I Use Odoo V12 CE 

But I face Issue when I try to send an order to the kitchen printer

its print on paper options /hw_proxy/print_xml_receipt?session_id=********end by http/1.1

host: my server IP

user-agent :*********my browser information

accept:*/*

accept-language en-us,enq=0.5

does anyone face this issues before

my printer star tsp650 ECS/pos mode

I didn't use posbox

thanks in advance for your help