Canon MF269dw User Manual page 82

If the machine does not automatically set the type of telephone line
Follow the procedure below to set the type of telephone line. If you are not sure of the type of phone line you
are using, contact your local telephone company. <Select Line Type> may not be available depending on the
country where you are using the machine.
<Menu>
line
LINKS
Basic Operations for Sending Faxes(P. 195)
Receiving Faxes(P. 203)
Setting Up
<Fax Settings> <Basic Settings> <Select Line Type>
75
Select the type of telephone