HP Color LaserJet CM1312 MFP Series - Software Technical Reference

Interface ports
1 Fax ports (HP LaserJet CM1312nfi MFP (fax/photo-card model) only)
2 Network port (HP LaserJet CM1312nfi MFP (fax/photo-card model) only)
3 Hi-Speed USB 2.0 port
ENWW Product walkaround 7
Purpose and scope