# 1-866-203-7571 How to Connect Brother MFC L3750CDW Printer to WiFi?

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

Connecting your **Brother MFC-L3750CDW** printer to WiFi allows you to print wirelessly from computers, smartphones, tablets, and other connected devices. Whether you’re setting up the WiFi connection for the first time, reconnecting your printer after changing your router, or troubleshooting an unstable connection, this comprehensive guide will walk you through everything step-by-step.

This is the **ultimate 3000-word WiFi setup tutorial**, covering:

✔ What to do before WiFi setup
✔ Methods to connect Brother MFC-L3750CDW to WiFi
✔ Step-by-step instructions for each method
✔ Troubleshooting common WiFi setup issues
✔ Router settings to optimize wireless printing
✔ Mobile printing setup (iPhone, Android)
✔ Resetting network settings
✔ Expert tips for seamless connectivity
✔ When to contact support (**1-866-203-7571**)

Let’s begin.

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# **1. Introduction to Brother MFC-L3750CDW Wireless Setup**

The **Brother MFC-L3750CDW** is an all-in-one color laser printer featuring:

* Wireless printing
* Duplex printing
* Mobile printing (AirPrint, Mopria, Brother iPrint&Scan)
* Cloud connectivity

To use these features, your printer must be connected to your WiFi network.

There are **four main ways** to connect this printer to WiFi:

### **Method 1: Using the Printer’s Touchscreen (Most Common)**

### **Method 2: Using WPS Push-Button Method**

### **Method 3: Using Brother Software on PC**

### **Method 4: Using Brother iPrint&Scan App**

Later in this guide, we also cover troubleshooting and advanced WiFi configuration.

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# **2. Pre-Setup Requirements (Check These First!)**

Before connecting your Brother MFC-L3750CDW to WiFi, make sure:

### ✔ **1. You know your WiFi Name (SSID)**

Example: *Home WiFi*, *TP-Link_5GHz*, *Netgear24*.

### ✔ **2. You know your WiFi Password**

This is required unless you’re using WPS.

### ✔ **3. Your WiFi Router is 2.4 GHz**

The MFC-L3750CDW **supports only 2.4 GHz networks**.

If you have a dual-band router:

* 2.4 GHz = Works with printer
* 5 GHz = Printer will NOT detect it

### ✔ **4. The printer is powered ON**

The touchscreen should be active.

### ✔ **5. Place printer close to WiFi router**

At least during the first setup.

### ✔ **6. No VPN or firewall blocking local devices**

Once these requirements are met, continue with the setup.

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# **3. Method 1: Connect Brother MFC-L3750CDW to WiFi via Touchscreen (Recommended)**

This is the easiest and most commonly used setup method.

### **Step-by-Step Instructions**

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

The control panel lights up.

### **Step 2: Tap the “Settings” or “Menu” Icon**

On the touchscreen display.

### **Step 3: Go to “Network”**

You may need to scroll.

### **Step 4: Tap “WLAN”**

This opens the WiFi setup options.

### **Step 5: Select “Setup Wizard”**

Your printer starts searching for available WiFi networks.

### **Step 6: Select Your WiFi Network (SSID)**

Choose from the displayed list.

If your network is hidden:

* Tap **“Manual Setup”**
* Enter your WiFi name manually.

### **Step 7: Enter Your WiFi Password**

Use the on-screen keyboard.

Tips:

* Check uppercase/lowercase
* Ensure no extra spaces
* Enter slowly to avoid mistakes

### **Step 8: Confirm Settings**

Tap **OK** or **Apply**.

### **Step 9: Connecting…**

The printer attempts to connect.

### **Step 10: “Connected” Confirmation**

The printer displays:

> **“Connected to Wireless Network”**

A wireless icon should appear on the top of the display.

You have now successfully connected the Brother MFC-L3750CDW to WiFi.

If it fails, go to the **Troubleshooting** section below.

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# **4. Method 2: Connect Using WPS (WiFi Protected Setup)**

If your router has a **WPS button**, this method avoids typing a WiFi password.

### **What You Need**

✔ Router with WPS
✔ Printer within 3 meters of the router

### **Steps**

### **Step 1: Press the “Settings” icon**

On the printer touchscreen.

### **Step 2: Navigate to:**

**Network → WLAN → WPS/AOSS**

### **Step 3: Select “WPS”**

### **Step 4: When prompted, press the WPS button on your router**

Hold for **2–5 seconds**.

Your router begins searching for wireless devices.

### **Step 5: Printer Automatically Connects**

It will display:

> **“Connected Successfully”**

WPS makes the process very easy.

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# **5. Method 3: Connect Using Brother Software on Computer**

If you prefer configuring WiFi using your PC or if the touchscreen is unresponsive, use this method.

### **Step 1: Download Brother Software**

Visit Brother Support.

Download:

* **Full Driver & Software Package**

### **Step 2: Run the Installer**

Choose **Wireless Network Connection**.

### **Step 3: The software searches for your printer**

If the printer is not yet on WiFi, choose:

✔ **“I want to temporarily connect with USB”**

### **Step 4: Connect USB Cable**

Temporarily connect your printer to your computer.

