HP J4540, J4680, J4660 Fax over the Internet, To set the fax speed from the device control panel

•Fax over Internet Protocol (FoIP)

•An integrated services digital network (ISDN) service

If you experience problems sending and receiving faxes, you might want to try setting the Fax Speed setting to Medium or Slow. The following table provides the available fax speed settings.

Fax speed setting	Fax speed
Fast	v.34	(33600 baud)
Medium	v.17	(14400 baud)
Slow	v.29	(9600 baud)

To set the fax speed from the device control panel

1.Press Setup.

2.Press the right arrow to select Fax Settings, and then press OK.

3.Press the right arrow to select Fax Speed, and then press OK.

4.Select an option using the arrow keys, and then press OK.

Fax over the Internet

You may subscribe to a low cost phone service that allows you to send and receive faxes with your device by using the Internet. This method is called Fax over Internet Protocol (FoIP). You probably use a FoIP service (provided by your telephone company) if you:

•Dial a special access code along with the fax number, or

•Have an IP converter box that connects to the Internet and provides analog phone ports for the fax connection.

NOTE: You can only send and receive faxes by connecting a phone cord to the port labeled "1-LINE" on the device. This means that your connection to the Internet must be done either through a converter box (which supplies regular analog phone jacks for fax connections) or your telephone company.

Some Internet faxing services do not work properly when the device is sending and receiving faxes at high speed (33600bps). If you experience problems sending and receiving faxes while using an Internet fax service, use a slower fax speed. You can do this by changing the Fax Speed setting from High (the default) to Medium. For information on changing this setting, see Set the fax speed.

If you have questions about internet faxing, contact your internet faxing services support department.

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