Noyafa NF-810 Multifunctional Network Tester, Ethernet LAN Network Wire Tracker with Telephone Line Tester , Network line Scanning, Power Cable Scanning and POE Switch Test Functions: Amazon.com: Industrial & Scientific
Slitheris Network Discovery - A Premium IP Scanner for Windows - Komodo Labs
HP ScanJet Enterprise Flow N9120 fn2 Flat Scanner 200 Sheets ADF LAN USB: Amazon.de: Computer & Accessories
How to fix 'Invalid shared folder. Check your network path and try again' when configuring HP's half-ass 'Scan to Network Folder' feature | by John M. Kuchta | Medium