Odoo POS Network Print

pip3 install netifaces

Change to installable the modules: hw_proxy and hw_escpos.

Download pos hw network and restart odoo:

git clone --branch 12.0 https://github.com/itpp-labs/pos-addons.git
mv pos-addons hw_printer_network /usr/lib/python3/dist-packages/odoo/addons
systemctl restart odoo