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I have an M2020 printer, I already installed in one Ubuntu machine (using uld drivers more like this post),but when I tried to connect through an USB and try to install it on a laptop it doesn't recognize the printer so I can't add it in an easy way. I already configured the wifi long ago but it failed here at the University so I can't access the printer via hitting WPS button or something like that. Now I have another network available so I could try to change the network, password, and other details so I can connect to it via wifi. I can't use the Windows or Mac tools provided by Samsung.

How can I configure the network again if I only can connect it via USB? I have printed the 2 pages after hitting WPS for 10 seconds. Using Ubuntu Gnome 16.04

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Andrés Parada
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  • A standalone networked printer configuration is independent from the OSes where it will used. It's really not clear what you're asking nor what you want to do. –  Sep 23 '16 at 19:06
  • I need to put another network so I can connect to it again. I edited the question. I can't use the Window tools to connect to it. – Andrés Parada Sep 23 '16 at 19:10
  • First of all you cannot add network devices to a corporate or institutional network without proper authorization of the system and network admins. Regarding configuration I doubt that any manufacturer makes a WiFi enabled printer that must be configured using a Windows software. Please read: http://downloadcenter.samsung.com/content/UM/201601/20160105120755203/EN/English/English/manual/BABBHHBB.htm?isTocLink=fixed –  Sep 23 '16 at 19:23

1 Answers1

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It is possible to reset the Wi-Fi settings of your M2020 printer using Samsung's PSU ("Printer Settings Utility").

Highly inspired from this post, I've ended up moving the required files in the same folder and adding my user to the lp group.

Download utilities

Fetch the utilities directly from here and extract the archive somewhere.

wget http://downloadcenter.samsung.com/content/DR/201110/20111019151150392/PSU_1.01.tar.gz
tar xzf PSU_1.01.tar.gz

Preparing wirelesssetup

The following shared libraries are needed for the tool to work. Copy or extract the files into the same folder where wirelesssetup is placed.

I'm running an x64 machine but a similar procedure can be followed for older machines.

  • libnetsnmp.so.10 copy from PSU_1.01/cdroot/Linux/psu/share/lib64/libnetsnmp.so.10.0.2
  • libqt-mt.so.3 copy from PSU_1.01/cdroot/Linux/psu/share/lib64/libqt-mt.so.3.0.5
  • libstdc++.so.5 extract from PSU_1.01/cdroot/Linux/psu/share/libstdc++-5-x86_64.tar.gz | /usr/lib64/libstdc++.so.5.0.7

Eventually, you should end up with this folder structure:

PSU_1.01/cdroot/Linux/wirelesssetup/bin64
├── libnetsnmp.so.10
├── libqt-mt.so.3
├── libstdc++.so.5
└── wirelesssetup

Add user to lp group

In order for the tool to communicate with the printer, your user must be part of the lp group. Check if your user is in the group with:

id -Gn
> lp adm tty dialout cdrom sudo ...

To add your user to the lp group, use the following commands:

sudo usermod -a -G lp username
newgrp lp

Run wirelesssetup

Make sure that your printer is connected to a USB port. Then list the available devices with:

ls /dev/usb/lp*

To start the GUI tool, run the following command:

LD_LIBRARY_PATH=./:$LD_LIBRARY_PATH ./wirelesssetup /dev/usb/lp0

If everything went right the tool should start printing several lines in the console and a GUI should pop up.

IOClientUsbEp0::init()
IODeviceLocker::IODeviceLocker(0x7ffcf08e6620,43)
    m_isValid=1
    devID[120]: <MFG:Samsung;CMD:SPL,URF,FWV,PIC,EXT,DCU;MDL:M2020 Series;CLS:PRINTER;CID:SA_SPLV3_BW;MODE:SPL3,R000105,SCP;STATUS:BUSY;>
IOClientUsbEp0::findUsbDevice(0x7ffcf08e6620)
IOClientUsbEp0::get_usb_bus_address: m_usblp: name=</dev/usb/lp0>
IODeviceLocker::IODeviceLocker(0x7ffcf08e6620,43)
    m_isValid=1
INFO: usb_control_msg(,0xc1,0xe0,0x0100,0x0000,0x1428f80,255,5000)
I/O: ep0: HOST>FW: c1 e0 0100 0000 00ff [0 bytes of data]
I/O: ep0: HOST<FW: 404D00000000000C000C402C0000502C...[255 bytes of data]
    extDevID[255]: <CMD:PV3,ALL,WSP,CMP,IDS,EPMWSP,WPS,WFD,WWS,NFC1,GCP,AMPV,RDS,APO,WIN8,OTG,SBYOFF,CI_19,URL;>
...

wirelesssetup GUI

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