/7650 chipset (bDeviceClass = 0)
     checking for rts8801/rts8891 ...
     this is not a rts8801/rts8891 (bcdUSB = 0x200)
<Couldn't determine the type of the USB chip (result from sane-backends 
1.1.0-cvs)>

found USB scanner (vendor=0x04a9, product=0x26b4) at libusb:001:005

<device descriptor of 0x1d6b/0x0002 at 001:001>
bLength               18
bDescriptorType       1
bcdUSB                2.00
bDeviceClass          9
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       64
idVendor              0x1D6B
idProduct             0x0002
bcdDevice             2.06
iManufacturer         3 ((null))
iProduct              2 ((null))
iSerialNumber         1 ((null))
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 0x1d6b/0x0001 at 004:001>
bLength               18
bDescriptorType       1
bcdUSB                1.10
bDeviceClass          9
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       64
idVendor              0x1D6B
idProduct             0x0001
bcdDevice             2.06
iManufacturer         3 ((null))
iProduct              2 ((null))
iSerialNumber         1 ((null))
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         255 ms
     bRefresh          0
     bSynchAddress     0

<device descriptor of 0x067b/0x2303 at 003:003>
bLength               18
bDescriptorType       1
bcdUSB                1.10
bDeviceClass          0
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       64
idVendor              0x067B
idProduct             0x2303
bcdDevice             3.00
iManufacturer         1 ((null))
iProduct              2 ((null))
iSerialNumber         0 ()
bNumConfigurations    1
  <configuration 0>
  bLength              9
  bDescriptorType      2
  wTotalLength         39
  bNumInterfaces       1
  bConfigurationValue  1
  iConfiguration       0 ()
  bmAttributes         128 ()
  MaxPower             100 mA
   <interface 0>
    <altsetting 0>
    bLength            9
    bDescriptorType    4
    bInterfaceNumber   0
    bAlternateSetting  0
    bNumEndpoints      3
    bInterfaceClass    255
    bInterfaceSubClass 0
    bInterfaceProtocol 0
    iInterface         0 ()
     <endpoint 0>
     bLength           7
     bDescriptorType   5
     bEndpointAddress  0x81 (in 0x01)
     bmAttributes      3 (interrupt)
     wMaxPacketSize    10
     bInterval         1 ms
     bRefresh          0
     bSynchAddress     0
     <endpoint 1>
     bLength           7
     bDescriptorType   5
     bEndpointAddress  0x02 (out 0x02)
     bmAttributes      2 (bulk)
     wMaxPacketSize    64
     bInterval         0 ms
     bRefresh          0
     bSynchAddress     0
     <endpoint 2>
     bLength           7
     bDescriptorType   5
     bEndpointAddress  0x83 (in 0x03)
     bmAttributes      2 (bulk)
     wMaxPacketSize    64
     bInterval         0 ms
     bRefresh          0
     bSynchAddress     0

<trying to find out which USB chip is used>
     checking for GT-6801 ...
     this is not a GT-6801 (bDeviceClass = 0)
     checking for GT-6816 ...
     this is not a GT-6816 (bNumEndpoints = 3)
     checking for GT-8911 ...
     this is not a GT-8911 (check 5, bNumEndpoints = 3)
     checking for MA-1017 ...
     this is not a MA-1017 (bDeviceClass = 0, bInterfaceClass = 255)
     checking for MA-1015 ...
     this is not a MA-1015 (bDeviceClass = 0)
     checking for MA-1509 ...
     this is not a MA-1509 (bDeviceClass = 0)
     checking for LM983[1,2,3] ...
     this is not a LM983x (bEndpointAddress = 0x81, bmAttributes = 0x3, 
wMaxPacketSize = 0xa, bInterval = 0x1)
     checking for GL646 ...
     this is not a GL646 (bDeviceClass = 0, bInterfaceClass = 255)
     checking for GL646_HP ...
     this is not a GL646_HP (bDeviceClass = 0, bInterfaceClass = 255)
     checking for GL660+GL646 ...
     this is not a GL660+GL646 (bDeviceClass = 0, bInterfaceClass = 255)
     checking for GL84x ...
     this is not a GL841 (bDeviceClass = 0, bInterfaceClass = 255)
     checking for ICM532B ...
     this is not a ICM532B (check 1, bDeviceClass = 0, bInterfaceClass = 
255)
     checking for PV8630/LM9830 ...
     this is not a PV8630/LM9830 (bcdUSB = 0x110)
     checking for M011 ...
     this is not a M011 (bDeviceClass = 0)
     checking for RTS8822 ...
     this is not a RTS8822 (bEndpointAddress = 0x81, bmAttributes = 0x3, 
wMaxPacketSize = 0xa, bInterval = 0x1)
     checking for rts8858c ...
     this is not a rts8858c (bEndpointAddress = 0x81, bmAttributes = 
0x3, wMaxPacketSize = 0xa, bInterval = 0x1)
     checking for SQ113 ...
     this is not a SQ113 (bcdUSB = 0x110)
     checking for HP5550/5590/7650 chipset ...
     this is not a HP5550/5590/7650 chipset (bDeviceClass = 0)
     checking for rts8801/rts8891 ...
     this is not a rts8801/rts8891 (bEndpointAddress = 0x81, 
bmAttributes = 0x3, wMaxPacketSize = 0xa, bInterval = 0x1)
<Couldn't determine the type of the USB chip (result from sane-backends 
1.1.0-cvs)>

