HP Color LaserJet CM4730 Multifunction Printer series - Manual (Page 342)

General telecom statement
The HP Color LaserJet CM4730f, CM4730fsk, and CM4730fm models have the HP LaserJet Analog
Fax Accessory 300 already installed to provide communication to the public switch telephone network
(PSTN) for fax functionality. See the HP LaserJet Analog Fax Accessory 300 User Guide for all
regulatory approval information and regulatory notices associated with the fax functionality and that
device.
326 Appendix D Regulatory information ENWW