HP Color LaserJet 4730 Multifunction Printer series - Manual (Page 172)

Analog faxing
When the analog fax accessory is installed, the MFP can function as a standalone fax machine.
The HP Color LaserJet 4730x mfp, HP Color LaserJet 4730xs mfp, and HP Color LaserJet
4730xm mfp models come with a fax accessory already installed. For the HP Color LaserJet 4730mfp
(base model), you can order this accessory as an option. See
Part numbers for information about
ordering the analog fax accessory.
Installing the fax accessory
Use this procedure to install the analog fax accessory if it is not already installed.
1. Turn off the MFP, and disconnect all the cables.
152 Chapter 7 Faxing ENWW