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Telephone line interference

If you are having difficulty sending or receiving a fax due to possible interference on the telephone line, we recommend that you adjust the Equalization for compatibility to reduce the modem speed for fax operations.
1
Press Menu, 2, 0, 1.
2
Press Bsymbol.utri or Bsymbol.dtri to choose Basic(for VoIP), Normal or High.
•
Basic(for VoIP) cuts the modem speed to 9600 bps and turns the error correction mode (ECM) off.
For a standard telephone line: If you regularly experience interference on your standard telephone line try this setting.
If you are using VoIP: VoIP service providers offer fax support using various standards. If you regularly experience fax transmission errors try this setting.
•
Normal sets the modem speed at 14400 bps.
•
High sets the modem speed at 33600 bps.
Press OK.
3
Press Stop/Exit.
Note Note
When you change the Compatibility to Basic(for VoIP), the ECM feature is only available for color fax sending.
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