: If third-party software cannot find the scanner, download the HP LaserJet MFP Basic Driver package, which explicitly registers TWAIN and WIA architectures into your system directory.
| Source | Reliability | Scan Included? | |--------|-------------|----------------| | HP Official Support | ⭐⭐⭐⭐⭐ | Yes (Full driver) | | HP Smart App | ⭐⭐⭐⭐ | Yes (Auto-install) | | Third-party sites (e.g., DriverGuide) | ⭐⭐ | Risky (malware possible) | hp laser mfp 137fnw scan driver download top