Konica Minolta magicolor 2590MF - Manual (Page 174)

Configuring the Printer 164
Fax Configuration - Communication Setting
In the Fax/E-mail - Fax Configuration - Communication Setting page, fax
communication settings can be specified.
Item Description
Tone/Pulse Select the dialing system. If this function is not correctly
set to the type of dialing system used, faxes cannot be
sent.
Select the correct setting after checking which type of
dialing system is used by your telephone line.
Choices:
Tone, Pulse 10PPS, Pulse 20PPS
Default: Tone
Configuration Menu Equivalent:
COMM.SETTING - TEL LINE TYPE
"
On models for the USA, Canada, and New
Zealand, the pulse value cannot be changed.