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Message
"Self checking..."
"Incompatible USB device
has been connected.
Check the USB device."
Messages that Appear When Machine Login Fails
Check the error code displayed with the "Authentication has failed." message, and taken the necessary
action.
• The letter at the beginning of the error code indicates the type of authentication specified on the
machine.
• B: Basic authentication
• W: Windows authentication
• L: LDAP authentication
Message
"Authentication has
failed."
B/W/L0103-000
Cause
The machine is
The machine may perform periodic maintenance
performing image
during operations. The frequency and duration of
adjustment
maintenance depends on the humidity,
operations.
temperature, and printing factors such as number
of prints, paper size, and paper type. Wait for the
machine to resume operation.
The machine
• Clean the USB ports on the back side and the
accidentally
detected a USB
cable as unusable
because dust
• If the problem persists, consult your service
accumulated in the
USB port.
Cause
An operation in the
TWAIN supporting
application was
performed from the
computer while a user
was logged in to the
machine or performing
the login procedure.
When Other Messages Appear
Solution and reference
back left side of the machine after turning off
the power of the machine.
page 9 "Turning On and Off the Power"
representative.
Solution and reference
Check whether another user is logged in to the
machine, and then perform the operation.
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