Updated USB descriptor

unsupported/lexmark-x3450.html

@@ -33,6 +33,175 @@
     </p>
     <h2>Output of /proc/bus/usb/devices or sane-find-scanner -v -v or lsusb -vv</h2>
     <pre>
+&lt;device descriptor of 0x043d/0x00f6 at 002:007&gt;
+bLength               18
+bDescriptorType       1
+bcdUSB                2.00
+bDeviceClass          0
+bDeviceSubClass       0
+bDeviceProtocol       0
+bMaxPacketSize0       64
+idVendor              0x043D
+idProduct             0x00F6
+bcdDevice             0.01
+iManufacturer         1 ((null))
+iProduct              2 ((null))
+iSerialNumber         3 ((null))
+bNumConfigurations    1
+ &lt;configuration 0&gt;
+ bLength              9
+ bDescriptorType      2
+ wTotalLength         103
+ bNumInterfaces       4
+ bConfigurationValue  1
+ iConfiguration       6 ((null))
+ bmAttributes         192 (Self-powered)
+ MaxPower             10 mA
+  &lt;interface 0&gt;
+   &lt;altsetting 0&gt;
+   bLength            9
+   bDescriptorType    4
+   bInterfaceNumber   0
+   bAlternateSetting  0
+   bNumEndpoints      2
+   bInterfaceClass    255
+   bInterfaceSubClass 255
+   bInterfaceProtocol 255
+   iInterface         4 ((null))
+    &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;interface 1&gt;
+   &lt;altsetting 0&gt;
+   bLength            9
+   bDescriptorType    4
+   bInterfaceNumber   1
+   bAlternateSetting  0
+   bNumEndpoints      2
+   bInterfaceClass    7
+   bInterfaceSubClass 1
+   bInterfaceProtocol 2
+   iInterface         5 ((null))
+    &lt;endpoint 0&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x83 (in 0x03)
+    bmAttributes      2 (bulk)
+    wMaxPacketSize    64
+    bInterval         0 ms
+    bRefresh          0
+    bSynchAddress     0
+    &lt;endpoint 1&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x04 (out 0x04)
+    bmAttributes      2 (bulk)
+    wMaxPacketSize    64
+    bInterval         0 ms
+    bRefresh          0
+    bSynchAddress     0
+  &lt;interface 2&gt;
+   &lt;altsetting 0&gt;
+   bLength            9
+   bDescriptorType    4
+   bInterfaceNumber   2
+   bAlternateSetting  0
+   bNumEndpoints      2
+   bInterfaceClass    8
+   bInterfaceSubClass 6
+   bInterfaceProtocol 80
+   iInterface         0 ()
+    &lt;endpoint 0&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x85 (in 0x05)
+    bmAttributes      2 (bulk)
+    wMaxPacketSize    64
+    bInterval         0 ms
+    bRefresh          0
+    bSynchAddress     0
+    &lt;endpoint 1&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x06 (out 0x06)
+    bmAttributes      2 (bulk)
+    wMaxPacketSize    64
+    bInterval         0 ms
+    bRefresh          0
+    bSynchAddress     0
+  &lt;interface 3&gt;
+   &lt;altsetting 0&gt;
+   bLength            9
+   bDescriptorType    4
+   bInterfaceNumber   3
+   bAlternateSetting  0
+   bNumEndpoints      1
+   bInterfaceClass    3
+   bInterfaceSubClass 0
+   bInterfaceProtocol 0
+   iInterface         0 ()
+    &lt;endpoint 0&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x89 (in 0x09)
+    bmAttributes      3 (interrupt)
+    wMaxPacketSize    12
+    bInterval         16 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 (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 GL841 ...
+    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 RTS8822L-01H ...
+    this is not a RTS8822L-01H (bNumEndpoints = 2)
+    checking for rts8858c ...
+    this is not a rts8858c (bcdUSB = 0x200)
+    checking for SQ113 ...
+    this is not a SQ113 (bNumEndpoints = 2)
+&lt;Couldn't determine the type of the USB chip (result from sane-backends 1.0.18)&gt;
+
 T:  Bus=02 Lev=02 Prnt=04 Port=03 Cnt=03 Dev#=  7 Spd=12  MxCh= 0
 D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
 P:  Vendor=043d ProdID=00f6 Rev= 0.01