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Message Cause Solution
"HDD is full. (Auto)" The hard disk became full
while using the error job
store function to store
Normal Print jobs as Hold
Print files.
• Delete unneeded files stored in the
printer.
• Reduce the data size of the
Temporary Print file and/or the
Stored Print file.
"I/O buffer overflow." An input buffer overflow
occurred.
• In [Printer Features], under
[System], set [Memory Usage] to
[Font Priority].
• In [Printer Features], under [Host
Interface], select [I/O Buffer], and
then set the maximum buffer size
to a larger value.
• Reduce the number of files being
sent to the printer.
"Information for user
authentication is already
registered for another user."
The user name for LDAP
Authentication or Integration
Server Authentication was
already registered in a
different server with a
different ID, and a
duplication of the user name
occurred due to a switching
of domains (servers), etc.
For details about User Authentication,
see Security Guide.
3. Troubleshooting
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