Brother PT-D600 Service Manual page 163

(3) The machine passes the inspection when the serial number entered satisfies conditions
below. The serial number read is displayed in the Model code (6 digits) and Serial number
(9 digits) fields on the main window.
 Conditions required for "Read Serial No" OK
Serial numbers entered in the 1st and 2nd fields are the same.
 Inspection errors
• "Can not connect."
This error is shown when the power of the machine is OFF or USB is not connected. Even
the USB is connected and the power of the machine is ON, it would take time for PC to
recognize the machine.
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