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2.7 Status messages
The status of the device is sent to the serial port. To get a visual feedback of the signallings is necessary to build a cable
to be connected to the serial port (see
The status LED indicates hardware status of device. Given in the table below are the various LED signals and the cor-
responding device status.
STATUS LED
RECOVERABLE
ERROR
paragraph
3.3).
OFF
ON
x 1
x 2
x 3
x 4
x 5
x 6
x 7
x 8
x 9
x 10
x 11
x 12
x 13
DESCRIPTION
DEVICE OFF
DEVICE ON: NO ERROR
RECEIVE DATA
PRINTHEAD OVERHEATED
PAPER END
POWER SUPPLY VOLTAGE INCORRECT
RECEPTION ERRORS
(PARITY, FRAME ERROR, OVERRUN ERROR)
COMMAND NOT RECOGNIZED
COMMAND RECEPTION TIME OUT
COVER OPEN
PAPER JAM
AUTOCUTTER ERROR
RAM ERROR
EXTERNAL FLASH MEMORY ERROR
LOW PAPER
17
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