Why Your HP DeskJet 3755 Won’t Connect to WiFi: Troubleshooting Guide

Wireless printers like the HP DeskJet 3755 add convenience to home and office setups by allowing you to print from any device connected to the same WiFi network. However, when connectivity issues arise, they can disrupt your workflow and lead to frustration. If your how to connect hp deskjet 3755 to wifi, it could be due to various reasons—ranging from incorrect settings to WiFi network issues. In this article, we’ll cover possible causes, troubleshooting tips, and practical solutions to get your printer back online.

1. Common Reasons Why HP DeskJet 3755 Won’t Connect to WiFi

Understanding the reasons behind the connectivity issue can help in troubleshooting it effectively. Here are some common causes:

1. Incorrect WiFi Settings: Entering the wrong WiFi credentials or selecting the wrong network may prevent your printer from connecting.
2. Outdated Printer Firmware: Firmware updates often include fixes for connectivity issues, so outdated firmware can lead to problems.
3. Weak WiFi Signal: A weak or unstable connection can prevent the printer from maintaining a WiFi connection.
4. Router Settings or Compatibility: Certain router settings or compatibility issues may cause conflicts with your HP DeskJet 3755.
5. Software or Driver Issues: Outdated or corrupted drivers on your computer or device can interfere with WiFi connectivity.
6. Device Conflicts: Having too many devices connected to the same WiFi network can lead to performance and connectivity issues.

2. Initial Checks and Preparations

Before diving into detailed troubleshooting, run through the following checklist to eliminate any common, straightforward issues:

1. Confirm Network Availability: Ensure that your WiFi network is active and functioning. You can do this by connecting other devices to the WiFi network to see if they work.
2. Restart Printer and Router: A simple restart can resolve connectivity problems. Power off both the printer and the router, wait 30 seconds, and turn them back on.
3. Move Closer to Router: Position the printer closer to the router to ensure it’s within range of a strong WiFi signal.
4. Check for Interference: Make sure other electronic devices like microwaves, cordless phones, or Bluetooth devices are not causing interference.

3. Troubleshooting Steps for Connecting Your HP DeskJet 3755 to WiFi

Step 1: Reconnect the Printer Using the HP Smart App

The HP Smart App simplifies the connection process and may resolve WiFi issues if the printer isn’t connecting.

1. Download or Open HP Smart App: Available on both Apple App Store and Google Play Store, this app is also compatible with Windows and macOS.
2. Add Your Printer: Open the app and click “Add Printer.” Select your HP DeskJet 3755 from the list.
3. Enter WiFi Credentials: The app will prompt you to enter the WiFi network name (SSID) and password. Ensure these details are correct.
4. Confirm Connection: Follow the on-screen instructions. Once connected, the app should confirm that the printer is online.

Step 2: Use WPS (WiFi Protected Setup) if Available

If your router has a WPS button, this can be a quick way to connect the HP DeskJet 3755.

1. Activate WPS Mode on the Printer: Press and hold the Wireless Button on your printer until it starts blinking.
2. Press the WPS Button on Your Router: Within two minutes, press the WPS button on your router. The printer’s blinking light should turn solid once the connection is successful.
3. Test the Connection: Print a test page to confirm the printer is connected to WiFi.

Step 3: Update Printer Firmware

An outdated firmware version may contain bugs that interfere with connectivity.

1. Visit HP Support Website: Download the latest firmware updates for the HP DeskJet 3755.
2. Install the Update: Follow the instructions on HP’s website or use the HP Smart App to check for and install any available firmware updates.
3. Restart the Printer: After updating the firmware, restart your printer to ensure the changes take effect.

Step 4: Reset Network Settings on the Printer

Resetting the network settings clears any previous WiFi configurations that may be causing conflicts.

1. Press and Hold the Wireless and Cancel Buttons: Do this for 3-5 seconds until the power light starts blinking. This resets the printer’s network settings.
2. Reconnect to WiFi Using HP Smart App or WPS: Once reset, try reconnecting the printer to WiFi using either the HP Smart App or WPS.

