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I'm in Michigan, my hp officejet pro7780 is in Florida --- all I want to know is where do I tell my 80 year old mother to plug in the phone cable so we may fax? --- In the bottom port or in the next up from the bottom port? Thanks, Dona

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It should say LINE or L1 on the port. NOT the picture of a telephone

Posted on Sep 01, 2008

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1 Answer

I have hp 6500 a plus wireless what phone cord I need to work fo that

For any RJ !! type cable/cord may be used and connect to the printer where marked LINE.

Feb 24, 2015 | HP Officejet 6500A Plus

1 Answer

I cannot get my fax machine to work, I have had this printer allinone for a couple years and it all work great but I cannot get the fax to work now that I need it and the phone company is telling me it is...

Your problem is not clear, all I get is it is a HP, it is a couple of years old and it doesn't work?

Do you have it connected to a good phone line? Just because it is there in the wall doesn't make it good.
Is the fax end of the cable plugged into the LINE port on the machine?
Is the cable good?
Can you phone the machine?
Does it ring?
Does it have a hand set?
Can you call out on it?
If you put paper in the feeder, does it draw it in?
Does it let you dial a number?
Does it try to send?
If it fails, what is the message on the screen?
Run through these steps and if it still doesn't work contact us for the next steps.

Hope this is of some help.

Apr 30, 2009 | Office Equipment & Supplies

1 Answer

FAX machine hook up and operation

You need a RJ-11 phone cord and a USB A/B cable.

Once you have it hooked up go to in the printer suppot area. HP will download the printer drivers automatically.

Dec 26, 2008 | HP Office Equipment & Supplies

1 Answer

Cannot receive or send faxes, the telephone line is working ok.I have a hp officejet 6100 series all-in-one


Try unplugging the machine for 10 seconds, normally HP's will tell you if the have a bad modem ("checking phone line").

Plug a regular phone into the wall jack and listen for a dial tone also make sure the phone cord is plugged into the LINE port of the fax not the phone icon port.

Oct 02, 2008 | HP Office Equipment & Supplies

1 Answer

Fax machine

1)Disconnect the power cord from the rear of the HP Fax machine.
2)Verify that the phone cable is fully inserted into the fax machine. If your model has a removable Line Interface Unit (LIU) where the phone line plugs into, verify that it is securely snapped in place.
3)If the HP Fax model belongs to the HP Officejet R80 Series , verify that the cable which goes from the Automatic Document Feeder assembly to the rear of the HP All-in-One base is connected.
4)Reconnect the power cord.After the fax reinitializes and it is ready, try to send and receive faxes again.

Sep 15, 2008 | Office Equipment & Supplies

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