Canon 4204B019AA User Manual page 45

Note
If a telephone is connected to the machine, the telephone will ring when a call incomes.
When DRPD or Network switch is selected:
When the call is a fax:
The telephone will ring when a call incomes.
The machine will receive the fax automatically when the fax ring pattern is detected.
Note
Other options
Change the number of times to ring the telephone.
See
Settings for Receiving Faxes
When the call is a voice call:
The telephone will ring when a call incomes.
When the machine does not detect the fax ring pattern, the telephone will continue ringing.
Pick up the handset, and talk on the telephone.
(1)
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