Zebra TTP2130 Especificaciones Pagina 68

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Programming
Software Command Syntax
68
P1003640-002 TTP 2100 Technical Manual 09/28/2009
ESC ENQ 1 can only return one status code at a time. If there are two or more simultaneous
conditions, each condition should be cleared and the status enquiry repeated in order to get a
complete report of all status codes.
The host computer cannot be certain that all conditions have been cleared until an ACK is
received.
In the case of multiple error conditions, the one with the lowest number is reported.
This command requests a paper-near-end sensor (paper low) status from the printer in a 1-byte
format.
Note • Errors 0B, 0C, and 10 are one-time errors that clear once they are read.
Important • Errors 02h and 05h are terminal faults that require you to reset the printer before
it will be operable again. A reset means that any data in the buffer is lost.
The printer automatically recovers from the other conditions as soon as the condition is
corrected.
Note • To read out all status information at once, use ESC ENQ E.
ESC ENQ 002
Paper-near-end Enquiry
1B 05 02 hex
27 5 2 decimal
Value = (01h) indicates “No paper”
Value = (00h) indicates “Paper present” at the sensor position
Note • The status of the sensor is sampled every time the printout is cut. If three successive
samples show that there is no paper present at the sensor, the status reply changes to 1. This is
to prevent false readings if the side of the paper roll is not clean. If you want instantaneous
status of the sensor, use ESC ENQ 6 and examine the paper near end bit.
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