EPC1200 SERIES OPERATION MANUAL
24/56
can damage the printer itself. When this situation occurs, an error must be
indicated in order to protect the printer from abrasion.
[Recover action] The printing recovers automatically from this error when the thermal print head
temperature drops below 60ºC again.
[Note]
This error can happen if the ambient temperature is very high and the printer
is working continuously with high-density printing.
NO PAPER ERROR / DOOR OPEN
[Description]
The out of paper sensor detects there is not paper on the printing line. When
de door is open the printer will also detect it the same way.
[Recover action] This error disappears loading a new paper roll in the printer and closing the
paper door (see section 3.1.
Paper loading).
[Note]
This error stops the printing and it cannot be restarted until it is not recovered.
This error is indicated in the parallel port depending on the conditions set by
the ”
ESC c 3”
command (See point
4. CONTROL COMMANDS
).
5.8.2- Printer operation when an error happens
When the printer detects an error, it executes the following operations:
•
It stops all printing operations.
•
The red led blinks or orange permanently lights.
5.8.3- 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.
5.8.4- Flow diagram of the error detection for the serial port
Fig. 19. -
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
YE
nRTS = 0
NO
YE
END OF
TRANSMISSION
NO
YES
