Real time ZE521 interrogation

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F Flamini Andrea 3 weeks 1 day ago
23 3 1

Good afternoon,

Is it possible to query the ZE521 printer in real time to find out the name of the file it is currently printing?

Is there an apposite ZPL command or other language? Can you help me?

Thanks in advance.

Best Regards,

Flamini Andrea

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3 Replies

S Steven Si

How is the ZE521 connected to the host device, USB, TCP, Bluetooth? Do you use the Link-OS SDK? In general, we can query the printer status via the status channel over TCP connection at runtime. The Link-OS SDK has an API for that. We would know whether the printer is printing or not. But we would not know which file is being processed by the printer, as the filename of the ZPL scripts is insignificant.

F Flamini Andrea

Good Morning,

ZE521 is connected by TCP.

Can you send me link for downloading Link-OS SDK and API?

Thanks in advance.



S Steven Si

Here is the link to download the latest SDK -

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