Question
What are the common firewall issues that prevent printer sharing?
Asked by: USER5718
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65 Answers
Answer (65)
Windows Firewall or third-party firewalls can block printer sharing. Specifically, ports 139, 445, and 515 (used by SMB) and port 631 (used by IPP) might be blocked. You'll need to create exceptions in your firewall for these ports to allow printer communication.