Question about HP 640 Inkjet Fax Machine

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Can't get this fax machine to work with my answering machine

I have an answering machine that is NOT connected to the fax machine. I am trying to figure out how to set the MODE/ RINGS TO ANSWER to work so that if a phone call comes in the answering machine will get it and if a fax comes in the fax machine will receive it. I can't get them to work at the same time.

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  • Anonymous Jun 11, 2008

    I have the same problem--just bought the machine. Did you ever figure it out? I thought that it may be because I have voice mail.

  • Anonymous Jun 11, 2008

    I just bought the 640--I can't get the distinctive ring to work properly--I called HP and spoke with 4 different people and still can't get it to work right. Any ideas?

  • Sangie04 Sep 28, 2008

    I have the very same problem with an answering machine and the fax machine not being able to separate which should pick up. My answering machine is not hooked up to the fax machine either.

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I have the same problem. I can send a fax, but if I try to receive a fax, the distinctive ring goes off, and it says RECEIVE on the display, but it doesn't receive anything, and there is nothing in the memory. Any ideas? PLEASE HELP!!!!!

Posted on Aug 08, 2008

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Connect the telephone line of the answering machine from the series connection of the facts machine
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>first run fax test, press set up go to tools menu then select run fax test,all entries should be pass
>then check your connections, do you have one line or number for your fax and phone?or a separate line or another number for fax and another number for phone?
>let me assume you only have one number for fax and phone..
>check connections, this should be downstream connection, the fax machine using the black phone cord provided by hp should be connected directly to the phone jack using line 1 at the back of the fax and the answering machine or the telephone should be connected to ext 2 or line 2 at the back of the fax...there should be no other devices phone or answering machine connected directly to the phone jack.
>next set rings to answer on the fax machine higher than the answering machine...if your rings to answer on answering machine is 4 rings, set the fax to 6 rings...if it is a voice call the answering machine will pick it up at 4 rings then if it detects that it it a fax tone then it will transfer the call to fax.
>also check if auto answer is on in your fax
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Hi,

If you are using the same phone line as your fax, you can start by connecting the answering machine on Line2 or 2-Ext at the back of the fax. Set the fax to answer on two rings higher than the Answering Machine. (for example: if answering maching is 4 rings, fax is 6 rings)

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Hi there,

It is your phone answering machine that must pick up in three rings or less.

Therefore 4 is too much. I would not limit number for fax machine itself.

On receipt of fax sometimes seems like it will not work when answering machine picks up in the middle. However, leave it and it will work. Sometimes sender will hear your answering machine and cancel as well. So try to ensure they don't give up at other end as well.

Good Luck!

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Make sure the Auto Answer light on the All-In-One is on. When a ring is detected, the answering machine picks up the call.
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