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PRS-300.GB.4-151-151-11(1)
Troubleshooting
Connection to the computer
Symptom Cause or corrective action
The Reader cannot
be operated during
USB connection.
Disconnect the USB connector from
the Reader.
The Reader cannot
be recognized.
The Reader is turned off or the USB
cable is not connected properly.
Verify the above and try again.
A USB hub or USB extension cable
is used for the connection.
Connecting the Reader via a USB
hub or extension cable may not work
and is not supported. Connect the
USB cable directly to the computer.
Verify that (indicating connection
via USB) is displayed at the top of
the Reader’s screen. If the Reader
still cannot be recognized,
disconnect the USB cable from the
Reader, then reconnect it after a
while.
If “Device Lock” of the Reader is set
to “On,” set it to “Off.” If the Reader is
locked, it will not be recognized on
your computer.
While the Reader is connected to a
computer, do not turn on, restart,
wake up from sleep mode, or shut
down the computer. These
operations may render the Reader
unrecognizable by the computer.
Disconnect the Reader from the
computer before performing these
operations.
Continued
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