Message Cause Solution
"You do not have the
privileges to use this function."
The logged in user name does
not have permission for the
selected function.
Contact the administrator about the
permission for the required function.
Messages Displayed on the Client Computer
This section describes likely causes of and possible solutions for the main error messages displayed on the
client computer when using the TWAIN driver.
• If a message not described here appears, act according to the message. For information about how
to turn off the main power switch, see “Turning On/Off the Power”, About This Machine.
Message Cause Solution
"Any of Login User Name,
Login Password or Driver
Encryption Key is incorrect."
The entered login user name,
password, or driver
encryption key was invalid.
• Check the login user name, login
password, and driver encryption
key.
• Permission to use this function has
not been granted. Contact the
administrator.
"Cannot detect the paper size
of the original. Scanning will
be cancelled."
The set original was
misaligned.
• Place the original correctly.
• Specify the scan size.
"Cannot find the scanner.
Check the scanner main
power switch."
The machine's main power
switch is off.
Check that the cable is securely plugged
into the power outlet and the machine.
Set the main power switch to “On”.
"Error has occurred within the
scanner driver."
An error has occurred in the
driver.
• Check whether the network cable
is connected correctly to the client
computer.
• Check whether the Ethernet board
of the client computer is recognized
correctly by Windows.
• Check whether the client computer
can use the TCP/IP protocol.
4. Troubleshooting When Using the Scanner Function
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