Lexmark 21B4400 User's Guide - Page 34
Setting up to fax while behind a PBX, Productivity Studio, Fax History and Settings
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2 Connect one telephone cord to the LINE port of the printer, and then plug it into an active telephone wall jack. 3 Remove the protective plug from the EXT port of the printer. 4 Connect the other telephone cord to a telephone, and then plug it into the EXT port of the printer. Setting up to fax while behind a PBX If the printer is being used in a business or office, it may be connected to a Private Branch Exchange (PBX) telephone system. Ordinarily, when dialing a fax number, the printer waits to recognize the dial tone and then dials the fax number. However, this method of dialing may not work if the PBX telephone system uses a dial tone that is not recognizable to most fax machines. The "Dialing while behind a PBX" feature enables the printer to dial the fax number without waiting to recognize the dial tone. 1 From the desktop, double-click the Productivity Studio icon. 2 From the Settings area of the Welcome Screen, click Fax History and Settings. Setting up the printer 34
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