[sane-devel] SANE unsupported device

B. Ferdinand b.ferdi at gmx.net
Thu Sep 16 12:47:08 UTC 2010


Type:  reflecta X²-Scan

Device:
	Image sensor	: CMOS
	Colour depth		: 24 bit 
	Resolution		: 5 Mp = 1800 ppi
	Scan range		: max. 24,3 x 36,5 mm
	Contrast			: 3.0 Dmax
	Connector		: USB2.0 (comp. with USB1.1)

List output  - # sane-find-scanner -v -v


This is sane-find-scanner from sane-backends 1.0.20

  # 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 0x1d6b/0x0002 at 001:001 (Linux 2.6.31.12-0.2-desktop 
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             2.06                                                                                 
iManufacturer         3 (Linux 2.6.31.12-0.2-desktop ehci_hcd)                                             
iProduct              2 (EHCI Host Controller)                                                             
iSerialNumber         1 (0000:00:02.1)                                                                     
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 0x04e8/0x342a at 001:004 (Samsung Electronics Co., Ltd. 
CLX-3170 Series)>
bLength               18                                                                       
bDescriptorType       1                                                                        
bcdUSB                2.00                                                                     
bDeviceClass          0                                                                        
bDeviceSubClass       0                                                                        
bDeviceProtocol       0                                                                        
bMaxPacketSize0       64                                                                       
idVendor              0x04E8                                                                   
idProduct             0x342A                                                                   
bcdDevice             1.00                                                                     
iManufacturer         1 (Samsung Electronics Co., Ltd.)                                        
iProduct              2 (CLX-3170 Series)                                                      
iSerialNumber         3 (14AUBxxxxxxxxxx)                                                      
bNumConfigurations    1                                                                        
 <configuration 0>                                                                             
 bLength              9                                                                        
 bDescriptorType      2                                                                        
 wTotalLength         55                                                                       
 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      2                                                                        
   bInterfaceClass    255                                                                      
   bInterfaceSubClass 255                                                                      
   bInterfaceProtocol 255                                                                      
   iInterface         0 ()                                                                     
    <endpoint 0>                                                                               
    bLength           7                                                                        
    bDescriptorType   5                                                                        
    bEndpointAddress  0x03 (out 0x03)                                                          
    bmAttributes      2 (bulk)                                                                 
    wMaxPacketSize    512                                                                      
    bInterval         10 ms                                                                    
    bRefresh          0                                                                        
    bSynchAddress     0                                                                        
    <endpoint 1>                                                                               
    bLength           7                                                                        
    bDescriptorType   5                                                                        
    bEndpointAddress  0x84 (in 0x04)                                                           
    bmAttributes      2 (bulk)                                                                 
    wMaxPacketSize    512                                                                      
    bInterval         10 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  0x01 (out 0x01)                                                          
    bmAttributes      2 (bulk)                                                                 
    wMaxPacketSize    512                                                                      
    bInterval         10 ms                                                                    
    bRefresh          0                                                                        
    bSynchAddress     0                                                                        
    <endpoint 1>                                                                               
    bLength           7                                                                        
    bDescriptorType   5                                                                        
    bEndpointAddress  0x82 (in 0x02)                                                           
    bmAttributes      2 (bulk)                                                                 
    wMaxPacketSize    512                                                                      
    bInterval         10 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 (bNumEndpoints = 2)                               
    checking for rts8858c ...                                               
    this is not a rts8858c (bcdUSB = 0x200)                                 
    checking for SQ113 ...                                                  
    this is not a SQ113 (bNumEndpoints = 2)                                 
    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 
1.0.20)>

found USB scanner (vendor=0x04e8 [Samsung Electronics Co., Ltd.], 
product=0x342a [CLX-3170 Series]) at libusb:001:004

