Happybuy Coffee DIY Design Food 3D Latte Art Maker Selfie Milk Tea Machine Edible Ink Printer for Chocolate Cookies Small Cake Store Coffee Printer-- Power supply: 110V;Power rate: 35W;Fast printing speed;10-20 S/Cup;Steady running. Working Condition--Working Condition: 10- 35,Humidity:20%-80%;Connection: USB2.0 high speed. Ink Supply System-- Ink type: Edible food ink, Color C M Y K;Easy operation,Height adjust system: Automatic adjust, controlled by infrared ray. Built-In Editing-- Customize Software support Win7, Win8, Win10 System. Inside software, we can take picture and edit image and its size, upload picture or use the picture inside library. Application-- Print on Drinks like coffee,milk,milkshake,and also print on foods like chocolate,cookies,Small Cake etc. By using good tasting edible ink, this fantastic Cafe Maker printer makes your customized latte art within 10 to 20 seconds. 1 X Printer 1 X Software 2 X Set Cartridge(1 Black,1 Color C M Y) 1 X EE-SX671A Slot Switch 1 X Photoelectric Sensor 1 X Contact Switch 4 X Set Needle Tips &amp; Needle Cylinder 1 X USB Power Supply 1 X Power Cable Picture2 :Cup are not transparent Picture 3&amp;4 :4The handle of the cup shouldnt  be towards left ,towards right,towards back, it must be towards fornt,otherwise it will turn to overset during up Picture 5 : The right direction Button 1 :Switch that controls the function of inkjet;when computer remind out of paper,press it ,and continue printing Button 2:The main power socket Button 3:All electric circuit power except inkjet.1---turn on   0----turn off Button 4:USB port You can irrigation ink ,black ink 15ml,colour inks 5ml After irrigation,you should shake the nozzle two or three times and then print ,because some air is in ink ,maybe it could lead to some problem,dont worry ,continue printing ,it will be ok