If cash box is connected to Epson TM-T20II, XP-Q260II and Sam4S Ellix 50DB thermal printers, they could be opened with the key or automatically.
To connect a cash box:
- Turn on the connected printer to the 220V network and press the power button. 
- Connect the cash box to the printer with an RJ-12 cable. 
- Open Poster POS application and enter waiter’s PIN-code. 
- Click ≡ in the upper right corner and select Devices. 
- Select printer from the list and turn on the Cashbox switcher in Settings. 
- Go to Stations section and click Print IP. 
💡 If you need to open the cash box without printing the receipt, you can open it manually on the register.
To open the cash box:
- Click ≡ in the upper right corner of the register. 
- Select Open cashbox in the Equipment part. 
Feel free to contact our customer support if you have any questions or need help with printers. We're available in chat @joinposter.com and email contact@joinposter.com
Following guides might be helpful too:

