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Got a canon Fax B820. Can receive on it and make telephone calls but when try to send it says 'you are not registered to use this service contact your service provider'. BT say nothing wrong with line. If plug into a different telephone number/line it works fine

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You can use both and fax simutaneously put in tel fax mode and increase receiveng incoming ring

Posted on Jul 01, 2008

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Posted on Jan 02, 2017

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Can i download a manual for canon b820

You can send me an email to and I will send you this manual right away. Please put "Canon Fax B820" as the subject.

Mar 06, 2012 | Canon FAX-B820 Plain Paper Bubblejet

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Where to buy the ink jet for the model cannon Fax-B820

Please go to the web site of Canon and under the support, type your printers details and then you can locate the nearest service centers near your residence. Contact them and they will help you to get the required stuff.

Jan 27, 2011 | Canon FAX-B820 Plain Paper Bubblejet

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How do I copy on a canon fax B820

Insert the original in the paper document feeder,press the start button twice

Oct 13, 2009 | Canon FAX-B820 Plain Paper Bubblejet

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Cannot receive faxes

Make sure that the telephone line from the wall is plugged into "LINE" and not "PHONE" on the fax machine. You might also call the fax number from a different phone to see if you can hear the fax tones.

Aug 20, 2009 | Canon FAXPHONE L80 Laser

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Canon MP830 - Outgoing fax dialing not connecting

Are you plugged into the LINE port of the fax machine?

Oct 21, 2008 | Canon FAX-B820 Plain Paper Bubblejet

2 Answers

Copying and fax sending problem

  1. Just check & clean the dust in the original feeding area.
  2. if not solved, clean the Document feed sensor or replace the same. But for this you need to open the body of the fax machine.

Mar 11, 2008 | Canon FAX-B820 Plain Paper Bubblejet

1 Answer

Problems sending faxes with B820

make sure it says doc ready before pressing start!

Feb 28, 2008 | Canon FAX-B820 Plain Paper Bubblejet

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Incoming telephone calls

Refer to your manual. It may be under RX(recieve settings). Go disable FAX/Tel SW and make sure it is fax mode only

Jan 11, 2007 | Canon FAX-B820 Plain Paper Bubblejet

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