How to Reconnect HP DeskJet 3755 Offline Printer to WiFi? (Full Guide)

Sometimes, your HP DeskJet 3755 printer may appear offline even when it’s connected to your device or a WiFi network. This issue is very common and often occurs due to incorrect settings, outdated drivers, or connection errors. As someone who has encountered this problem with many printers, I understand how frustrating it can be. But don’t worry - there are simple ways to fix it. In this blog, I will walk you through the top 5 easy solutions to troubleshoot and reconnect your HP DeskJet 3755 printer to WiFi quickly.

Solution 1: Remove and Re-Add Your HP Printer

If your HP DeskJet printer is connected to a WiFi or a device but still shows offline, then you need to remove it and then re-add it. Here is how you can do it with the HP Smart app.

• First, you should open the HP Smart App on your device.

• On the app, you need to right-click on the Printer icon and then select Hide Printer.

• If a pop-up appears on your screen, then select Hide Printer once again.

• Next, you can add your printer once again by selecting the Add printer option or plus sign.

• Check whether the issue is resolved and if your printer is now connected to WiFi.

Solution 2: Run Diagnose & Fix From HP Smart App

Run the Diagnose & Fix tool in the HP Smart app using the steps below.

• If you do not have the HP Smart app on your device, then download and install it from the official brand website.

• After that, you need to launch the app and select the Diagnose & Fix icon. (If you are using a Mac, then you need to go to the Printers menu to select the option.)

• When you see your printer name, you need to select the Start button and then wait for the analysis to complete. (Note: You should not close the HP Smart app while the troubleshooter is running.)

• Follow the steps displayed on your screen if any problems are detected.

• If there are no issues shown on the screen, then click on the Done button.

Solution 3: Choose Your HP Printer as Default

Follow the follow-up steps to ensure your printer is selected as your default printing machine.

• On your PC, you need to access your Printers & Scanners window.

• Make sure the “Let Windows manage my default printer” option is unchecked.

• From the list of available HP printers, you are required to click your printer name and then click Manage. If there are multiple printer names that match yours, select the printer that is idle or online.

• Then click on the "Set as Default" button under Manage your device.

• Next, check if you are able to complete the WiFi connection of your printer.

Solution 4: Update the Printer Driver

Update your driver to resolve the issue. Follow the steps carefully.

• You can go to the HP Smart app on your device.

• Select the image of your HP printer.

• After that, you need to click on the Advanced Settings option.

• Then, you should select the Printer Update tile or click Printer Updates under Manage from the embedded web server (EWS).

• Next, click on the Check Now option.

• If it shows any new updates for your printer, then download and install them on your device.

• Visit HP’s official site to get the newest software update for your printer.

Solution 5: Restart Your Devices

Restarting your devices can also be helpful in fixing the issue and reconnecting the printer. Here is how you can do it.

1. First, you have to press the power button on your printer if it is on. (Note: If the printer doesn’t turn off, unplug the power cord from both the printer and the outlet.)

2. Switch off the computer or mobile device that you are attempting to print from.

3. Restart your wireless router if the HP printer is linked via WiFi or through an Ethernet cable.

4. In addition, If it is necessary, you should reconnect your power cable to the printer and to a wall socket and then turn on the printer.

5. Next, turn on your computer and mobile device.

6. Make sure that the printer and operating system are connected to the same wireless network. Also, follow the steps below:

   • On your PC or smartphone, access the list of available networks and also confirm that it is connected to the right network connection.

   • Check the control panel on your printer for the wireless indicator light. A solid blue light means the printer is successfully connected.

7. Finally, check if your printer is out of the error state and connect it to WiFi.

Frequently Asked Questions

Question

Why Is My HP DeskJet 3755 offline?

These could be the top reasons if you are facing an offline issue with your printer.

●     The HP printer is not properly connected to your WiFi network or system.

●     Your printer is facing a compatibility issue, or its wires are loose.

●     There are some issues with the printer software or driver.

●     You have chosen the "Use Printer Offline" option for your printer.

●     The printer is not set as your default printing device and others. 

Question

How Do I Connect HP 3755 printer to WiFi?

Follow the given steps if you want to connect your printer to WiFi.

1. Keep the printer near your WiFi router.

2. Next, look for the "Setup," "Network," or "Wireless" settings menu on your printer.

3. Then, go to the "Wireless Setup Wizard."

4. Select the network name and type the password.

5. Finally, the connection process will be complete. 

Question

What should I do if my HP printer doesn’t connect to WiFi?

Due to the issue with the device compatibility or your WiFi router, you may face issues while connecting your printer. In this case, you need to look for the root causes behind the issue to take action accordingly. Other helpful fixes include updating the printer software, restarting the system, correctly setting it up, or adding the printer again. In addition, look for more help if necessary. 

Source: How to Reconnect HP Offline Printer to WiFi