Ubuntu – Ubuntu 20.04 Network printer works but scanner not detected

20.04printingsamsungscanner

Samsung SCX-3405W Laster Multifunction Printer On Ubuntu 20.04.
The printer works but scanner is not detected by Document Scanner (simple-scan).

Best Answer

I am answering my own question (which is similar to this question)

In order to make your Samsung SCX-3405W network printer print and scan, follow these steps:

;tldr

Install the Linux driver from hp.com and add tcp <printer ip> <port> to xerox_mfp.conf

FIND & DOWNLOAD THE LINUX DRIVER FOR SCX-3405W

visit https://support.hp.com/gb-en/drivers/printers
look for SCX-3405W
change OS to Linux and Ubuntu
download the basic drivers
the filename should be something like uld_V1.00.39_01.17.tar.gz

UNPACK & INSTALL THE DRIVERS

tar -zxvf uld_V1.00.39_01.17.tar.gz
cd uld
sudo ./install.sh

ADD THE PRINTER AT THE CUPS ADMIN PAGE

go to http://localhost:631/admin
click Add Printer
Under the Discovered Network Pritners there should be multiple options for the Samsung SCX-3400 Series. Choose one and click Continue.
If the Connection starts with ipp:// you have chosen the correct one. In case it does not, go back in your browser and choose another until you find the one with ipp connection. Adjust the name, location, etc. and then click continue.
In the next step review the config and click Add printer
The printer should now be available in the Settings>Printers

PRINTING TEST PAGE

Go to Settings > Printers
Click the gear icon next to the printer
Click Printing options, set what you want and click Test page in the upper left corner. It should print a page.

CHECK IF SCANNER WORKS

Open Document Scanner and see if it finds your scanner.

IF SCANNER IS NOT DETECTED

Find the IP of your printer in the Settings > Printers > Your printer > Gear icon > Printer details
Edit this config sudo nano /etc/sane.d/xerox_mfp.conf and add the following lines (I found this tip here: http://www.sane-project.org/man/sane-xerox_mfp.5.html):
```
# Samsung SCX-3405W, network mode
# tcp HOST_ADDR PORT
tcp <ip.of.your.printer> 9400
```
Log out & Log in (not sure if this is necessary)
The scanner should now be detected.

Even after all this, the simple-scan seems to be very slow in scanning. Much slower than on to what I was used to on Ubuntu 16.04. Will investigate.

Not Supported

Having checked the stable version of the SANE libraries that is included in Ubuntu from the sane-project website, the scanner in question is not yet supported.

To double check this you'll need your USB identifier that you can obtain using lsusb.

The SCX range of scanners use the sane-xerox_mfp back-end.

Checking the unstable version (the version you will need to compile from GIT source) again your scanner is not supported.

Possible solution

Possibly you can add your model if it is similar to one of the listed models in the above links. This involves adding the USB ID to /etc/sane.d/xerox_mfp.conf together with similar information to the SANE rules in /lib/udev/rules.d/40-libsane.rules

Obviously change the values to match your scanner.

To give you an example add the following text to /etc/sane.d/xerox_mfp.conf:

#Samsung CLX-3185FW
usb 0x04e8 0x343d

and /lib/udev/rules.d/40-libsane.rules by adding

# Samsung CLX-3185FW
ATTRS{idVendor}=="04e8", ATTRS{idProduct}=="343d", ENV{libsane_matched}="yes"

Make sure you install the following package:

sudo apt-get install acl

_source

If the above does not work, try also adding your user account to groups lp and scanner by:

sudo usermod -a -G lp [username]
sudo usermod -a -G scanner [username]

Ubuntu – Scanner of Samsung SCX-4200 does not work on ubuntu 12.10

This is a kind of an old question, but I had similar issues in Ubuntu 18.04.

The problem in my case was USB3. After putting the cable to an USB2 input, it worked all fine.

This has been discussed here (in french language): https://forum.ubuntu-fr.org/viewtopic.php?id=2023391