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
.
10. Click
OK
.
11. Remove the Ethernet cable connected to the computer and the printer.
12. If you disabled IEEE802.3az for the computer in step 2, enable it.
13. Connect the Ethernet cables that you removed in step 1 to the computer and the printer.
If the problem still occurs, devices other than the printer may be causing the problem.
The Printer Cannot Connect by USB (Mac OS)
The following causes can be considered.
The USB cable is not plugged into the electrical outlet correctly.
Solutions
Connect the USB cable securely to the printer and the computer.
There is a problem with the USB hub.
Solutions
If you are using a USB hub, try to connect the printer directly to the computer.
There is a problem with the USB cable or the USB inlet.
Solutions
If the USB cable cannot be recognized, change the port, or change the USB cable.
The printer is connected to a SuperSpeed USB port.
Solutions
If you connect the printer to a SuperSpeed USB port using a USB 2.0 cable, a communication error may
occur on some computers. In this case, re-connect the printer using one of the following methods.
❏
Use a USB 3.0 cable.
❏
Connect to a Hi-Speed USB port on the computer.
❏
Connect to a SuperSpeed USB port other than the port that generated the communication error.
>
The Printer Does Not Work as Expected
>
249
Summary of Contents for WF-C878R Series
Page 20: ...Part Names and Functions Front 21 Rear 25 ...
Page 35: ...Loading Paper Paper Handling Precautions 36 Paper Size and Type Settings 37 Loading Paper 38 ...
Page 313: ...Using Optional Items List of Optional Items 314 Printer Stand 315 Paper Cassette Unit 322 ...
Page 532: ...Where to Get Help Technical Support Web Site 533 Contacting Epson Support 533 ...