Your 178nw isn't just a printer; it's a powerful scanner. The full software package includes everything you need for scanning, including Optical Character Recognition (OCR). To ensure these advanced tools work:
| Issue | Likely Cause | Potential Solution | | :--- | :--- | :--- | | | Windows installed a generic driver, especially on ARM64 systems. | Disconnect the USB cable and reinstall the printer using the HP Smart app over a Wi-Fi connection. | | Yellow exclamation mark in Device Manager | Driver conflict or corruption. | Uninstall the problematic driver from Device Manager, restart your PC, and reinstall the official driver from HP. | | Fatal error during installation | The computer doesn't recognize the printer driver. | When the installation prompts you to connect the USB cable, use Device Manager to manually select the correct HP printer driver from the list of available drivers. | | Printer prints symbols or garbage text | Incorrect or corrupted driver, especially on macOS. | Use the HP Smart App's "Diagnose & Fix" tool. If that fails, remove the printer from System Preferences and re-add it using the HP Smart App. | | Printer offline or unavailable | Connection issue (Wi-Fi/USB). The printer might be in an error state, or there might be a problem with the print spooler on your computer. | First, try the HP Smart app's "Diagnose & Fix" tool . Check the printer's control panel for error lights. Restart your printer, computer, and router. | | Scanning not working | You only installed the basic print driver, not the full software package. | Uninstall the basic driver and reinstall using the "Full Solution Software and Drivers" option from the HP website. This will include the necessary TWAIN/WIA scan drivers. | | Connection lost after router restart | The printer's IP address may have changed if not assigned a static/reserved IP in your router settings. | Set up a "static IP" or "DHCP reservation" for your printer within your router's admin settings. This ensures it always gets the same network address. | | Bricked printer after firmware update | A failed or corrupted firmware update has rendered the printer unusable. | This is a serious issue. Contact HP Support for advanced recovery steps. You can sometimes enter a "wait image" mode by holding specific buttons on power-up to attempt a manual USB firmware reinstallation. | hp colour laser mfp 178nw driver work
Here is how to find the correct driver: