Pro Tip: The latest driver version as of this writing is often labeled HP_LJ_MFP_178_179_XXX.exe. Ensure the filename includes "MFP" (Multi-Function Printer). If it only says "PCL6", scanning may not work.
If you have tried everything and the HP Colour Laser MFP 178nw driver still won’t work, HP provides a nuclear option. hp colour laser mfp 178nw driver work
Success rate for the 178nw: Approximately 85% of non-working drivers are revived by this tool. Pro Tip: The latest driver version as of
Once you get the driver working, keep it that way. If you have tried everything and the HP
If you prefer not to use the HP Smart app, or if you need specific drivers for enterprise environments, you can download the full solution software manually.