Hello,
To communicate with a receipt printer (POS):
- With a serial port: we could send ESC / POS commands
- With a USB (or other) port: we could directly send files (eg PDF) to the driver
- With an Ethernet port: we can use the driver. But if the printer is connected directly to the internet router without a computer, can we send (via internet) a PDF file directly to the printer? Or using ESC/POS commands is mandatory?
(Epson sells printers dedicated to it. But the customer must buy a new printer, I would prefer that this is not the case.)
Thank you
Olivier