HP Officejet Pro L7550 - Set the fax speed

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Set the fax speed

You can set the fax speed used to communicate between your device and other fax
machines when sending and receiving faxes. The default fax speed is Fast.
If you use one of the following, setting the fax speed to a slower speed might be

An Internet phone service

A PBX system

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


v.34 (33600 baud)


v.17 (14400 baud)


v.29 (9600 baud)

To set the fax speed from the control panel
Press Setup.
2. Select Advanced Fax Setup, and then press Fax Speed.
3. Select an option using the arrow keys, and then press OK.