How do I fix my HP scanner’s ‘connection errors’ on my Windows computer?

Castle Ink hopes following these two sets of instructions will solve your HP scanner’s errors. 

Fix troubleshoot hardware problems:

1. Type ‘cmd’ in the Windows search bar.
2. Select ‘Run as Administrator.’
3. Copy and paste ‘msdt.exe -id DeviceDiagnostic.’ This is a reliable Microsoft support diagnostic tool.
4. Click ‘next.’
5. Follow the onscreen instructions.

Run system file checker: 

1. Type ‘cmd’ in the Windows search bar.
2. Select ‘Run as Administrator.’
3. In the command prompt, type ‘stf/scannow.’ 
4. Wait until ‘Verification is 100% Complete.’
5. Once complete, type ‘exit’ in the command prompt.
6. Press enter to close the window.