4. Advanced Troubleshooting Solutions

If the basic troubleshooting steps didn’t solve the problem, try these advanced solutions.

Solution A: Check Router Settings and Compatibility

Certain router settings may interfere with your HP DeskJet 3755’s WiFi connection.

1. Ensure 2.4 GHz Band: Many HP printers, including the DeskJet 3755, only connect to the 2.4 GHz band. Ensure your router is broadcasting this frequency.
2. Enable DHCP: Dynamic Host Configuration Protocol (DHCP) automatically assigns IP addresses to devices. Ensure DHCP is enabled in your router settings.
3. Update Router Firmware: Outdated router firmware can cause connectivity issues. Visit your router manufacturer’s website to check for updates.
4. Disable MAC Address Filtering: If enabled, this feature restricts devices based on MAC addresses. Either add your printer’s MAC address to the allowed list or disable the feature temporarily.

Solution B: Manually Assign a Static IP Address

Sometimes, assigning a static IP to the printer can stabilize the connection.

1. Log into Your Router: Access the router’s configuration page by entering its IP address into a web browser.
2. Assign Static IP: Find the IP reservation or DHCP reservation section, then assign a static IP address to your HP DeskJet 3755’s MAC address.
3. Reconnect the Printer: Restart both the printer and router, then check if the connection holds.

5. Specific Issues and How to Address Them

Problem 1: HP DeskJet 3755 Keeps Disconnecting

If your printer intermittently disconnects from WiFi, try these tips:

• Reduce Network Traffic: Too many connected devices can overload your network. Disconnect unnecessary devices.
• Place Printer Near Router: Reducing the distance between the printer and router can help maintain a stable connection.
• Use a WiFi Extender: If your router is far from the printer, a WiFi extender can improve signal strength.

Problem 2: Printer Shows as Offline

If the printer is connected to WiFi but appears offline on your device:

1. Restart Devices: Restart both the printer and the device you’re trying to print from.
2. Check Printer Status: On your computer, navigate to the Devices and Printers section, right-click your printer, and make sure it’s set to “Use Printer Online.”
3. Update Printer Drivers: Go to the HP website, download the latest drivers for your HP DeskJet 3755, and install them.

Problem 3: HP DeskJet 3755 Not Detected by HP Smart App

If the HP Smart App can’t locate your printer:

• Check Network Connection: Ensure both the printer and device running the HP Smart App are on the same WiFi network.
• Reset Printer: Perform a network reset on the printer and try reconnecting.
• Reinstall HP Smart App: Delete and reinstall the HP Smart App to refresh the connection process.

6. Frequently Asked Questions

Q1: Can I Connect HP DeskJet 3755 to 5 GHz WiFi?

No, the HP DeskJet 3755 only supports 2.4 GHz WiFi.

Q2: How Do I Reset My HP DeskJet 3755 to Factory Settings?

Hold down the Wireless and Cancel buttons simultaneously for 3-5 seconds. This will restore the printer’s network settings to factory defaults.

Q3: How Can I Find My HP DeskJet 3755’s MAC Address?

You can print a network configuration page from your printer’s control panel, which will display the MAC address.

Q4: Why is My HP DeskJet 3755 Blinking?

A blinking WiFi light usually indicates that the printer is trying to connect to WiFi. If it continues to blink, it may not be able to find or connect to the network.

Q5: Do I Need Internet Access to Connect My HP DeskJet 3755 to WiFi?

Yes, an active WiFi network is required, but you don’t need internet access if you’re only printing within your local network.

7. Conclusion

Connecting the HP DeskJet 3755 to WiFi can sometimes present challenges, but following these troubleshooting steps can help resolve most issues. Start with the basics, such as verifying network credentials and signal strength, and then proceed to advanced methods like updating firmware and adjusting router settings. By maintaining updated printer firmware, ensuring compatibility with your network, and using the right setup tools, you can enhance your printer’s connectivity and enjoy a smooth, wireless printing experience.