usb_os_find_devices: Found /dev/ugen0 on /dev/usb3
usb_control_msg: 128 6 512 0 0x7fffffffdea0 8 1000
usb_control_msg: 128 6 512 0 0x800d80100 124 1000
usb_control_msg: 128 6 770 1033 0x7fffffffde10 255 5000
usb_control_msg: 128 6 771 1033 0x7fffffffde10 255 5000
USB error: error sending control message: Input/output error
error: Unable to communicate with device (code=12): hp:/usb/Photosmart_C4200_series?serial=0