Epson WF-M21000 Series User Manual page 254

Solving Problems
2. Check that the printer name is displayed on the home screen.
When the printer name is displayed, a connection has been successfully established between the smart device
and the printer.
If the following are displayed, a connection has not been established between the smart device and the printer.
❏ Printer is not selected.
❏ Communication error.
Check the following if a connection has not been established.
"Cannot connect to a Network" on page 254
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.
When changing the wireless router, the settings do not match the new router.
Solutions
Make the connection settings again so that they match the new wireless router.
"When Replacing the Wireless Router" on page 307
&
The SSIDs connected from the computer or smart device and computer are different.
Solutions
When you are using multiple wireless routers at the same time or the wireless router has multiple SSIDs
and devices are connected to different SSIDs, you cannot connect to the wireless router.
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The Printer Does Not Work as Expected
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Cannot Start Scanning
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