Epson WF-7840 Series User Manual page 209

Solving Problems
❏ Windows 7
Click the start button, and then select All Programs > Epson Software > Epson Printer Connection
Checker.
2. Follow the on-screen instructions to check.
Note:
If the printer name is not displayed, install a genuine Epson printer driver.
"Checking if a genuine Epson printer driver is installed - Windows" on page 160
When you have identified the problem, follow the solution displayed on the screen.
When you cannot solve the problem, check the following according to your situation.
❏ The printer is not recognized over a network connection
"Cannot connect to a Network" on page 174
❏ The printer is not recognized using a USB connection
"The Printer Cannot Connect by USB (Windows)" on page 177
❏ The printer is recognized, but printing cannot be performed.
"Cannot Print Even Though a Connection has been Established (Windows)" on page 177
Cannot connect to a Network
The problem could be one of the following issues.
Something is wrong with the network devices for Wi-Fi connection.
Solutions
Turn off the devices you want to connect to the network. Wait for about 10 seconds, and then turn on the
devices in the following order; wireless router, computer or smart device, and then printer. Move the
printer and computer or smart device closer to the wireless router to help with radio wave
communication, and then try to make network settings again.
Devices cannot receive signals from the wireless router because they are too far apart.
Solutions
After moving the computer or the smart device and the printer closer to the wireless router, turn off the
wireless router, and then turn it back on.
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The Printer Does Not Work as Expected
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Cannot Send or Receive Faxes
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