found USB scanner (vendor=0x067b, product=0x2303) at libusb:003:003

<device descriptor of 0x1d6b/0x0001 at 003:001>
bLength               18
bDescriptorType       1
bcdUSB                1.10
bDeviceClass          9
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       64
idVendor              0x1D6B
idProduct             0x0001
bcdDevice             2.06
iManufacturer         3 ((null))
iProduct              2 ((null))
iSerialNumber         1 ((null))
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         255 ms
     bRefresh          0
     bSynchAddress     0

<device descriptor of 0x0458/0x004c at 002:005>
bLength               18
bDescriptorType       1
bcdUSB                1.10
bDeviceClass          0
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       8
idVendor              0x0458
idProduct             0x004C
bcdDevice             1.01
iManufacturer         1 ((null))
iProduct              2 ((null))
iSerialNumber         0 ()
bNumConfigurations    1
  <configuration 0>
  bLength              9
  bDescriptorType      2
  wTotalLength         59
  bNumInterfaces       2
  bConfigurationValue  1
  iConfiguration       0 ()
  bmAttributes         224 (Self-poweredRemote Wakeup)
  MaxPower             50 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         10 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         10 ms
     bRefresh          0
     bSynchAddress     0

<device descriptor of 0x046d/0xc045 at 002:003>
bLength               18
bDescriptorType       1
bcdUSB                2.00
bDeviceClass          0
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       8
idVendor              0x046D
idProduct             0xC045
bcdDevice             39.20
iManufacturer         1 ((null))
iProduct              2 ((null))
iSerialNumber         0 ()
bNumConfigurations    1
  <configuration 0>
  bLength              9
  bDescriptorType      2
  wTotalLength         34
  bNumInterfaces       1
  bConfigurationValue  1
  iConfiguration       0 ()
  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    5
     bInterval         10 ms
     bRefresh          0
     bSynchAddress     0

<device descriptor of 0x04b4/0x2050 at 002:004>
bLength               18
bDescriptorType       1
bcdUSB                1.10
bDeviceClass          9
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       8
idVendor              0x04B4
idProduct             0x2050
bcdDevice             0.01
iManufacturer         1 ((null))
iProduct              2 ((null))
iSerialNumber         0 ()
bNumConfigurations    1
  <configuration 0>
  bLength              9
  bDescriptorType      2
  wTotalLength         25
  bNumInterfaces       1
  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      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         255 ms
     bRefresh          0
     bSynchAddress     0

<device descriptor of 0x04cc/0x1122 at 002:002>
bLength               18
bDescriptorType       1
bcdUSB                1.10
bDeviceClass          9
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       64
idVendor              0x04CC
idProduct             0x1122
bcdDevice             1.10
iManufacturer         0 ()
iProduct              0 ()
iSerialNumber         0 ()
bNumConfigurations    1
  <configuration 0>
  bLength              9
  bDescriptorType      2
  wTotalLength         25
  bNumInterfaces       1
  bConfigurationValue  1
  iConfiguration       0 ()
  bmAttributes         160 (Remote Wakeup)
  MaxPower             100 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         255 ms
     bRefresh          0
     bSynchAddress     0

<device descriptor of 0x1d6b/0x0001 at 002:001>
bLength               18
bDescriptorType       1
bcdUSB                1.10
bDeviceClass          9
bDeviceSubClass       0
bDeviceProtocol       0
bMaxPacketSize0       64
idVendor              0x1D6B
idProduct             0x0001
bcdDevice             2.06
iManufacturer         3 ((null))
iProduct              2 ((null))
iSerialNumber         1 ((null))
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         255 ms
     bRefresh          0
     bSynchAddress     0
   # Your USB scanner was (probably) detected. It may or may not be 
supported by
   # SANE. Try scanimage -L and read the backend's manpage.

   # Not checking for parallel port scanners.

   # Most Scanners connected to the parallel port or other proprietary ports
   # can't be detected by this program.

   # You may want to run this program as root to find all devices. Once you
   # found the scanner devices, be sure to adjust access permissions as
   # necessary.
done




Here is a part of /proc/bus/usb/devices:

T:  Bus=01 Lev=01 Prnt=01 Port=05 Cnt=01 Dev#=  5 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=04a9 ProdID=26b4 Rev= 1.00
S:  Manufacturer=Canon Inc.
S:  Product=MF4010
S:  SerialNumber=SDF760260809Q
C:* #Ifs= 2 Cfg#= 1 Atr=c0 MxPwr=  2mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=ff Driver=(none)
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=83(I) Atr=03(Int.) MxPS=  64 Ivl=128ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=07(print) Sub=01 Prot=02 Driver=usblp
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms



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