Epson SureColor SC-P906 User Manual page 130

Solving Problems
A privacy separator on the wireless router is available.
Solutions
Most wireless routers have a privacy separator feature that blocks communication between connected
devices. If you cannot communicate between the printer and the computer or smart device even if they
are connected to the same network, disable the privacy separator on the wireless router. See the manual
provided with the wireless router for details.
The IP address is incorrectly assigned.
Solutions
If the IP address assigned to the printer is 169.254.XXX.XXX, and the subnet mask is 255.255.0.0, the IP
address may not be assigned correctly.
Select > General Settings > Network Settings > Advanced on the printer's control panel, and then
check the IP address and the subnet mask assigned to the printer.
Restart the wireless router or reset the network settings for the printer.
"Re-setting the Network Connection" on page 157
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There is a problem with the network settings on the computer.
Solutions
Try accessing any website from your computer to make sure that your computer's network settings are
correct. If you cannot access any website, there is a problem on the computer.
Check the network connection of the computer. See the documentation provided with the computer for
details.
The device connected to the USB 3.0 port causes radio frequency interference.
Solutions
When you connect a device to the USB 3.0 port on a Mac, radio frequency interference may occur. Try
the following if you cannot connect to wireless LAN (Wi-Fi) or if operations become unstable.
❏ Place the device that is connected to the USB 3.0 port further away from the computer.
❏ Connect to the SSID for the 5 GHz range.
"Making Wi-Fi Settings by Entering the SSID and Password" on page 161
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The printer has been connected by Ethernet using devices that support IEEE802.3az (Energy
Efficient Ethernet).
Solutions
When you connect the printer by Ethernet using devices that support IEEE802.3az (Energy Efficient
Ethernet), the following problems may occur depending on the hub or router that you are using.
❏ Connection becomes unstable, the printer is connected and disconnected again and again.
❏ Cannot connect to the printer.
❏ The communication speed becomes slow.
Follow the steps below to disable IEEE802.3az for the printer and then connect.
1. Remove the Ethernet cable connected to the computer and the printer.
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The Printer Does Not Work as Expected
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Cannot Print
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