# 1-866-203-7571 Brother MFC 9340CDW Connect to WiFi

**Brother Printer Support at 1-866-203-7571**

Setting up your Brother MFC 9340CDW printer on a wireless network is essential if you want to print from multiple devices without the hassle of cables. Whether you’re using Windows, Mac, iPhone, Android, Chromebook, or a WiFi router, this guide covers everything in detail.

If you're struggling with wireless setup issues, poor connectivity, or repeated “Connection Failed” errors, this 3000-word guide will walk you step-by-step through the process and fix the problem permanently.

If at any point you want expert help, you can also contact **Brother Printer Support at 1-866-203-7571**.

**Brother Printer Support at 1-866-203-7571**

# **1. Introduction – Why WiFi Setup Matters on Brother MFC 9340CDW**

The Brother MFC 9340CDW is an efficient all-in-one color laser printer with advanced features:

* Wireless printing
* Duplex printing
* Mobile printing (AirPrint / Mopria / WiFi Direct)
* Scanning, copying, and faxing
* Cloud and network printing

But to use these features properly, your printer must be connected to a stable WiFi network. Many users face issues while connecting it, such as:

* Wrong WiFi password
* Unsupported router settings
* Printer not detected on network
* IP address conflicts
* Firmware glitches
* WPS button failures
* Incorrect network type (2.4 GHz vs 5 GHz)

This guide provides a complete solution.

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# **2. Requirements Before Connecting Brother MFC 9340CDW to WiFi**

Before starting, make sure you have the following:

### ✔ **Correct WiFi Network Name (SSID)**

The printer needs the exact network name as shown on your router.

### ✔ **Correct WiFi Password**

Case-sensitive. Verify you are entering the correct password.

### ✔ **2.4 GHz WiFi Band**

The Brother MFC 9340CDW does *not* support 5 GHz WiFi.

### ✔ **Router must support WPA/WPA2 security**

The printer does not work with outdated or enterprise networks.

### ✔ **Wireless signal range**

Ensure the printer is within 20–25 feet of your router.

### ✔ **Printer firmware updated**

Outdated firmware often causes WiFi failures.

If you're unsure, call **1-866-203-7571** for remote help.

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# **3. How to Connect Brother MFC 9340CDW to WiFi (Main Setup Steps)**

Here are the official and most reliable steps to connect your Brother MFC 9340CDW to a WiFi network.

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## **Step 1: Turn ON the Printer**

* Ensure the printer has paper and is plugged in.
* Wait until the machine is fully ready.

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## **Step 2: Go to Network Settings on the Printer**

1. On the printer’s touchscreen, tap **Menu**.
2. Select **Network**.
3. Choose **WLAN**.
4. Tap **Setup Wizard**.

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## **Step 3: Enable Wireless on Your Printer**

* The printer will ask:
**“WLAN Enable?”**
* Tap **Yes**.

This activates the wireless adapter.

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## **Step 4: Select Your WiFi Network**

* The printer will scan for networks.
* A list of available WiFi networks will appear.
* Select your **WiFi SSID**.

If your WiFi name doesn’t appear:

✔ Move the printer closer to the router
✔ Restart router
✔ Check SSID broadcast is ON
✔ Reduce WiFi interference

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## **Step 5: Enter WiFi Password**

* Enter your WiFi password using the touchscreen keys.
* Tap **OK** to confirm.

⚠ Make sure you type the password correctly.
WiFi credentials are case-sensitive.

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## **Step 6: Wait for “Connected” Message**

If everything is correct, you’ll see:

**“Connected”**
OR
**“Connection OK”**

Your printer is now connected successfully.

If you see **Connection Failed**, don’t worry — the troubleshooting section below covers this in detail.

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## **Step 7: Print the Network Report (Optional But Recommended)**

Go to:

**Menu → Print Reports → Network Configuration**

Check:

* Connection Status: **OK**
* IP Address: Valid (e.g., 192.168.x.x)
* Wireless ON: Yes

If the IP shows **0.0.0.0**, the printer is not connected.

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# **4. Alternative Methods to Connect Brother MFC 9340CDW to WiFi**

Besides the main Setup Wizard method, there are two additional ways to connect your printer.

