Why is my receipt having a red sign, next to it?
Fiscal receipt did not print, how can I reprint it?
Filtering Receipts in POS
Printing invoices on the non-fiscal printer
How do I send an invoice to a client by email?
How do I issue an invoice to a customer in POS?
How do I add a client identifier to the purchase order?
How can I legally operate when having techincal issues with the cash register?