Download drivers from Brother website both for printer and scanner and my model is DCP-L2540DW http://support.brother.com/g/b/downloadtop.aspx?c=sg&lang=en&prod=dcpl2540dw_us_as Choose Linux and deb to download. After downloading its very likely the file is found in Download file . Open terminal and type
thomas@thomas-H81MHV3 ~ $ cd Downloads thomas@thomas-H81MHV3 ~/Downloads $ sudo dpkg -i dcpl2540dwlpr-3.2.0-1.i386.deb [sudo] password for thomas: (Type in your own password ) thomas@thomas-H81MHV3 ~/Downloads $ scanimage -L device `brother4:bus2;dev4' is a Brother DCP-L2540DW USB scanner thomas@thomas-H81MHV3 ~/Downloads $ sudo dpkg -i brscan4-0.4.3-3.amd64.deb thomas@thomas-H81MHV3 ~/Downloads $ scanimage -L device `brother4:bus2;dev4' is a Brother DCP-L2540DW USB scanner thomas@thomas-H81MHV3 ~/Downloads $ scanimage --test scanimage: open of device brother4:bus2;dev4 failed: Invalid argument thomas@thomas-H81MHV3 ~ $ lsusb Bus 002 Device 002: ID 8087:8000 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:8008 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 005: ID 0b05:1786 ASUSTek Computer, Inc. USB-N10 802.11n Network Adapter [Realtek RTL8188SU] Bus 003 Device 004: ID 04f9:0328 Brother Industries, Ltd Bus 003 Device 009: ID 046d:c31c Logitech, Inc. Keyboard K120 Bus 003 Device 008: ID 04d9:1135 Holtek Semiconductor, Inc. Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub (The bus is 003 and Device is 004 for my brother printer you need to change to yours accordingly) thomas@thomas-H81MHV3 ~ $ sudo chmod a+w /dev/bus/usb/003/004 [sudo] password for thomas: thomas@thomas-H81MHV3 ~ $ scanimage -L device `brother4:bus2;dev4' is a Brother DCP-L2540DW USB scanner -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/913938 Title: Detected scanner fails to open device, "Invalid Argument" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/913938/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
