A: Sometimes. The "top" download may include critical firmware that improves scan stability. Read the release notes.
A: It includes print, scan, fax, network management tools, and support for multiple languages and architectures (x86/x64). hp laser mfp 137fnw scan driver download top
The uses different communication protocols for printing (usually TCP/IP) versus scanning (typically Twain, WIA, or eSCL). Without the dedicated scan driver , your computer’s operating system will see the printer for paper output but will have no idea how to translate image data from the scanner glass or ADF (Automatic Document Feeder). A: Sometimes