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Label printer datasheet
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Vindhyachal.takniki:
I got this cheap label printer from market. Need to be interface with arduino.

Any idea where I can find its datasheet. Seller didnt have it, asked to download from internet.

Found some link, but no further info: https://shop.aftabrayaneh.com/LPM_261_Thermal_Label_Printer__AFTAB.html

austfox:
Checkout Adafruit’s TTL printer:

https://core-electronics.com.au/tiny-thermal-receipt-printer-ttl-serial-usb.html

Whilst not the same brand, it has the same serial inputs and might help you at least get started.
johnkenyon:
Have you tried using the USB port and seeing what VID/PID is shown? (my money is on a CH34x serial chip., but you never know...)
Vindhyachal.takniki:
1. I have sent data serially from arduino like Serial. print("text"). Have been able to print without issue.



2. this is label printer, as in attached picture, how to identify the cut in sticker so that data gets printed on label only, now as there is no detection command I know, data gets printed out of label too.



3. connected usb port to PC, it comes out to unidentified harware in device manager.
austfox:

--- Quote from: Vindhyachal.takniki on April 19, 2019, 05:42:51 am ---
2. this is label printer, as in attached picture, how to identify the cut in sticker so that data gets printed on label only, now as there is no detection command I know, data gets printed out of label too

--- End quote ---

Not having written software for a data label printer, I am guessing that your software determines how much data is printed so that it fits within the label, and then a particular ‘ESC’ code is sent to advance the roll to the next label (which it does optically with the use of the black bars on the label roll).

Grab a manual for another label printer because chances are the ESC codes are common amongst most label printers.
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