Epson WorkForce WF-7830 Series User Manual page 149

Solving Problems
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 (Windows)
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.
Cannot Print Even Though a Connection has been Established (Windows)
The following causes can be considered.
There is a problem with the software or data.
Solutions
❏ Make sure that a genuine Epson printer driver (EPSON XXXXX) is installed. If a genuine Epson
printer driver is not installed, the available functions are limited. We recommend using a genuine
Epson printer driver.
❏ If you are printing a large data size image, the computer may run out of memory. Print the image at a
lower resolution or a smaller size.
❏ If you have tried all of the solutions and have not solved the problem, try uninstalling and then
reinstalling the printer driver.
❏ You may be able to clear the problem by updating the software to the latest version. To check the
software status, use the software update tool.
"Checking if a genuine Epson printer driver is installed - Windows" on page 133
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The Printer Does Not Work as Expected
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Cannot Print
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