Setting up fax using a standard telephone line | Lexmark MX321
Canon Knowledge Base - Connect the answering machine to the fax machine-IC D/PC 1000 Series
Canon : PIXMA/MAXIFY Manuals : Setting Up the FAX
Connecting a Telephone or Answering Machine
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Amazon.com : AT&T TL86103 2-Line Corded/Cordless for Small Business with Answering Machine, 2-Mailboxes, Connect-to-Cell, Caller ID Announcer, Intercom, Line-power, Long Range & Expandable to 12 Handsets : Office Products
Case I: Shared voice/fax line with answering machine - HP Officejet Pro 8600
How to Set Up a Fax When You Have a Single Line Telephone Connection
Case I: Shared voice/fax line with answering machine - HP Officejet Pro 8600