Canon PIXMA MP780 All-In-One InkJet Printer Logo
Posted on Jan 10, 2008
Answered by a Fixya Expert

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Fax is inoperative

One day fax is working and the next day it quit. I have no dial tone when I try to dial out and incoming faxes are not answered. The line is working at the wall jack and I have swaped phone cable / line too. All I hear is a click when I press the hook button on the front panel. Also, all we can locate is the quick start guide and not a main users manual that probably has a troubleshooting guide for help.
Thanks

  • 1 more comment 
  • binge Mar 23, 2008

    cannot receive a fax

  • prolation Jul 16, 2008

    I have no dial tone on this machine when dialling out, so it dials the number and then the usual beep every 5 seconds until it gives up. There is no dialt tone nor any phone ringing on the other end. Cable used is not defective as works perfectly with my telephone.




  • mgh75 Jul 31, 2008

    I have the same problem. One day I was sending and receiving faxes, the next, nothing. No dial tone out and other's faxing in cannot connect to mine. I took off the phone cord and plugged it into a regular phone and can make and receive calls.

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1 Answer

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  • Master 619 Answers
  • Posted on Jan 10, 2008
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The incoming telephone line was out of order need to call the phone maintenance to fix telephone line.

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try connecting line 2 to a simple phone and chk for dial tone.
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Sounds like it's not set to auto-answer faxes. Do you have the manual so you can see how to check that setting? If not, I can try to find it.
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Take your incoming phone line and plug it into the place that says "line" on your fax machine. Plug another phone cord into where it says "phone" and connect this to your telephone. Test to make sure you have chosen the right places by dialing a phone number to fax to and listen for the dial tone. If you get a dial tone, then you have set it up correctly.

On the fax machine look for the button that says "menu". Push it and use the up and down arrows to navigate the options on the display. Look for fax set up and press "ok" or "enter" on the fax machines keyboard to access this area. Look for "number of rings" and change the fax machine to a number of rings that is less then your voice mail box if you have one. Then close and save your choices.

Have someone send a test fax by dialing your phone number for the line connected to the machine. The fax machine will pick up on the number of rings set and automatically begin receiving and printing a copy of your incoming fax.

You cannot use magic jack.

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When sending fax, I get no dial tone, and the fax get cancelled. Thanks for your help.

Unplug the fax cable from the printer and plug the cable into a telephone. Do you get a dial tone?
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If yes, plug the wire back into the fax and call that number from a cell phone. If it rings and you get a msg on the printer console saying "incoming fax" , hang up and fax again. Did it ever work?
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The answer mode determines whether the HP Fax answers incoming calls or not.

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The HP Fax will automatically answer all incoming calls using the Rings to Answer setting. This is the default setting.

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The HP Fax automatically answers all incoming calls using the Rings to Answer setting. If the call is a fax call, the HP Fax will receive the fax. If the call is a voice call, the HP Fax will create a special ring to indicate it is a voice call. The incoming voice call will need to be answered using the attached handset.

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