HP LaserJet Pro 300 Color MFP M375 - Manual (Page 234)

d. Open the Dial Prefix menu.
e. Select the On setting.
NOTE: To send a fax without a prefix, when the Dial Prefix option is turned on, send the fax
manually.
● Send a fax to an international number
a. If a prefix is required, manually dial the telephone number with the prefix.
b. Enter the country/region code before dialing the phone number.
c. Wait for pauses as you hear the tones on the phone.
d. Send the fax manually from the control panel.
Unable to send a fax when a phone is connected to the product
● Make sure that the telephone is hung up.
● Make sure that the telephone is not being used for a voice call when faxing.
● Unplug the phone from the line, and then try sending the fax.
218 Chapter 12 Fax ENWW