HP LaserJet Pro M1536dnf MFP SERIES - Manual (Page 181)

Sender receives a busy signal
A handset is connected to the product
● Make sure the phone is hung up.
● Change the Answer Mode option to match the product setup.
a. Open the Setup menu.
b. Open the Fax Setup menu.
c. Open the Basic Setup menu.
d. Open the Answer Mode menu.
e. Select the setting that matches the product setup.
Set the Answer Mode option to the Fax/Tel setting to automatically receive faxes. The Fax/
Tel setting automatically detects whether the incoming transmission is a fax or a voice call
and routes the call to the appropriate device.
A phone line splitter is being used
● If you are using a phone line splitter, remove the splitter and set up the phone as a downstream
phone.
● Make sure the phone is hung up.
● Make sure the phone is not being used for a voice call when faxing.
No dial tone
● If using a phone line splitter, remove the phone line splitter and set up the phone as a downstream
phone.
Cannot send or receive a fax on a PBX line
● If you are using a PBX phone line, contact your PBX administrator to configure an analog fax line
for your product.
ENWW Solve fax problems 167