Troubleshooting 
8-10
The IPv6 address entered in the host name is not enclosed in brackets [ ]. To 
enter the IPv6 address, enclose the address in brackets [ ].
(e.g., [3ae3:9a0:cd05:b1d2:28a:1fc0:a1:10ae]:140)
Press the power switch to turn off, and then press it again to turn on. If this 
message still remains, press the power switch to turn off, and contact your 
service representative.
An error occurred when obtaining user information after the authentication. Log 
in again.
The file or box selected does not exist.
Check that the box has not been deleted, or that the file has not been deleted or 
moved.
The SD card inserted in the printer is not formatted, and therefore cannot be 
read or written. To format an SD card, follow the procedure in Format SD Card 
(Formatting the SD card) on page 4-102.
The SSD inserted in the printer is not formatted, and therefore cannot be read or 
written. To format an SSD, follow the procedure in Format SSD (Formatting the 
SSD) on page 4-101.
Message Corrective Action
Enclose
the IPv6 address in
brackets [ ].
Error occurred.
Turn the power
switch off and on.
####
Failed to get the
network user
information.
File was deleted.
Check the document
box.