<device descriptor of 0x05e3/0x0710 at 001:005 (USB Storage)>
bLength               18                                     
bDescriptorType       1                                      
bcdUSB                2.00                                   
bDeviceClass          0                                      
bDeviceSubClass       0                                      
bDeviceProtocol       0                                      
bMaxPacketSize0       64                                     
idVendor              0x05E3                                 
idProduct             0x0710                                 
bcdDevice             145.44                                 
iManufacturer         0 ()                                   
iProduct              1 (USB Storage)                        
iSerialNumber         2 (000000009xxx)                       
bNumConfigurations    1                                      
 <configuration 0>                                           
 bLength              9                                      
 bDescriptorType      2                                      
 wTotalLength         32                                     
 bNumInterfaces       1                                      
 bConfigurationValue  1                                      
 iConfiguration       0 ()                                   
 bmAttributes         128 ()                                 
 MaxPower             500 mA                                 
  <interface 0>                                              
   <altsetting 0>                                            
   bLength            9                                      
   bDescriptorType    4                                      
   bInterfaceNumber   0                                      
   bAlternateSetting  0                                      
   bNumEndpoints      2                                      
   bInterfaceClass    8                                      
   bInterfaceSubClass 6                                      
   bInterfaceProtocol 80                                     
   iInterface         0 ()                                   
    <endpoint 0>                                             
    bLength           7                                      
    bDescriptorType   5                                      
    bEndpointAddress  0x81 (in 0x01)                         
    bmAttributes      2 (bulk)                               
    wMaxPacketSize    512                                    
    bInterval         0 ms                                   
    bRefresh          0                                      
    bSynchAddress     0                                      
    <endpoint 1>                                             
    bLength           7                                      
    bDescriptorType   5                                      
    bEndpointAddress  0x02 (out 0x02)                        
    bmAttributes      2 (bulk)                               
    wMaxPacketSize    512                                    
    bInterval         0 ms                                   
    bRefresh          0                                      
    bSynchAddress     0                                      

<device descriptor of 0x05a9/0x1550 at 001:061 (FW-07.07.25 USB Camera)>
bLength               18                                                
bDescriptorType       1                                                 
bcdUSB                2.00                                              
bDeviceClass          0                                                 
bDeviceSubClass       0                                                 
bDeviceProtocol       0                                                 
bMaxPacketSize0       64                                                
idVendor              0x05A9                                            
idProduct             0x1550                                            
bcdDevice             1.00                                              
iManufacturer         1 (FW-07.07.25)                                   
iProduct              2 (USB Camera)                                    
iSerialNumber         0 ()                                              
bNumConfigurations    1                                                 
 <configuration 0>                                                      
 bLength              9                                                 
 bDescriptorType      2                                                 
 wTotalLength         55                                                
 bNumInterfaces       1                                                 
 bConfigurationValue  1                                                 
 iConfiguration       0 ()                                              
 bmAttributes         128 ()                                            
 MaxPower             500 mA                                            
  <interface 0>                                                         
   <altsetting 0>                                                       
   bLength            9                                                 
   bDescriptorType    4                                                 
   bInterfaceNumber   0                                                 
   bAlternateSetting  0                                                 
   bNumEndpoints      2                                                 
   bInterfaceClass    255                                               
   bInterfaceSubClass 0                                                 
   bInterfaceProtocol 0                                                 
   iInterface         0 ()                                              
    <endpoint 0>                                                        
    bLength           7                                                 
    bDescriptorType   5                                                 
    bEndpointAddress  0x83 (in 0x03)                                    
    bmAttributes      3 (interrupt)                                     
    wMaxPacketSize    4                                                 
    bInterval         10 ms                                             
    bRefresh          0                                                 
    bSynchAddress     0                                                 
    <endpoint 1>                                                        
    bLength           7                                                 
    bDescriptorType   5                                                 
    bEndpointAddress  0x81 (in 0x01)                                    
    bmAttributes      1 (isochronous)                                   
    wMaxPacketSize    0                                                 
    bInterval         1 ms                                              
    bRefresh          0                                                 
    bSynchAddress     0                                                 
   <altsetting 1>                                                       
   bLength            9                                                 
   bDescriptorType    4                                                 
   bInterfaceNumber   0                                                 
   bAlternateSetting  1                                                 
   bNumEndpoints      2                                                 
   bInterfaceClass    255                                               
   bInterfaceSubClass 0                                                 
   bInterfaceProtocol 0                                                 
   iInterface         0 ()                                              
    <endpoint 0>                                                        
    bLength           7                                                 
    bDescriptorType   5                                                 
    bEndpointAddress  0x83 (in 0x03)                                    
    bmAttributes      3 (interrupt)                                     
    wMaxPacketSize    4                                                 
    bInterval         10 ms                                             
    bRefresh          0                                                 
    bSynchAddress     0                                                 
    <endpoint 1>                                                        
    bLength           7                                                 
    bDescriptorType   5                                                 
    bEndpointAddress  0x81 (in 0x01)                                    
    bmAttributes      1 (isochronous)                                   
    wMaxPacketSize    5116                                              
    bInterval         1 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 (bNumEndpoints = 2)                               
    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 
1.0.20)>

found USB scanner (vendor=0x05a9 [FW-07.07.25], product=0x1550 [USB Camera]) 
at libusb:001:061

