Notice: Print connector was not finalized. Did you forget to close the printer?

[ganotras]

i m using shreyans thermal printer model KP206B-UB AND I FOUND ERROR Notice: Print connector was not finalized. Did you forget to close the printer? in THIS. HELP ME TO RESOLVE THIS THANKS

[InternetFacilito]

Comparte el el fragmento de código donde se genera el error. Lo mas probables es que no hayas cerrado la conexión con la impresora omitiendo algo como $printer -> close();