My HP Officejet 5255 all-in-one keeps saying phone line in use

[Megan2020]

Why can't I fax? My fax keeps saying phone line in use send now or receive. How do I keep this from happening?

[sandytechy20]

@Megan2020

Welcome to HP support community.

Set the number of rings to answer incoming faxes:

If you have an answering machine, allow it to answer all calls first so the printer can detect the fax tones after the machine answers the call. Change the Rings to Answer setting to a higher number of rings than the answering machine is set for.

Refer page no.49 in this user guide for the steps:- Click here

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

I hope that helps.

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Cheers.