Resolve Windows 10 related issues for your HP computers or printers by HP Windows 10 Support Center
For some reason I am no longer able to print from my Android Samsung Galaxy s10+ phone to my printer. When I try I get the following msg: Print Spooler - Printer Blocked - Unknown Certificate.
@amuniz, Welcome to HP Support Community!
Follow the steps below to isolate and resolve the issue-
Install the HP Print Service Plugin
Confirm your Android device is connected to the same network as your printer, or that Wi-Fi Direct on your printer and Android device is enabled.
On your Android device, install or update the HP Print Service Plugin (in English).
Once the installation or update is complete, choose your Android device to turn on the plugin:
Android 7 (Nougat) and later devices: The HP Print Service Plugin turns on automatically after installation. Continue with these steps.
Turn off any other print service plugins, if necessary.
You can refer this HP document for more assistance:- Click here
Hope this helps! Keep me posted.
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TEJ1602 I am an HP Employee
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