HP LaserJet Pro 400 MFP M425 - The product uses a fax over IP or VoIP phone service

The product uses a fax over IP or VoIP phone service

●

Set the

Fax Speed

option to the

Slow(V.29)

or

Medium(V.17)

setting, or disable the

Fast(V.34)

setting.

a.

From the Home screen on the product control panel, touch the Setup button.

b.

Open the

Fax Setup

menu.

c.

Open the

Advanced Setup

menu.

d.

Open the

Fax Speed

menu.

e.

Select the correct setting.

●

Contact your service provider to make sure that fax is supported and for a recommended fax speed

settings. Some companies might require an adapter.