WF-4740 User's Guide - Page 250

For C11CF75201. Also, The document are for others Epson models: WF-3720, WF-4720, WF-4730/WF

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250
LCD screen message Condition/solution
Paper Configuration is disabled.
Some features may not be available.
For details, see your documentation.
AirPrint is not available when the Paper Setup Auto Display
setting is disabled. Change the Paper Setup Auto Display
setting to On.
No dial tone is detected. Make sure the phone cable is connected correctly and the
phone line works. If you connected the product to a PBX (Private
Branch Exchange) phone line or Terminal Adapter, change the
Line Type setting to PBX. If you still cannot send a fax, turn off
the Dial Tone Detection setting. (Turning off the Dial Tone
Detection setting may cause the product to drop the first digit of
a fax number.)
The combination of the IP address
and the subnet mask is invalid. See
your documentation for more details
There is a problem with the network connection to your product.
Set up your product on the network again.
To use cloud services, update the
root certificate from the Epson Web
Config utility
Access the Web Config utility and update the cloud service root
certificate.
Check that the printer driver is
installed on the computer and that
the port settings for the printer are
correct.
Make sure the printer port is correctly configured. In Windows,
make sure the port is set to a USBXXX setting for a USB
connection or EpsonNet Print Port for a network connection.
Check that the printer driver is
installed on the computer and that
the USB port settings for the printer
are correct.
Recovery mode An error has occurred during firmware updating. Connect your
product using a USB cable and try downloading the Firmware
Update from the Epson support site. If you still need help,
contact Epson for support.
Parent topic: Solving Problems
Related tasks
Checking for Software Updates
Connecting a Telephone or Answering Machine
Using AirPrint
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