Network Diagnostic Utility (NDU)

Network Diagnostic Utility is a downloadable tool to help identify and fix common problems when installing or using HP products on your home network. The NDU guides you through the following troubleshooting steps:

Identify network and Internet connection problems.

Identify communication problems between the product and the network.

Check for required HP software to connect your product over the network.

Troubleshoot firewalls blocking communication.

For detailed instructions and to download the NDU, go to http://h10025.www1.hp.com/ewfrf/wc/ document?docname=c02037530&lc=en&dlc=en&cc=us

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HP M401DNE Laser CF399A#BGJ manual Network Diagnostic Utility NDU