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Before turning the ECM setting off, consider the following. If you turn ECM off:
• The quality and transmission speed of faxes you send and receive are affected.
•The Fax Speed is automatically set to Medium.
• You can no longer send or receive faxes in color.
To change the ECM setting from the control panel
1.
From the Home screen, press the
(Setup) button.
2. Using the buttons on the right, scroll to and select Fax Setup, select Advanced
Setup, and then select Error Correction Mode.
3. Scroll to and select On or Off, and then press the button to the right of OK.
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.
NOTE: HP does not guarantee that the printer will be compatible with all digital
service lines or providers, in all digital environments, or with all digital-to-analog
converters. It is always recommended that you discuss with the telephone company
directly for the correct setup options based on their line services provided.
Fax over Internet Protocol
You might be able to subscribe to 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).
You probably use a FoIP service (provided by your telephone company) when 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 printer. 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.
Chapter 5
64 Fax