3.6 Status messages
The status LED indicates hardware status of device. Given in the table below are the various led signals and the corre-
sponding device status.
STATUS LED DESCRIPTION
- OFF PRINTER OFF
GREEN ON PRINTER ON: NO ERROR
GREEN
COMMUNICATION
STATUS
x 1 RECEIVE DATA
x 2
RECEPTION ERRORS
(PARITY, FRAME ERROR, OVERRUN ERROR)
x 3 COMMAND NOT RECOGNIZED
x 4 COMMAND RECEPTION TIME OUT
YELLOW
RECOVERABLE
ERROR
x 2 PRINTHEAD OVERHEATED
x 3 PAPER END
x 5 POWER SUPPLY VOLTAGE INCORRECT
x 6 COVER OPEN
RED
UNRECOVERABLE
ERROR
x 3 RAM ERROR
X 4
FLASH MEMORY ERROR
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