Error Code
477
Problem Solving
15
016-401
[Cause] The 802.1x authentication method cannot be processed.
[Remedy] Set the authentication method of the machine to the same method as set
for the authentication server.
016-402
[Cause] The authentication connection timed out.
[Remedy] Confirm the network connection and switch setting of the authentication
device physically connected to the machine via a network, and check
whether it is connected to the machine correctly.
016-403
[Cause] The root certificate did not match.
[Remedy] Confirm the authentication server and store the root certificate of the
server certificate of the authentication server into the machine.
If you cannot acquire the root certificate of the server certificate, set
[Server Certificate Verification] of [IEEE 802.1x Settings] to [Disabled] on
the touch screen.
016-404
[Cause] An internal error occurred.
[Remedy] Execute the operation again. If the error still is not resolved, contact our
Customer Support Center.
016-405
[Cause] An error occurred in the certificate stored in the machine.
[Remedy] Initialize the certificate.
For more information on initializing certificates, refer to "Delete All Certificates/Initialize
Settings" (P.164).
016-407
016-408
016-409
016-410
016-411
016-412
[Cause] There is a problem with the customized program registered on the
machine.
[Remedy] Modify the customized program and install it again.
016-450
[Cause] The SMB host name already exists.
[Remedy] Change the host name.
Refer to "Host Name" (P.200).
016-453
[Cause] Updating of the IPv6 address and host name for the DNS server failed.
[Remedy] Check whether the IP address of the DNS server is set correctly.
016-454
[Cause] Unable to retrieve the IP address from DNS.
[Remedy] Confirm the DNS configuration and IP address retrieve setting.
Refer to "Protocol Settings" (P.196).
016-455
[Cause] Connection to the SNTP server timed out.
[Remedy] Confirm the network cable connection and the IP address of the SNTP
server are correct.
Refer to"Machine Clock/Timers" (P.149).
016-456
[Cause] Received a message from the SNTP server stating that the server is not
synchronized with the standard time source.
[Remedy] Confirm the SNTP server settings.
Refer to"Machine Clock/Timers" (P.149).
Error Code Cause and Remedy
* If you cannot resolve an error despite following the instructions described in the table, contact our Customer Support
Center. The contact number is printed on the label or card attached on the machine.
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