HL-L6400DW
Error Messages Cause Action
A device is
already connected.
Press [OK].
Two mobile devices are already
connected to the Wi-Fi Direct
network when the Brother
machine is the Group Owner
(G/O).
After the current connection between your Brother
machine and another mobile device has shut down, try to
configure the Wi-Fi Direct settings again. You can
confirm the connection status by printing the Network
Configuration Report.
Authentication
error, contact
your
administrator.
Your authentication setting for
the Store Print Log to Network
feature is not correct.
• Make sure the Username and Password in
Authentication Setting are correct. If the username
is part of a domain, enter the username in one of the
following styles: user@domain or domain\user.
• Make sure the SNTP time server settings are
configured correctly so the time matches the time
used for authentication by Kerberos or NTLMv2.
Check User ID and
Password.
The Kerberos Authentication
error.
Make sure you have entered a correct user name and a
password for the Kerberos server. For more information
on the Kerberos server settings, contact your network
administrator.
The date, time and time zone
settings of the Brother machine
are not correct.
Confirm your machine's date, time and time zone
settings.
The DNS server configuration is
not correct.
Contact your network administrator for the information on
the DNS server settings.
The Brother machine cannot
connect to the Kerberos server.
Contact your network administrator for the information on
the Kerberos server settings.
Connection Error
Other devices are trying to
connect to the Wi-Fi Direct
network at the same time.
Make sure there are no other devices trying to connect to
the Wi-Fi Direct network, and then try to configure the
Wi-Fi Direct settings again.
Connection Failed
The Brother machine and your
mobile device cannot
communicate during the Wi-Fi
Direct network configuration.
• Move the mobile device closer to your Brother
machine.
• Move your Brother machine and the mobile device to
an obstruction-free area.
• If you are using the PIN Method of WPS, make sure
you have entered the correct PIN.
File access error,
contact your
administrator.
The Brother machine cannot
access the destination folder for
the Store Print Log to Network
feature.
• Make sure the stored directory name is correct.
• Make sure the stored directory is write-enabled.
• Make sure the file is not locked.
Log Access Error
In Web Based Management,
you have selected the Cancel
Print option in the Error
Detection Setting of Store
Print Log to Network.
Wait for about 60 seconds until this message disappears
from the LCD.
No Device
When configuring the Wi-Fi
Direct network, the Brother
machine cannot find your
mobile device.
• Make sure your machine and mobile device are in the
Wi-Fi Direct mode.
• Move the mobile device closer to your Brother
machine.
• Move your Brother machine and the mobile device to
an obstruction-free area.
• If you are manually configuring the Wi-Fi Direct
network, make sure you have entered the correct
password.
• If your mobile device has a configuration page for
how to obtain an IP address, make sure the IP
address of your mobile device has been configured
via DHCP.
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