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.
See the following to connect the printer to the SSID.
&
“Making Wi-Fi Settings by Entering the SSID and Password” on page 292
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.
2.
When IEEE802.3az for the computer is enabled, disable it.
See the documentation provided with the computer for details.
3.
Connect the computer and the printer with an Ethernet cable directly.
4.
On the printer, print a network connection report.
“Printing a Network Connection Report” on page 305
5.
Check the printer's IP address on the network connection report.
6.
On the computer, access Web Config.
Launch a Web browser, and then enter the printer's IP address.
“Running Web Config on a Web Browser” on page 348
7.
Select the
Network Settings
tab >
Wired LAN
.
8.
Select
OFF
for
IEEE 802.3az
.
9.
Click
Next
.
>
The Printer Does Not Work as Expected
>
216
Содержание WF-C878R Series
Страница 20: ...Part Names and Functions Front 21 Rear 25 ...
Страница 35: ...Loading Paper Paper Handling Precautions 36 Paper Size and Type Settings 37 Loading Paper 38 ...
Страница 99: ...Copying Available Copying Methods 100 Basic Menu Options for Copying 104 Advanced Menu Options for Copying 106 ...
Страница 313: ...Using Optional Items List of Optional Items 314 Printer Stand 315 Paper Cassette Unit 322 ...
Страница 442: ...3 Click Edit Administrator Information Settings to Use the Printer Setting a Shared Network Folder 442 ...
Страница 532: ...Where to Get Help Technical Support Web Site 533 Contacting Epson Support 533 ...