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FENIX IMVICO
TK14 OPERATION MANUAL
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3.7.2- Printer operation when an error happens
When the TK14 detects an error (except the near-end paper), it executes the following operations:
•
It stops all printing operations.
•
The red led blinks or orange permanently lights.
3.7.3- Data reception error (serial interface only)
If one of the following errors happens during the serial interface data communication, the printer prints
‘?’ or ignores the data.
•
Parity error.
•
Synchronization error.
•
Overlap error.
3.7.4- Flow diagram of the error detection for the serial port
Fig.3.10-
Serial port error flow diagram.
END
SENDS
1 BYTE
SEND COMMAND
DEL EOT
READS THE PRINTER
STATUS AND IDENTIFIES
THE ERROR
BEGINNING
NO
nDTR = 0
YES
nRTS = 0
NO
YES
END OF
TRANSMISSION
NO
YES