When a Message Appears While Using the
Printer Function
• When confirming or changing the settings in [Settings], press [Home] ( ) after closing [Settings].
Messages that Appear without Error Codes
Message Cause Solution and reference
"Address Book is
currently in use by
another function.
Authentication has
failed."
The address book is
in use by another
function, and
authentication
query is not
possible.
Try again later.
"Auto-registration of
user information has
failed."
The maximum
number of items that
can be registered
has been exceeded
and the
authentication
information for
LDAP authentication
(Custom
authentication) or
Windows
authentication
cannot be
registered
automatically.
Delete a user that is no longer necessary from the
address book.
"Cannot access the
Memory Storage
Device."
An SD card or USB
flash memory
device is
unavailable for use.
• Check that the external media is formatted in
FAT16 or FAT32, and write protection is not
enabled on the media.
• Check that the external media is not corrupted or
damaged.
8. Troubleshooting
210
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