printing but not scanning Brother DCP-J4120DW

Hello,

I am a new Linux user and would like some advice. I recently installed Zorin OS Ultimate on a Samsung R519 laptop. My system details are:

memory: 3.8 GiB
processor: Pentium (R) Dual-Core CPU T4400 @ 2.20GHz x 2
graphics: Mobile Intel GM45 Express Chipset
system: Zorin OS 12.1 64-bit
disk: 153.2 GB

My printer model is Brother DCP-J4120DW. I have installed the printer and am able to print the test page and things from the internet. However, when I try to scan a document, the printer states:

No PC is found on the network. Check if your PC and this machine are connected to the same network.


I have been unable to work the scanner, even after using the following command:
gksudo simple-scan

I still receive an error message:

No scanners detected
Please check your scanner is connected and powered on

and no scanner settings are visible in printer properties even when I use the system-config-printer command.

Here is the output of the following Terminal command: sane-find-scanner

sam@Samsung-R519:~$ sane-find-scanner

# 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.

# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.

could not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 008:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 007:001: Access denied (insufficient permissions)
could not open USB device 0x045e/0x00cb at 006:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 006:001: Access denied (insufficient permissions)
could not open USB device 0x0ac8/0xc33e at 001:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 001:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 005:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 004:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 003:001: Access denied (insufficient permissions)
# No USB scanners found. If you expected something different, make sure that
# you have loaded a kernel driver for your USB host controller and have setup
# the USB system correctly. See man sane-usb for details.

# Not checking for parallel port scanners.

# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.

# You may want to run this program as root to find all devices. Once you
# found the scanner devices, be sure to adjust access permissions as
# necessary.




and the following output the second time (I typed sudo in front of command):

sam@Samsung-R519:~$ sudo sane-find-scanner
[sudo] password for sam:

# 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.

# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.

could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
# No USB scanners found. If you expected something different, make sure that
# you have loaded a kernel driver for your USB host controller and have setup
# the USB system correctly. See man sane-usb for details.

# Not checking for parallel port scanners.

# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.

Advice in resolving the issue would be much appreciated.

Thanks,
sixpence-ntr

All the drivers you need are here:

http://support.brother.com/g/b/download ... _as&os=128

Thanks. It is in fact, the link I already used to download the drivers, but scanner remains undetected.

S

OK. Open a terminal an enter the name of the scanner driver; it's what I had to do to get the Canon all-in-one to scan and add to favourites after launch.