[sane-devel] Does the Canon Lide 80 work?

[Pierre Willenbrock]

Hi Aaron,

goland55 at aol.com schrieb:
> After patching the backend and a recompile I get the following when
> attempting a 'scanimage > image.pnm' :
> 
> 
[more log]
> [sanei_usb] sanei_usb_control_msg: rtype = 0x40, req = 4, value = 131,
> index =, len = 2
> [sanei_usb] 0000: 06 18                                          
> ...............
> [genesys_gl841] reg[0x06] = 0x18
> [sanei_usb] sanei_usb_control_msg: rtype = 0x40, req = 4, value = 131,
> index =, len = 2
> [sanei_usb] 0000: 07 00                                          
> ...............
> USB error: error sending control message: No such device
> [sanei_usb] sanei_usb_control_msg: libusb complained: error sending
> control mesage: No such device
> [genesys_gl841] gl841_bulk_write_register: failed while writing command:
> Invali argument
> scanimage: open of device genesys:libusb:001:023 failed: Invalid argument
> [genesys] sane_exit: start
> [genesys] sane_exit: exit
> 
> 
> Any suggestions?
> 

Looks like we need an usb log from windows. Register 6 cannot be the
problem(its just state), so i guess the write to register 7 leads to an
immediate reset.

Regards,
  Pierre