Canon MX520 series Fax Manual page 72

If you want to specify the number of times the external device rings in TEL priority mode, select FAX
only mode on the Receive mode settings screen, specify the number of times the external device
rings with Incoming ring, then switch to TEL priority mode on the Receive mode settings screen.
If you subscribe to Duplex Ringing service in Hong Kong, we recommend that Manual/auto switch
be set to OFF.
Advanced setting in FAX only mode
You can specify the following setting item.
• Incoming ring
You can specify the number of times the external device rings when incoming.
Advanced setting in DRPD
You can specify the following setting items.
• DRPD: FAX ring pattern
Sets the distinctive ring pattern of a call that the machine assumes is a fax call.
If you subscribe to a DRPD service, set the ring pattern to match the pattern assigned by your
telephone company.
• Incoming ring
You can specify the number of times the external device rings when incoming.
Advanced setting in Network switch
You can specify the following setting item.
• Incoming ring
You can specify the number of times the external device rings when incoming.