HP DeskJet 3752 WiFi Setup Not Working? Fix Issues Fast by gethuman

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There are several reasons behind HP DeskJet 3752 wireless setup failure. Identifying the root cause makes fixing it much easier.
Common Causes:
Incorrect WiFi password
Printer connected to old network
Weak router signal
WiFi router frequency incompatibility (2.4GHz vs 5GHz)
Outdated printer firmware
HP Smart app setup errors
Network firewall blocking connection
Printer not in setup mode
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𝟭. Restart Your Printer and Router (Quick Fix)
Before trying advanced solutions, perform a basic power reset. Many HP DeskJet 3752 WiFi connection issues resolve after a simple restart.
𝐒𝐭𝐞𝐩𝐬:
Turn off your HP DeskJet 3752.
Unplug your WiFi router for 60 seconds.
Plug the router back in and wait until fully restarted.
Turn the printer back on.
Try wireless setup again.
This refreshes network communication and clears temporary glitches.
𝟮. Ensure Printer Is in Setup Mode
If your HP DeskJet 3752 not connecting to wireless network, it may not be in WiFi setup mode.
How to Enable Setup Mode:
Turn on the printer.
Press and hold the Wireless button + Cancel button together for 5 seconds.
The blue light should start blinking.
Blinking blue light means the printer is ready for wireless setup.
𝟯. Connect HP DeskJet 3752 Using HP Smart App
The easiest way to complete HP DeskJet 3752 wireless setup is via the HP Smart app.
𝐒𝐭𝐞𝐩𝐬:
Download HP Smart from official HP website.
Open the app.
Click Set Up a New Printer.
Select HP DeskJet 3752.
Enter WiFi password.
Complete installation.
Make sure your device is connected to the same WiFi network during setup.
𝟰. Check WiFi Band Compatibility (Important)
HP DeskJet 3752 only supports 2.4GHz wireless networks.
If your router is running only 5GHz, your printer will not connect.
𝙵𝚒𝚡:
Log in to router settings.
Enable 2.4GHz band.
Connect printer to 2.4GHz network.
This is a common reason for HP DeskJet 3752 WiFi setup not working.
𝟱. Move Printer Closer to Router
Weak signal strength may interrupt setup.
Solution:
Place printer within 10–15 feet of router.
Avoid walls and metal obstructions.
Reduce interference from microwaves or cordless phones.
A stable signal improves wireless setup success.
𝟲. Reset Network Settings on HP DeskJet 3752
If your printer was previously connected to another network, resetting network settings helps.
𝐒𝐭𝐞𝐩𝐬:
Turn on printer.
Press and hold Wireless button + Cancel button for 5 seconds.
Wait until blue light blinks.
Re-run wireless setup via HP Smart.
This clears old WiFi credentials and allows fresh configuration.
𝟳. Update Printer Firmware
Outdated firmware may cause connectivity issues.
How to Update:
Open HP Smart app.
Check for printer updates.
Install available firmware updates.
Restart printer.
Firmware updates fix bugs and improve wireless stability.
𝟖. Check Firewall and Antivirus Settings
If HP DeskJet 3752 connected to WiFi but not printing, your firewall may block communication.
𝙵𝚒𝚡:
Temporarily disable firewall.
Add HP Smart as trusted application.
Ensure printer is allowed through network settings.
Quick Troubleshooting Checklist
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Final Thoughts: Fix HP DeskJet 3752 Printer WiFi Setup Not Working
If your HP DeskJet 3752 printer WiFi setup not working, the issue is usually related to incorrect credentials, network frequency mismatch, outdated firmware, or setup mode errors. Start with basic troubleshooting like restarting your router and printer, then move to advanced steps like resetting network settings and using the HP Smart app.
Most HP DeskJet 3752 wireless connection issues can be fixed within minutes by following this guide.
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