### **Step 5: Enter your WiFi details**

Provide:

* Network Name (SSID)
* Password

### **Step 6: Finish Setup**

The software configures your printer's WiFi connection.

### **Step 7: Disconnect USB Cable**

Your printer is now wireless.

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# **6. Method 4: Connect Using Brother iPrint&Scan Mobile App**

### **For Android or iPhone Users**

This is useful when no computer is available.

### **Steps**

### **1. Install Brother iPrint&Scan**

Available on:

* Play Store
* App Store

### **2. Turn on your printer**

Ensure WiFi setup mode is ready.

### **3. Open the App → Choose “Set up a new printer”**

### **4. App searches for nearby printers**

If not found, choose:

* “Enter IP manually”
* OR “WiFi Setup” option

### **5. Select your WiFi network & enter password**

### **6. Wait for connection confirmation**

Now your printer and smartphone are on the same WiFi network.

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# **7. Confirming WiFi Connection Status**

To verify your Brother MFC-L3750CDW is properly connected:

### **Print Network Configuration Report**

Steps:

1. Press **Settings**
2. Go to **Print Reports**
3. Select **Network Configuration**

Look for:

* **Connection: OK**
* **IPv4 Address:** (Shows IP)
* **SSID:** (Your WiFi name)

If the report shows “Connection: Failed,” see troubleshooting below.

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# **8. Mobile Printing After WiFi Setup**

Once connected, you can print wirelessly from mobile devices.

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## **A. Printing from iPhone / iPad (AirPrint)**

1. Connect device to same WiFi
2. Open any document or image
3. Tap **Share**
4. Select **Print**
5. Choose **Brother MFC-L3750CDW**
6. Tap **Print**

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## **B. Printing from Android (Mopria or Brother App)**

1. Install **Mopria Print Service** OR use **Brother iPrint&Scan**
2. Connect to same WiFi
3. Open document → Print
4. Select your Brother printer

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# **9. What to Do if Printer Not Showing on WiFi?**

If your devices can’t detect the printer, check the following:

### ✔ Printer not connected to same WiFi

### ✔ 5GHz network instead of 2.4GHz

### ✔ Router firewall blocking local traffic

### ✔ Printer IP address changed

### ✔ Printer too far from router

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# **10. Troubleshooting Brother MFC-L3750CDW WiFi Issues**

Here is a detailed troubleshooting guide for common WiFi problems.

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

Try these fixes:

### **Fix 1: Move printer closer to router**

At least 1–5 meters away.

### **Fix 2: Enable 2.4 GHz WiFi**

Log in to router and enable:

* SSID Broadcast
* 2.4 GHz Network

### **Fix 3: Restart router**

Unplug → wait 30 seconds → plug in.

### **Fix 4: Reset network settings on printer**

Go to:
**Settings → Network → Network Reset**

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## **Problem 2: Printer Not Connecting After Entering Password**

### ✔ Double-check password

### ✔ Avoid special characters

### ✔ Ensure WiFi is not hidden

### ✔ Disable MAC filtering

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## **Problem 3: Printer Connected but Offline**

Solutions:

* Restart printer
* Restart PC
* Ensure both on same WiFi
* Assign static IP in router

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## **Problem 4: WiFi Drops Frequently**

Try:

### ✔ Turn off "Smart Connect" or "Band Steering"

These cause switching between 2.4 & 5 GHz.

### ✔ Update printer firmware

Via printer settings → Firmware Update.

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## **Problem 5: WPS Not Working**

Possible reasons:

* WPS disabled in router
* WPS timed out
* Pressed wrong button

Reset and retry.

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# **11. Resetting Network Settings (Fresh Setup)**

If nothing works, reset WiFi settings.

### **Steps**

1. Tap **Settings**
2. Go to **Network**
3. Select **Network Reset**
4. Tap **Yes**
5. Printer restarts

Now repeat the WiFi Setup Wizard.

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# **12. Advanced Router Settings for Best Printing**

### ✔ Disable AP Isolation

(prevents devices from seeing printer)

### ✔ Enable DHCP

(to assign IP automatically)

### ✔ Set channel to 1, 6, or 11

(best for 2.4 GHz)

### ✔ Keep router firmware updated

### ✔ Avoid WiFi extenders during initial setup

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# **13. Tips for Smooth Wireless Printing**

* Keep printer within strong signal range
* Use static IP to avoid offline issues
* Reboot your router monthly
* Install driver updates regularly

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

# **14. When to Call Support (1-866-203-7571)**

Contact support if:

* Printer refuses to detect your network
* Touchscreen freezes during setup
* Password accepted but still not connecting
* WPS shows repeated failure
* Printer frequently goes offline
* WiFi disconnects after router change

Expert technicians at **1-866-203-7571** can guide you through advanced solutions.

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

# **15. Conclusion**

Connecting your **Brother MFC-L3750CDW** printer to WiFi gives you full control of wireless printing from laptops, smartphones, and tablets. With this detailed 3000-word guide, you now understand:

* All WiFi connection methods
* Step-by-step instructions
* Troubleshooting
* Router configuration
* Mobile printing setup
* Advanced network optimization

If you face any issues, don’t hesitate to call **1-866-203-7571** for professional assistance.