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- HP Community
- Printers
- Mobile Printing & Cloud Printing
- PHONE NO LONGER CONNETING TO PRINTER

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08-21-2025 08:54 AM
Hi @ANDY728,
Welcome to the HP Support Community.
Thank you for posting your query. I will be glad to help you.
I know how frustrating it is when your phone suddenly stops connecting to your HP printer and throws up error code -9. Let’s walk through the steps to fix this with care and clarity.
Step-by-Step Fix for Error Code -9
1. Reset the Printer’s Network Settings
- On most HP printers, press and hold the Wireless and Cancel buttons together until the Power button starts flashing
- This puts the printer into Wi-Fi setup mode, ready to connect to a new network.
2. Use the Correct Wi-Fi Band
- Make sure your phone and printer are both connected to the 2.4 GHz Wi-Fi band.
- HP printers often do not support 5 GHz networks.
3. Sign In to the HP Smart App First
- Before adding the printer, sign in to your HP account in the HP Smart app.
- Some users found that skipping this step causes error -9.
4. Update HP Smart App
- Go to the App Store or Play Store and make sure the HP Smart app is fully updated.
5. Restart Everything
- Restart your printer, phone, and Wi-Fi router.
- This refreshes connections and clears temporary glitches.
6. Disable Wi-Fi Direct Temporarily
- If Wi-Fi Direct is enabled on the printer, it may interfere with setup.
- Disable it from the printer’s control panel during Wi-Fi setup.
I hope this helps.
Take care and have an amazing day!
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Regards,
VikramTheGreat