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If you use one of the following, setting the fax speed to a slower speed might be required:
• 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, try using a lower Fax Speed.
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
1. Touch
(right arrow), and then touch Setup.
2. Touch Fax Setup, and then touch Advanced Fax Setup.
3. Touch Fax Speed.
4. Touch to select an option.
Set the fax sound volume
Use this procedure to increase or decrease the volume of the fax sounds.
To set the fax sound volume
1. Touch
(right arrow), and then touch Setup.
2. Touch Fax Setup, and then touch Basic Fax Setup.
3. Touch Fax Sound Volume.
4. Touch to select Soft, Loud, or Off.
Fax and digital phone services
Many telephone companies provide their customers with digital phone services, such as
the following:
• DSL: A Digital subscriber line (DSL) service through your telephone company. (DSL
might be called ADSL in your country/region.)
• PBX: A private branch exchange (PBX) phone system.
• ISDN: An integrated services digital network (ISDN) system.
• FoIP: A low-cost phone service that allows you to send and receive faxes with your
printer by using the Internet. This method is called Fax over Internet Protocol (FoIP).
For more information, see
Fax over Internet Protocol.
HP printers are designed specifically for use with traditional analog phone services. If you
are in a digital phone environment (such as DSL/ADSL, PBX, or ISDN), you might need
to use digital-to-analog filters or converters when setting up the printer for faxing.
Fax and digital phone services 63