Why Is Samsung Smart App Not Detecting the Printer?

Smart printing technology has made it easier than ever to print wirelessly from your mobile device. Samsung’s Smart Printer App (often known as Samsung Mobile Print or Samsung Smart Printer Diagnostic System) allows users to print, scan, and manage printers directly from a smartphone or tablet. However, a common issue many users face is when the Samsung Smart app does not detect the printer, leaving them unable to connect or print.

If you’re struggling with this problem, you’re not alone. Many Samsung printer users encounter connectivity and detection issues when trying to print via the app. The good news is that in most cases, the issue can be fixed with some simple troubleshooting steps.

How Does the Samsung Smart App Work?

The Samsung Smart app is designed to simplify printing and scanning tasks by allowing wireless connectivity between your Samsung printer and mobile device. Here’s how it functions:

Wi-Fi Direct: Connects your phone directly to the printer without needing a router.
Wi-Fi Network: Both printer and mobile device connect to the same Wi-Fi network.
Mobile Data Printing (Cloud): For advanced models, you may print over the internet using cloud services.

If the app cannot detect the printer, the problem usually lies in one of these connection methods.

Common Reasons Why Samsung Smart App Is Not Detecting the Printer

Several issues can prevent the app from detecting your Samsung printer:

Printer Not Connected to Wi-Fi
- If the printer is offline or connected to a different network, the app won’t detect it.
Mobile Device on a Different Network
- Your phone/tablet must be on the same Wi-Fi network as the printer (unless using Wi-Fi Direct).
Disabled Wi-Fi Direct Mode
- If Wi-Fi Direct is turned off, the printer cannot connect directly to the app.
Outdated Samsung Smart App
- An old version of the app may not support your OS or printer.
Printer Driver/Firmware Issues
- Outdated or corrupted firmware can cause communication errors.
Mobile OS Compatibility Issues
- Sometimes, app updates lag behind Android/iOS updates, leading to temporary issues.
Firewall or Security Restrictions
- Routers with strong firewalls or VPNs may block device-printer communication.
Physical Connectivity Issues
- Weak Wi-Fi signal, interference, or incorrect setup may break the connection.

Step-by-Step Fix: Why Is Samsung Smart App Not Detecting the Printer?

Let’s go through detailed troubleshooting steps.

Method 1: Check Printer Power and Network Status

Before anything else, ensure the printer is ready:

Verify the printer is powered on and not in sleep mode.
Check the Wi-Fi indicator light on your printer.
Print a Network Configuration Report to confirm it’s connected to Wi-Fi.

Method 2: Ensure Mobile Device Is on the Same Wi-Fi Network

The Samsung Smart app will only detect printers on the same Wi-Fi network.

Open Wi-Fi settings on your phone.
Confirm you’re connected to the same network as the printer.
If using dual-band routers (2.4GHz & 5GHz), ensure both devices are on the same band.

Method 3: Enable Wi-Fi Direct (Alternative Connection)

If you don’t have Wi-Fi, use Wi-Fi Direct:

On the printer, go to Menu > Network > Wi-Fi Direct.
Turn on Wi-Fi Direct.
On your mobile device, connect to the printer’s Wi-Fi Direct network (e.g., DIRECT-PrinterName).
Open the Smart app and try detecting the printer again.

Method 4: Update the Samsung Smart App

An outdated app may not function properly.

Go to Google Play Store or Apple App Store.
Search for Samsung Mobile Print / Smart Printer.
Update to the latest version.

Method 5: Restart Printer, Router, and Phone

A simple restart often resolves detection problems:

Power off the printer, router, and phone.
Wait at least 1 minute.
Power them back on and reconnect to Wi-Fi.
Try detecting the printer again.

Method 6: Update Printer Firmware

Outdated firmware can cause connectivity issues.

Go to HP Support Website (Samsung printers are now managed by HP).
Enter your printer model and download the latest firmware.
Update via USB or Wi-Fi depending on your printer model.

Method 7: Reinstall the Samsung Smart App

If updates don’t help, reinstalling may fix corrupted files.

Uninstall the app from your device.
Restart your phone.
Reinstall the app from the app store.

Method 8: Add Printer Manually in the App

If auto-detection fails, try manual setup:

Open the Samsung Smart app.
Tap Add Printer.
Enter the IP address of your printer (found in the Network Report).
Save settings and try printing.

Method 9: Check Router Settings

Some routers block device discovery.

Disable VPN or Proxy if enabled.
Temporarily turn off firewall settings.
Enable Multicast/UPnP on your router.

Method 10: Try Another Device

To confirm if the issue is device-specific:

Install the Samsung Smart app on another phone or tablet.
Check if the printer is detected there.
If yes, the issue may be with your original mobile device.

Advanced Fixes (If Basic Steps Don’t Work)

If you’ve tried the basics and still face issues:

Factory Reset Printer
- Resetting your printer network settings can remove faulty configurations.
Reinstall Printer on Wi-Fi
- Use WPS (Wi-Fi Protected Setup) to reconnect the printer to your router.
Use Samsung Easy Printer Manager (PC/Mac)
- Detect and configure the printer via computer, then reconnect the app.
Switch to HP Smart App (For Newer Models)
- Since Samsung printing is now part of HP, some models work better with the HP Smart app.

Preventive Tips to Avoid Detection Issues

Keep both your Samsung Smart app and printer firmware updated.
Always connect devices to the same Wi-Fi network.
Avoid moving your printer too far from the router.
Restart router and printer regularly to refresh connections.
Disable unnecessary VPN or firewall settings when printing.

Conclusion

So, why is Samsung Smart app not detecting the printer? The answer usually comes down to Wi-Fi misconfigurations, outdated app/firmware, or network restrictions.

By following the step-by-step solutions—checking network connections, updating the app and firmware, enabling Wi-Fi Direct, or manually adding the printer—you can quickly fix detection problems and enjoy smooth mobile printing again.

Consistent maintenance and updates will prevent recurring detection issues in the future.

FAQs

Q1. Why is my Samsung Smart app not detecting my printer even when both are on Wi-Fi?
A: Ensure both devices are on the same Wi-Fi network and check if your router allows device discovery (enable UPnP).

Q2. Can I use the Samsung Smart app without Wi-Fi?
A: Yes, use Wi-Fi Direct mode to connect your mobile device directly to the printer without a router.

Q3. Does the Samsung Smart app still work after HP took over Samsung printers?
A: Yes, but for some models, you may need to switch to the HP Smart app for better compatibility.

Q4. My printer is detected but doesn’t print—what should I do?
A: Update printer firmware, clear the print queue, or reinstall the app. This usually resolves stalled print jobs.

Q5. Can outdated firmware cause detection issues?
A: Absolutely. Outdated firmware can prevent proper communication between the printer and the app. Always keep it updated.