Added sane-find-scanner output.

unsupported/canon-d646u.html

@@ -45,7 +45,7 @@
     <h2>Output of /proc/bus/usb/devices or sane-find-scanner -v -v</h2>
     <pre>
 T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  3 Spd=12  MxCh= 0
-D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
+D:  Ver= 1.10 Cls=00(&gt;ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
 P:  Vendor=04a9 ProdID=220b Rev= 0.07
 S:  Manufacturer=Canon
 S:  Product=CanoScan
@@ -53,6 +53,91 @@ C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 48mA
 I:  If#= 0 Alt= 0 #EPs= 2 Cls=10(unk. ) Sub=01 Prot=00 Driver=usbscanner
 E:  Ad=81(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
 E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
+
+D646Uex:
+This is sane-find-scanner from sane-backends 1.0.15
+&lt;device descriptor of 0x04a9/0x220b at 001:002&gt;
+bLength               18
+bDescriptorType       1
+bcdUSB                1.10
+bDeviceClass          0
+bDeviceSubClass       0
+bDeviceProtocol       0
+bMaxPacketSize0       8
+idVendor              0x04A9
+idProduct             0x220B
+bcdDevice             0.07
+iManufacturer         5 ((null))
+iProduct              6 ((null))
+iSerialNumber         0 ()
+bNumConfigurations    1
+ &lt;configuration 0&gt;
+ bLength              9
+ bDescriptorType      2
+ wTotalLength         32
+ bNumInterfaces       1
+ bConfigurationValue  1
+ iConfiguration       0 ()
+ bmAttributes         192 (Self-powered)
+ MaxPower             48 mA
+  &lt;interface 0&gt;
+   &lt;altsetting 0&gt;
+   bLength            9
+   bDescriptorType    4
+   bInterfaceNumber   0
+   bAlternateSetting  0
+   bNumEndpoints      2
+   bInterfaceClass    16
+   bInterfaceSubClass 1
+   bInterfaceProtocol 0
+   iInterface         0 ()
+    &lt;endpoint 0&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x81 (in 0x01)
+    bmAttributes      2 (bulk)
+    wMaxPacketSize    64
+    bInterval         0 ms
+    bRefresh          0
+    bSynchAddress     0
+    &lt;endpoint 1&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x02 (out 0x02)
+    bmAttributes      2 (bulk)
+    wMaxPacketSize    64
+    bInterval         0 ms
+    bRefresh          0
+    bSynchAddress     0
+
+&lt;trying to find out which USB chip is used&gt;
+    checking for GT-6801 ...
+    this is not a GT-6801 (bDeviceClass = 0)
+    checking for GT-6816 ...
+    this is not a GT-6816 (bDeviceClass = 0, bInterfaceClass = 16)
+    checking for GT-8911 ...
+    this is not a GT-8911 (check 1, bDeviceClass = 0, bInterfaceClass = 16)
+    checking for MA-1017 ...
+    this is not a MA-1017 (bDeviceClass = 0, bInterfaceClass = 16)
+    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 (bDeviceClass = 0, bInterfaceClass = 16)
+    checking for GL646 ...
+    this is not a GL646 (bNumEndpoints = 2)
+    checking for GL646_HP ...
+    this is not a GL646_HP (bDeviceClass = 0, bInterfaceClass = 16)
+    checking for GL660+GL646 ...
+    this is not a GL660+GL646 (bDeviceClass = 0, bInterfaceClass = 16)
+    checking for GL841 ...
+    this is not a GL841 (bDeviceClass = 0, bInterfaceClass = 16)
+    checking for ICM532B ...
+    this is not a ICM532B (check 1, bDeviceClass = 0, bInterfaceClass = 16)
+&lt;Couldn't determine the type of the USB chip&gt;
+
+found USB scanner (vendor=0x04a9, product=0x220b) at libusb:001:002
     </pre>
     
     <h1>Want to add or correct information?</h1>