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Troubleshooting
Wi-Fi Direct Problems
Scanner Driver/Printer Utility Problems
Wireless Problems
Problem Action
The device cannot discover the printer. The printer may be connected to another device via Wi-Fi Direct. Disconnect the
printer and the device. See "Disconnecting Wi-Fi Direct Network" on page 183.
The printer cannot disconnect from the
device even when the procedure in
"Disconnecting Wi-Fi Direct Network" has
been performed.
The device may be automatically reconnecting to the printer. Reset the passphrase
for Wi-Fi Direct and disconnect the device. See "Resetting the Passphrase" on
page 184.
The network mode of the printer cannot be
set to
Ad-hoc
.
Ensure that
Wi-Fi Direct
is set to
Disable
.
Wi-Fi Direct
cannot be set to
Enable
.
Ensure that the network mode is set to
Infrastructure
.
Problem Action
Unable to retrieve the Address Book data
from the printer on the Address Book
Editor.
Ensure that your computer and the printer is properly connected with the
Ethernet or USB cable.
Ensure that the printer’s power is on.
Ensure that the printer driver is installed on your computer.
(The Address Book Editor retrieves the Address Book data via the printer driver.)
The TWAIN driver cannot connect to the
printer.
Ensure that your computer and the printer is properly connected with the
Ethernet or USB cable.
Check whether the printer is on. If the printer is on, reboot it by turning the power
switch off and then on again.
If a scan application is running, close the application once, restart the application,
and then try scanning again.
Problem Action
Cannot setup wireless connection. Ensure that the Ethernet cable is disconnected from the printer.
Ensure that
Wi-Fi
is set to
On
. See "Wi-Fi" on page 142.
Try disabling the firewall on your computer. The firewall on your computer may be
blocking communication with your printer.
Cannot setup wireless connection with WPS
(Wi-Fi Protected Setup
®
).
Ensure that the security setting of the wireless LAN access point or router is WPA
or WPA2. (WEP is not supported on WPS.)
Cannot setup wireless connection with the
WPS-PBC (Wi-Fi Protected Setup-Push
Button Configuration).
Press the WPS button on the wireless LAN access point or router within 2 minutes
after starting the WPS operation on the printer. For details about the wireless LAN
access point or router, refer to the manual supplied with the wireless LAN access
point or router.
Cannot setup wireless connection with
WPS-PIN (Wi-Fi Protected Setup-Personal
Identification Number).
Check if the PIN you have entered on the computer is correct.