Fax indicates phome line in use but it''s not. Same message with phone line disconnected.

[jorgie]

I do have a line just for the fax.

[sandytechy20]

@Adamsmith6967

Welcome to HP support community.

Turn off the error correction on the printer

1. From the Home screen, touch (right arrow), and then select Setup.

2. Touch Fax Setup and then select Advanced Fax Setup.

3. Select Error Correction Mode

4. Select On or Off

You can refer this HP document for more assistance:- Click here

I hope that helps.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.

 Cheers.