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Canon VoIP Fax Settings


Faxing over VoIP with Canon Fax Machines.

Faxing with Canon machines over VoIP can have a higher success rate by doing the following settings.  Set the Baud rate to 9600 for a slower speed and turn off or disable ECM (Error Correction Mode) VoIP Mechanic recognizes that not every fax machine comes with implicit easy to find instructions for slowing down the BAUD rate to 9600.  We have accumulated some information on the following Canon Fax and Multi-function machines, the Canon C855, the imageclass D780, the Canon B140, B120 and the B115.Instructions to make many Canon Fax machines work over VoIP.                                                                                     

Lowering both the Baud rate and disabling ECM on a Canon C855

*You may find that these directions will work with other Canon fax machines or be close enough to find the correct TX and RX Start Speeds.


Disabling ECM and Lowering the Baud rate on Canon imageCLASS D780

Under Fax Settings which can differ depending on exact machine navigate to Additional Functions, which will display the menus.  The Additional Function Key will Blink.  Use the Left (-) and Right (+) arrow to select the menu you want, in this case Fax Settings.  Press Set. 

Note as you navigate through the menu the default settings that are set on the fax will be in Bold.

 

Disabling ECM and Lowering the Baud rate on Canon Fax B140, B120 & B115

Disabling ECM on a Canon Fax/Phone B95.

Lowering the Baud rate on a Canon

Fax Phone B95.

You may find that these directions will work with other Canon fax machines or be close enough to find the correct TX and RX Start Speeds.