Connecting the Samsung SCX-3405W MFP to Wi-Fi: A Complete Guide with Details

Wireless connection of a multifunctional device Samsung SCX-3405W Connecting to a Wi-Fi network opens up the possibility of printing, scanning, and copying without the hassle of wires. However, many users encounter difficulties: the printer doesn't find the network, the connection drops, or the device simply isn't visible on the computer. In this article, we'll look at all stages of setup — from preparing the router to the first print, and we'll also look at common errors and how to fix them.

Model SCX-3405W supports wireless communication standards 802.11b/g/n on frequency 2.4 GHz, which is important to consider when choosing a network. If your router only operates within the range 5 GHz, connection will be impossible—you'll need to change your router settings or use an adapter. The device also doesn't support modern security protocols. WPA3, so in some cases you will have to temporarily switch to WPA2-PSK.

Before you begin, make sure you have the following on hand:

  • 📄 Instructions for Samsung SCX-3405W (if saved) - useful for resetting settings.
  • 🔌 Network cable (in case of emergency setup via USB or Ethernet).
  • 📱 A smartphone or computer to check the connection.
  • 🔑 Your Wi-Fi network password (if you forgot it, look at the sticker on your router).

1. Preparing the router: checking compatibility and settings

The first step is to make sure your router supports the connection. SCX-3405WThe device only operates within the range 2.4 GHz and does not support 5 GHzIf your router broadcasts two networks (for example, MyWiFi_2G And MyWiFi_5G), choose the first one.

Also check network security type:

  • ✅ Supported: WPA2-PSK (AES), WPA-PSK, WEP (not recommended).
  • ❌ Not supported: WPA3, Enterprise-modes (for example, 802.1X).

To change router settings:

  1. Open your browser and enter the address 192.168.0.1 or 192.168.1.1 (check the router sticker).
  2. Log in (the default login and password are often admin/admin).
  3. Find the section Wireless network (Wi-Fi) or Wireless Settings.
  4. Make sure that:
    • 🔘 Mode enabled 2.4 GHz.
    • 🔘 Channel width (Channel Width) is installed on 20 MHz (auto mode may not work).
    • 🔘 In the field SSID no Cyrillic characters or spaces (it is better to use Latin).
📊 What type of security does your Wi-Fi network use?
WPA2-PSK
WPA3
WEP
Don't know
Another

2. Connecting the MFP to Wi-Fi via the control panel

The most reliable way to set up Samsung SCX-3405W — use the built-in menu. To do this:

  1. Turn on the printer with the button Power (front left).
  2. Click the button Wi-Fi (antenna icon) and hold it 5-7 secondsuntil the wireless network indicator starts flashing.
  3. A menu will appear on the display. Use the buttons ↑/↓ select an item Wi-Fi Setup (or Wireless Setup) and press OK.
  4. Select Infrastructure (connection mode to the router), then WPS or Manual Setup:
    • 🔄 WPS: if your router supports WPS, press the button WPS on the router for 2 minutes. The printer will connect automatically.
    • ⚙️ Manual Setup: Select your network from the list, enter the password (case sensitive!) and confirm.

Make sure the printer is turned on|Check that the Wi-Fi indicator is blinking|Select the correct SSID (network name)|Enter the password without errors|Confirm the settings by pressing the OK button-->

If the printer does not find your network:

  • 📶 Check that the router is not hiding SSID (it should be in the settings Broadcast SSID: Enabled).
  • 🔄 Restart your router and printer.
  • 📡 Reduce the distance between the devices (the maximum for a stable connection is 10 meters without obstacles).
What should I do if my printer asks for an IP address manually?

If after selecting a network you are prompted to enter IP, Gateway or DNS, turn on the router mode DHCP (automatic address assignment). To do this, find the section in the router settings LAN or DHCP Server and make sure the feature is enabled. If the problem persists, try entering the data manually:

  • IP address: 192.168.1.100 (the last digit must be unique within your network).
  • Gateway: 192.168.1.1 (router address).
  • Subnet mask: 255.255.255.0.
  • DNS: 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare).

3. Installing drivers on your computer

After connecting the printer to Wi-Fi, you need to install the drivers on PC or laptop, so that the device appears in the list of available devices. You can download the official software from the website Samsung:

  1. Go to the support page Samsung Support (enter model) SCX-3405W in search).
  2. In the section Downloads select:
    • 🖥️ Printer driver (for your OS: Windows 10/11, macOS or Linux).
    • 📱 utility Samsung Easy Printer Manager (to control the device).
  • Run the installer and follow the instructions. When selecting the connection type, specify Wireless network (Wi-Fi).
  • If the printer is not detected:

    • 🔄 Restart your computer and printer.
    • 🔌 Connect the printer via USB during the driver installation, then disconnect the cable.
    • 🛡️ Temporarily disable your firewall or antivirus (they may be blocking the installation).

    4. Setting up printing from mobile devices

    To print from Android or iOS, use the official app Samsung Mobile Print or built-in functions of the operating system.

