The printer's Rings to Answer setting is set to less than the number of rings for your answering machine.
Solutions
Select Settings > General Settings > Fax Settings > Basic Settings > Rings to Answer, and then set a number higher than the number of rings for your answering machine.
Print Selected Pages
Preparing the Printer and Making Initial Settings
Summary of Preparing the printer and Making Initial Settings
Preparing the Printer
Protecting the Printer from Unauthorized Setting Changes
Configuring a Network Connection
Summary of the Necessary Preparations for Each Feature
Making Printer Settings
Setting from the Printer's Control Panel
Setting Using Web Config from a Computer
Setting Using Epson Device Admin from a Computer (Windows Only)
Installing Optional Items
Installing the Optional Additional Network Interface Board
Installing the Optional Wireless LAN Interface-P1
Installing the Optional Cassette Lock
Creating a Network Connection and Making Settings
Changing the Administrator Password
Changing the Administrator Password from the Control Panel
Changing the Administrator Password from the Computer
Protecting Settings Using Panel Lock
Enabling the Lock Setting from the Control Panel
Enabling the Lock Setting from a Computer
Connecting the Printer to the Network
Before Making Network Connection
Gathering Information on the Connection Setting
IP Address Assignment
DNS Server and Proxy Server
Connecting to the Network from the Control Panel
Assigning the IP Address
Setting the Proxy Server
Connecting to Ethernet
Connecting to the Wireless LAN (Wi-Fi)
Note when Using a Wi-Fi 5 GHz Connection
Making Wi-Fi Settings by Entering the SSID and Password
Making Wi-Fi Settings by Push Button Setup (WPS)
Making Wi-Fi Settings by PIN Code Setup (WPS)
Selecting the Network Transmission Route (When Using an Additional Network)
Troubleshooting Network Connections
Printing a Network Connection Report
Cannot Connect to the Network
Troubleshooting the Additional Network Connections
Messages and Solutions on the Network Connection Report
E-1
E-2, E-3, E-7
E-5
E-6
E-8
E-9
E-10
E-11
E-12
E-13
Message on the Network Environment
Preparing and Setting Up the Printer According to Use
Setting Available Optional Items
Setting Available Optional Items - Windows
Setting Available Optional Items - Windows PostScript
Setting Available Optional Items - Mac OS
Setting Available Optional Items - Mac OS PostScript
Registering an Email Server
Checking an Email Server Connection
Mail Server Connection Test References
Creating a Network Folder
Using Microsoft Network Sharing
Solving Problems for a Shared Network Folder
Cannot Save Scanned Images to the Shared Folder
Messages are Displayed on the Control Panel when Scanning to a Network Folder
Saving the Scanned Images Takes a Long Time
Contacts Registration
Contacts Configuration Comparison
Registering Destinations to Contacts
Registering a Destination to Contacts from Web Config
Destination Setting Items
Registering a Destination to Contacts from the Printer's Control Panel
Registering Destinations as a Group
Registering Destinations as a Group from Web Config
Registering Destinations as a Group from the Printer's Control Panel
Registering Destinations to Contacts (When Optional Fax Boards are Installed)
Registering a Recipient to the Contacts from Web Config (When Optional Fax Boards Installed)
Registering a Destination to Contacts from the Printer's Control Panel (When Optional Fax Boards are Installed)
Registering Destinations to Contacts (when Using IP Fax)
Registering a Destination to Contacts from Web Config (when Using IP Fax)
Registering a Destination to Contacts from the Printer's Control Panel (when Using IP Fax)
IP Fax Destination
Registering Frequently Used Contacts (Assign to Frequent Use)
Registering Frequently Used Contacts from Web Config
Registering Frequently Used Contacts from Printer's Control Panel
Exporting and Importing Contacts
Exporting and Importing Contacts Using Web Config
Importing Contacts Using Web Config
Exporting Contacts Using Web Config
Exporting and Importing Contacts Using Epson Device Admin
Exporting Contacts Using Epson Device Admin
Importing Contacts Using Epson Device Admin
Settings to use Your Cloud Service as Forwarding Fax Destinations
Settings to Use Users Information on the LDAP Server as Destinations
Selecting a Network that has the LDAP Server (When Using an Additional Network)
Configuring the LDAP Server
LDAP Server Setting Items
Kerberos Settings
Configuring the LDAP Server Search Settings
LDAP Server Search Setting Items
Checking the LDAP Server Connection
LDAP Server Connection Test References
Sending Faxes Using a Fax Server
Settings for Printing, Scanning, Copying and Faxing
Initial Settings for Printing
Using the Print Functions
Printer Connection Types
Peer to Peer Connection Settings
Server / Client Connection Settings
Print Settings for Peer to Peer Connection
Print Settings for Server / Client Connection
Setting Up the Network Ports
Checking the Port Configuration - Windows
Sharing the Printer (Windows only)
Installing Additional Drivers (Windows only)
Using the Shared Printer – Windows
Setting the Paper Source
Setting the Printout Destination When Using the Staple Finisher
Setting the Interface
Setting Errors
Setting Universal Print
Basic
PDL Print Configuration
Setting Up Universal Print (Microsoft)
Setting Up AirPrint
Preparing Scanning or Copying
Setting the Copy Output Destination When Using the Staple Finisher
Preparing to Scan
Preparing to Scan from the Control Panel
Preparing to Scan to Network Folder/FTP Feature
Preparing to Scan to Email Feature
Preparing to Scan to Computer Feature
Preparing to Scan to Memory Device Feature
Preparing to Scan to Cloud Feature
Preparing to Scan to Storage Feature
Preparing to Scan to WSD Feature
To Send by Email
Using Document Capture Pro Server
Setting Server Mode
Scanning From a Computer
Software to be installed
Confirming that Network Scan is Enabled
Making Fax Features Available (Fax-Capable Printers Only)
Before Using Fax Features
Connecting the Printer to a Phone Line
Compatible Telephone Lines
Connecting the Printer to a Phone Line
Connecting to a Standard Phone Line (PSTN) or PBX
Connecting to DSL or ISDN
Connecting Your Phone Device to the Printer
Making the Printer Ready to Send and Receive Faxes
Making the Printer Ready to Send and Receive Faxes Using Fax Setting Wizard
Making Settings for the Printer's Fax Features According to Use
Settings for a PBX Phone System
Making Settings to Use the Access Code as it is when Dialing an External Line
Making Settings to Send Faxes Using External Access Code (#)
Making Settings When You Connect a Phone Device
Making Settings to Use an Answering Machine
Making Settings to Receive Faxes Operating Only a Connected Phone
Setting the Printout Destination when Receiving Faxes
Settings to Save and Forward Received Faxes
Saving Settings to Receive Faxes
Forwarding Settings to Receive Faxes
Settings to Save and Forward Received Faxes with Specific Conditions
Saving Settings to Receive Faxes with Specific Conditions
Forwarding Settings to Receive Faxes with Specific Conditions
Making Settings for Blocking Junk Faxes
Behavior for Rejecting Faxes
Making Settings to Send and Receive Faxes on a Computer