Thanks for reaching out to us on HP Support Forums. 🙂 I came across your post and would like to help.
I understand that you have an HP ENVY 7640 e-All-in-One Printer and would like to turn off the fax on the printer so that it does not accept any phone calls.
To provide an accurate resolution, I need a few more details:
Are you referring to the Auto Answer feature in the printer? If yes, then you can receive faxes automatically or manually. If you turn off the Auto Answer option, you must receive faxes manually. If you turn on the Auto Answer option (the default setting), the printer automatically answers incoming calls and receives faxes after the number of rings that are specified by the Rings to Answer setting. (The default Rings to Answer setting is five rings.)
To turn off auto answer feature, please follow the below steps:
When you are on the phone, the person you are speaking with can send you a fax while you are still connected. You can pick up the handset to talk or listen for fax tones. You can receive faxes manually from a phone that is directly connected to the printer (on the 2-EXT port).
Make sure the printer is turned on and you have paper loaded in the main tray.
Remove any originals from the document feeder tray.
Set the Rings to Answer setting to a high number to allow you to answer the incoming call before the printer answers. Or, turn off the Auto Answer setting so that the printer does not automatically answer incoming calls.
If you are currently on the phone with the sender, instruct the sender to press Start on their fax machine.
When you hear fax tones from a sending fax machine, do the following:
a. From the printer control panel display, touch Fax , touch Send and Receive, and then touch Receive Now.
b. After the printer begins to receive the fax, you can hang up the phone or remain on the line. The phone line is silent during fax transmission.
For more information click here to access the user guide.
I hope this information helps. Keep me posted. Cheers! 🙂
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