HP Commercial LaserJet Printers and MFPs - Imaging and Printing Security Best Practices

Chapter 4 HP LaserJet and Color LaserJet MFP Security Checklist 65
Figure 60: The Group 1 PIN and Group 2 PIN Authentication options.
Click to select PIN Authentication, and enter PINs as desired. Be sure to repeat the PINs
exactly in the Confirm PIN fields.
Note:
If your network includes NTLM service, configure NTLM. This option
specifies the authentication method to use when your MFP executes a
send to folder job. We recommend using the highest authentication
available.