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Lexmark CX920

Lexmark CX920

Setting up fax using VoIP telephone service

CAUTION—SHOCK HAZARD:  To avoid the risk of electrical shock, do not set up this product or make any electrical or cabling connections, such as the power cord, fax feature, or telephone, during a lightning storm.

CAUTION—SHOCK HAZARD:  To avoid the risk of electrical shock, do not use the fax feature during a lightning storm.

CAUTION—POTENTIAL INJURY:  To reduce the risk of fire, use only a 26 AWG or larger telecommunications (RJ-11) cord when connecting this product to the public switched telephone network. For users in Australia, the cord must be approved by the Australian Communications and Media Authority.

  1. Connect one end of the telephone cable to the line port of the printer.

  2. Connect the other end of the cable to the port labeled Phone Line 1 or Phone Port on the VoIP adapter.

    Note:  The port labeled Phone Line 2 or Fax Port is not always active. VoIP providers may charge extra cost for the activation of the second telephone port.

  3. Connect the telephone to the telephone port of the printer.

Notes:

  • To check if the telephone port on the VoIP adapter is active, plug an analog telephone into the port, and then listen for a dial tone.
  • If you need two telephone ports for your devices, but do not want to pay extra cost, then use a phone splitter. Plug the phone splitter into the port labeled Phone Line 1 or Phone Port, and then plug the printer and telephone into the splitter.
  • To check the splitter, plug an analog telephone into the splitter, and then listen for a dial tone.
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