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## **Method 1: WPS Push Button WiFi Setup**

If your router has a WPS button, follow this:

### **Step A: Enable WPS on Printer**

1. Menu
2. Network
3. WLAN
4. WPS/AOSS
5. Choose **WPS**

### **Step B: Press the WPS Button on Router**

* Press and hold the **WPS** button (usually 3–5 seconds).
* The printer and router will connect automatically.

⚠ Note
Not all routers support WPS.
Many ISPs disable WPS for security.

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## **Method 2: WiFi Direct Connection (No Router Needed)**

Use this to print directly from phone/laptop.

1. Go to **Menu → Network → WiFi Direct**
2. Turn ON WiFi Direct
3. Your printer creates a temporary wireless hotspot
4. Connect your device to SSID **DIRECT-xxxx**
5. Enter the password shown on printer screen

This is helpful when:

* Router is down
* Traveling with printer
* Printing from mobile devices quickly

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# **5. Connect Brother MFC 9340CDW to WiFi on Windows PC**

Once the printer is connected to WiFi, install drivers on Windows.

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## **Step A: Download Drivers**

Go to Brother support website → Search MFC 9340CDW → Download **Full Driver & Software Package**.

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## **Step B: Run Installer**

During installation:

✔ Choose **Wireless Network Connection**
✔ The installer will search for your printer
✔ Select your printer’s name from the list
✔ Complete installation

If the printer is not detected:

* Ensure PC is connected to the same WiFi network
* Disable VPN temporarily
* Turn OFF Windows firewall (temporary check)
* Restart both devices

You may call **1-866-203-7571** for setup support.

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# **6. Connect Brother MFC 9340CDW to WiFi on Mac (macOS)**

### **Step 1: Click Apple Menu → System Preferences**

### **Step 2: Select Printers & Scanners**

### **Step 3: Click “+” Add Printer**

### **Step 4: Select Brother MFC-9340CDW**

### **Step 5: Choose “AirPrint” or “Brother Software”**

AirPrint is recommended for simplicity.

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# **7. Connect Brother MFC 9340CDW to WiFi on Mobile Devices**

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## **iPhone / iPad (AirPrint)**

1. Connect iPhone → Same WiFi as printer
2. Open the file/photo
3. Tap **Share → Print**
4. Choose Brother 9340CDW
5. Print

No app needed.

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## **Android Smartphone**

1. Install **Brother iPrint&Scan** app
2. Connect phone to same WiFi
3. App auto-detects printer
4. Select printer → Start printing/scanning

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# **8. Common WiFi Problems and Their Solutions**

Below are the most common issues users face with Brother MFC 9340CDW WiFi setup and how to fix them.

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## **Problem 1: Printer Not Detecting WiFi Network**

### **Fixes:**

✔ Restart router
✔ Move printer closer
✔ Check SSID broadcasting
✔ Switch WiFi to **2.4 GHz**
✔ Avoid channels 12/13 (unsupported in some regions)
✔ Reset network settings

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## **Problem 2: “Wrong Password” Error**

### **Fixes:**

* Re-enter password carefully
* Ensure uppercase/lowercase is correct
* Remove special symbols from WiFi password
* Change password from router admin page

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## **Problem 3: WiFi Connection Failed**

### **Fixes:**

✔ Reboot printer
✔ Restart router
✔ Change router channel
✔ Disable MAC filtering
✔ Ensure DHCP is ON
✔ Check firewall settings
✔ Update printer firmware

If the issue continues, call **1-866-203-7571**.

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## **Problem 4: Printer Disconnects Frequently**

### **Fixes:**

✔ Assign a static IP
✔ Move printer away from microwave/cordless phones
✔ Update router firmware
✔ Disable WiFi power-saving mode
✔ Enable 20 MHz channel bandwidth

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## **Problem 5: Printer Connected but Not Printing**

### **Fixes:**

✔ Reinstall Brother drivers
✔ Set Brother MFC 9340CDW as default printer
✔ Clear print queue
✔ Check for IP mismatch
✔ Disable VPN or proxy
✔ Reset print spooler service (Windows)

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# **9. Reset Network Settings on Brother MFC 9340CDW**

If you want to restart the WiFi setup:

1. Menu
2. Network
3. Network Reset
4. Confirm Reset (Yes)

The printer will restart and clear all WiFi information.

