Re: Officejet 4620 fails fax test report

Hello there malvernblue59,

Welcome to the Forums:)

I'm sorry to hear about the troubles you are having with your fax set up on your Officejet 4620. My best suggestions would be to try lowering the fax speed to medium or slow, and if that does not work for you, to contact the local HP Support as they would have more information about the BT6 adapter cable.

1. On the product control panel, press the Setup button ( ).
2. Press the button ( ) next to the Down Arrow ( ) until Fax Setup displays next to OK , and then press the button next to OK .
3. Press the button next to the Down Arrow ( ) until Advance Setup displays next to OK , and then press the button next to OK .
4. Press the button next to the Down Arrow ( ) until Fax Speed displays next to OK , and then press the button next to OK .
5. Press the button next to the Down Arrow ( ) until the desired speed (medium or slow) displays next to OK , and then press the button next to OK
   
   (Referenced from Cannot Send or Receive Faxes)
   

Here is a link to an article I have located about setting up fax in the UK: Setting up your fax in an analog line in United Kingdom

Contact HP - Phone Assist

All the best,