    For Android:

    1. Download Samsung Mobile Print from Google Play.
    2. Open the app and tap Add a printer.
    3. Select SCX-3405W from the list of detected devices.
    4. Upload the document to print and adjust the settings (number of copies, orientation, etc.).

    For iPhone/iPad:

    1. Connect your device to the same Wi-Fi network as your printer.
    2. Open the document (for example, in Photo, Files or Safari).
    3. Click ShareSeal.
    4. Select Samsung SCX-3405W from the list of printers.

    5. Diagnosing connection problems

    If Samsung SCX-3405W If your Wi-Fi connection is not working or keeps dropping out, check the following:

    Problem Possible cause Solution
    The printer does not find the network Hidden SSID or invalid range (5 GHz) Turn on the broadcast SSID in the router settings or switch to 2.4 GHz
    Authentication error Incorrect password or security type (WPA3) Check your password, disable it temporarily WPA3 or use WPA2-PSK
    Printing is slow or stops Weak Wi-Fi signal or interference from other devices Move the printer closer to the router or change the channel in the router settings.
    The printer is connected but does not print. Drivers not installed or IP address conflict Reinstall the drivers or assign a static printer to the printer. IP in the router

    If nothing helps, do reset printer settings:

    1. Turn off the printer.
    2. Press the buttons Cancel (cancellation) and Wi-Fi simultaneously.
    3. Turn on the printer without releasing the button for 10-15 seconds.
    4. Release the buttons when the message appears on the display. Reset Network.
    How to print a network diagnostic report?

    Press and hold the button Stop/Cancel (❌) for 3 seconds. The printer will print a sheet with information about the current connection, including IP address, MAC address and Wi-Fi status. This information will be useful for manual setup or contacting support.

    6. Optimizing Wi-Fi Performance: Tips for Stability

    To avoid connection problems in the future, follow these guidelines:

    • 📶 Place the printer at a distance no more than 5 meters away from the router, avoiding thick walls or metal obstacles.
    • 🔄 Update your printer firmware regularly via Samsung Easy Printer Manager (chapter Software update).
    • 🔌 Use static IP address for the printer in the router settings (section DHCP Reservation) to avoid conflicts.
    • 🛡️ Turn off the feature Energy saving in the printer settings (Eco mode may break the connection).

    Important: printer Samsung SCX-3405W does not support modern Wi-Fi 6 (802.11ax) and mesh networking standards. If your router uses these technologies, create a separate network. 2.4 GHz specially for the printer.

    7. Alternative connection methods

    If Wi-Fi setup fails, consider alternative options:

    • 🖥️ USB connection: Temporarily connect the printer to the computer with a cable and use the mode General access in Windows (Control Panel → Devices and Printers → Printer Properties → Access).
    • 🌐 Ethernet: if the printer has a port LAN, connect it directly to the router with a network cable.
    • 📱 Mobile Hotspot: create a hotspot on your smartphone (only 2.4 GHz) and connect a printer to it for one-time printing.

    For office networks with domain or Active Directory manual configuration may be required IP-addresses and DNSIn this case:

    1. Print it out Network report (as described above).
    2. On your computer, add the printer manually via IP address:
      • In Windows: Control Panel → Devices and Printers → Add a printer → Add a local printer → Create a new port → Standard TCP/IP Port.
      • Enter IP printer and select the driver Samsung SCX-3405W.

    FAQ: Frequently asked questions about connection Samsung SCX-3405W

    Is it possible to connect a printer to Wi-Fi without a computer?

    Yes, you can set up the connection directly from the printer control panel as described in Section 2You don't need a PC for this—just access to the router to check the settings.

    The printer is connected to Wi-Fi, but the computer can't see it. What should I do?

    Check:

    1. Are the drivers installed (download from official website).
    2. Are the computer and printer on the same network (print Network report and compare IP addresses).
    3. Is your firewall blocking access to the printer (temporarily disable it).
    Does the SCX-3405W support cloud printing (Google Cloud Print, AirPrint)?

    No, model SCX-3405W does not support Google Cloud Print or Apple AirPrintTo print from mobile devices, use the app. Samsung Mobile Print or send documents by email using the function Scan to Email (if configured).

    How do I reset my printer's Wi-Fi settings?

    Perform a hard reset:

    1. Turn off the printer.
    2. Press the buttons Cancel And Wi-Fi.
    3. Turn on the printer by holding down the buttons 10-15 seconds.
    4. After rebooting, network settings will be reset.
    5. You can also reset the settings via the menu: Settings → Network → Network Reset.

    Is it possible to connect the printer to a public Wi-Fi network (in a cafe, office)?

    Technically yes, but:

    • 🔒 The network must use WPA2-PSK (many public networks operate through an authorization portal, which is not supported by the printer).
    • 📡 Connection speed and stability may be low.
    • 🛡️ To print, your laptop/smartphone will also need to be connected to this network.
    • In most cases it is easier to use USB or Mobile Hotspot.