Do I have to buy a hotel invoice printer at the tax bureau?

No, you don't have to buy a hotel invoice printer at the tax bureau, because you can buy it at a place that specializes in selling invoice printers. Invoice printers belong to bill printers and can be bought in e-commerce companies and computer companies. Invoice printer refers to bill printer. As a kind of laser printer different from common office use, bill printer is actually widely used in many occasions, such as shopping malls and supermarkets to print small tickets and invoices, as well as printers used by companies to print VAT invoices.