EPC1800 SERIES OPERATION MANUAL
5.7.2- Flow diagram of the error detection for the serial port
Fig. 14 -
Serial port error flow diagram
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END
SENDS
1 BYTE
SEND COMMAND
DEL EOT
READS THE PRINTER
STATUS AND IDENTIFIES
THE ERROR
BEGINNING
NO
nDTR = 0
YES
END OF
TRANSMISSION
NO
YES
nRTS = 0
NO
YES