You must reconnect it to WiFi again after reset.

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# **10. How to Update Brother MFC 9340CDW Firmware**

Outdated firmware causes WiFi problems, scanning issues, and disconnections.

### **Update Steps:**

1. Go to Brother Support website
2. Search “MFC-9340CDW”
3. Download Firmware Update Tool
4. Connect printer (USB or Network)
5. Run update tool
6. Restart printer

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# **11. Advanced Router Settings for Best WiFi Performance**

If your router settings are incorrect, the printer may fail to connect.

Use these recommended settings:

### ✔ WiFi Frequency: **2.4 GHz only**

### ✔ Channel: **1, 6, or 11**

### ✔ Security: **WPA2-PSK (AES)**

### ✔ DHCP: ON

### ✔ SSID Broadcast: ON

### ✔ MAC Filtering: OFF

### ✔ WiFi Mode: **802.11 b/g/n mixed**

### ✔ Disable AP Isolation

These settings ensure stable performance.

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# **12. When to Use Ethernet Instead of WiFi**

WiFi is convenient, but Ethernet is more stable.
Use Ethernet if:

* You print professionally
* Multiple users print daily
* Router and printer are close
* WiFi interference is high

The printer will work on the same network and allow wireless printing even if connected via LAN cable.

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# **13. Brother MFC 9340CDW WiFi Setup for Office Environments**

If you’re using this printer in an office with multiple users:

✔ Assign static IP
✔ Use a dedicated printer VLAN
✔ Disable guest network restrictions
✔ Set print permissions for users
✔ Enable SNMP monitoring for IT

For professional setup, contact **1-866-203-7571**.

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# **14. WiFi Setup Using Brother Mobile Connect App (New)**

Brother has introduced a modern app for easier setup.

### Steps:

1. Download **Brother Mobile Connect**
2. Choose **Set Up a New Machine**
3. Scan QR code on the printer
4. Connect printer to WiFi
5. Configure settings through phone

This works well if PC drivers fail.

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# **15. Why Your Brother MFC 9340CDW Won’t Connect to WiFi (Detailed Causes)**

Here are all underlying causes explained:

### • Wrong password

### • Weak WiFi signal

### • 5 GHz network

### • Router too far

### • IP conflict

### • Router overloaded

### • Firmware outdated

### • MAC filtering enabled

### • Too many connected devices

### • Printer memory issues

### • Network isolation

### • ISP modem/router restrictions

### • WPS disabled

### • DHCP blocked

Each issue is solvable using this guide.

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# **16. Brother MFC 9340CDW WiFi Setup FAQs**

### **Q1: Can Brother MFC 9340CDW connect to 5 GHz WiFi?**

No — it supports **only 2.4 GHz**.

### **Q2: Does the printer support WiFi Direct?**

Yes — no router needed.

### **Q3: Why is my printer not showing on my computer?**

You must install the correct drivers and ensure both are on the same network.

### **Q4: Does the printer support WPS?**

Yes — if your router supports WPS.

### **Q5: Can I connect the printer using USB and WiFi at the same time?**

Yes — but wireless printing requires WiFi setup.

**Brother Printer Support at 1-866-203-7571**

# **17. Professional Support – Call 1-866-203-7571**

If you still cannot connect your Brother MFC 9340CDW to WiFi, don’t worry — wireless printers often require advanced technical configuration.

You can contact **Brother Support Experts at 1-866-203-7571** for:

* WiFi setup help
* Driver installation
* Troubleshooting
* Network configuration
* Firmware repair
* Remote assistance

**Brother Printer Support at 1-866-203-7571**

# **Conclusion**

Connecting your **Brother MFC 9340CDW to WiFi** is easy if you follow the correct steps. Whether you use the Setup Wizard, WPS, or WiFi Direct, this guide has covered all methods in detail—plus advanced troubleshooting solutions for every possible wireless issue.

If you still face any difficulties, **call 1-866-203-7571** for fast and reliable assistance.