two tasks to create a raw printing command to print on Sunmi V2 machine, and to add a build the attached invoices as sales invoice draft

first task:

We are using a web-based erp for our POS, and for the distribution we purchase Sunmi V2 machine
https://www.sunmi.com/en-US/v2/
we need assistant for the raw printing command for this machine to work with the web-based erp (erpnext).
and the attached invoice we need to create a same format invoice in the web-based erp (erpnext)
for more details on printing with ESC/POS , this link is the same the developer use in the forum link, uses HTML&JS.
https://rawbt.ru/
https://rawbt.ru/intents.html

second task:

we need to build the attached invoices with jinja, as saved sales invoice draft.