<device descriptor of 0x1d6b/0x0001 at 002:001 (Linux 2.6.31.12-0.2-desktop 
ohci_hcd OHCI Host Controller)>
bLength               18                                                                                   
bDescriptorType       1                                                                                    
bcdUSB                1.10                                                                                 
bDeviceClass          9                                                                                    
bDeviceSubClass       0                                                                                    
bDeviceProtocol       0                                                                                    
bMaxPacketSize0       64                                                                                   
idVendor              0x1D6B                                                                               
idProduct             0x0001                                                                               
bcdDevice             2.06                                                                                 
iManufacturer         3 (Linux 2.6.31.12-0.2-desktop ohci_hcd)                                             
iProduct              2 (OHCI Host Controller)                                                             
iSerialNumber         1 (0000:00:02.0)                                                                     
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         255 ms                                                                               
    bRefresh          0                                                                                    
    bSynchAddress     0                                                                                    

<device descriptor of 0x045e/0x00ca at 002:002>
bLength               18                       
bDescriptorType       1                        
bcdUSB                2.00                     
bDeviceClass          0                        
bDeviceSubClass       0                        
bDeviceProtocol       0                        
bMaxPacketSize0       64                       
idVendor              0x045E                   
idProduct             0x00CA                   
bcdDevice             1.00                     
iManufacturer         1 ()                     
iProduct              2 ()                     
iSerialNumber         3 ()                     
bNumConfigurations    1                        
 <configuration 0>                             
 bLength              9                        
 bDescriptorType      2                        
 wTotalLength         32                       
 bNumInterfaces       1                        
 bConfigurationValue  1                        
 iConfiguration       0 ()                     
 bmAttributes         128 ()                   
 MaxPower             260 mA                   
  <interface 0>                                
   <altsetting 0>                              
   bLength            9                        
   bDescriptorType    4                        
   bInterfaceNumber   0                        
   bAlternateSetting  0                        
   bNumEndpoints      2                        
   bInterfaceClass    255                      
   bInterfaceSubClass 255                      
   bInterfaceProtocol 255                      
   iInterface         0 ()                     
    <endpoint 0>                               
    bLength           7                        
    bDescriptorType   5                        
    bEndpointAddress  0x81 (in 0x01)           
    bmAttributes      3 (interrupt)            
    wMaxPacketSize    64                       
    bInterval         8 ms                     
    bRefresh          0                        
    bSynchAddress     0                        
    <endpoint 1>                               
    bLength           7                        
    bDescriptorType   5                        
    bEndpointAddress  0x82 (in 0x02)           
    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 (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 (bNumEndpoints = 2)                               
    checking for rts8858c ...                                               
    this is not a rts8858c (bcdUSB = 0x200)                                 
    checking for SQ113 ...                                                  
    this is not a SQ113 (bNumEndpoints = 2)                                 
    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 
1.0.20)>

found USB scanner (vendor=0x045e, product=0x00ca) at libusb:002:002

<device descriptor of 0x0c4b/0x0100 at 002:003>
bLength               18                       
bDescriptorType       1                        
bcdUSB                1.00                     
bDeviceClass          0                        
bDeviceSubClass       0                        
bDeviceProtocol       0                        
bMaxPacketSize0       16                       
idVendor              0x0C4B                   
idProduct             0x0100                   
bcdDevice             1.00                     
iManufacturer         0 ()                     
iProduct              0 ()                     
iSerialNumber         0 ()                     
bNumConfigurations    1                        
 <configuration 0>                             
 bLength              9                        
 bDescriptorType      2                        
 wTotalLength         39                       
 bNumInterfaces       1                        
 bConfigurationValue  1                        
 iConfiguration       0 ()                     
 bmAttributes         160 (Remote Wakeup)      
 MaxPower             96 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    16                       
    bInterval         5 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

<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 = 0x100)
    checking for GT-8911 ...
    this is not a GT-8911 (check 2, bcdUSB = 0x100)
    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 = 0x10, bInterval = 0x5)
    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 (bEndpointAddress = 0x81, bmAttributes = 0x3, 
wMaxPacketSize = 0x10, bInterval = 0x5)
    checking for M011 ...
    this is not a M011 (bDeviceClass = 0)
    checking for RTS8822 ...
    this is not a RTS8822 (bcdUSB = 0x100)
    checking for rts8858c ...
    this is not a rts8858c (bcdUSB = 0x100)
    checking for SQ113 ...
    this is not a SQ113 (bcdUSB = 0x100)
    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 = 0x100)
<Couldn't determine the type of the USB chip (result from sane-backends 
1.0.20)>

found USB scanner (vendor=0x0c4b, product=0x0100) at libusb:002:003
  # 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.
done

best regards
B. Ferdinand
-------------------------
It is prohibited to publish my email address.
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