Henning Meier-Geinitz wrote: > You can also set SANE_DEBUG_SANEI_USB=255 to see why the command fails > exactly. > Here is the output:
[sanei_usb] sanei_usb_open: trying to open device `libusb:004:004' [sanei_usb] sanei_usb_open: configuration nr: 0 [sanei_usb] sanei_usb_open: interface nr: 0 [sanei_usb] sanei_usb_open: alt_setting nr: 0 [sanei_usb] sanei_usb_open: endpoint nr: 0 [sanei_usb] sanei_usb_open: direction: 128 [sanei_usb] sanei_usb_open: address: 1 transfertype: 2 [sanei_usb] sanei_usb_open: found bulk-in endpoint (address 0x01) [sanei_usb] sanei_usb_open: we already have a bulk-in endpoint (address: 0x81), ignoring the new one [sanei_usb] sanei_usb_open: endpoint nr: 1 [sanei_usb] sanei_usb_open: direction: 0 [sanei_usb] sanei_usb_open: address: 2 transfertype: 2 [sanei_usb] sanei_usb_open: found bulk-out endpoint (address 0x02) [sanei_usb] sanei_usb_open: we already have a bulk-out endpoint (address: 0x02), ignoring the new one [sanei_usb] sanei_usb_open: endpoint nr: 2 [sanei_usb] sanei_usb_open: direction: 128 [sanei_usb] sanei_usb_open: address: 3 transfertype: 3 [sanei_usb] sanei_usb_open: found interrupt-in endpoint (address 0x03) [sanei_usb] sanei_usb_open: we already have a int-in endpoint (address: 0x83), i gnoring the new one [sanei_usb] sanei_usb_open: opened usb device `libusb:004:004' (*dn=0) [sanei_usb] sanei_usb_control_msg: rtype = 0x40, req = 12, value = 135, index = 0, len = 1 [sanei_usb] 0000: 04 .............. .. USB error: error sending control message: Connection timed out [sanei_usb] sanei_usb_control_msg: libusb complained: error sending control message: Connection timed out scanimage: open of device genesys:libusb:004:004 failed: Invalid argument > This is really a "Genius ColorPage-Slim 1200 USB2"? Have you checked > the vendor/product ids? yes, I did, and it is that product.