Note: 1)Too coarse a grind, too little coffee, or insufficiently tamping the grounds before brewing can all lead to inadequate pressure for a proper brew. 2)It is important to note that the amount of espresso extracted will vary depending on the grind size and amount and reprogramming may be needed when the size and amount are adjusted EFFICIENT COFFEE MAKER- 12-Cup Commercial coffee maker brews a full coffee thermos of coffee in less than 10 minutes, The on/off indicator light expresses the working status, mornings just got easier with the office coffee maker! LONG HEAT/ COLD RETENTION-The vacuum insulation technology of SYBO industrial coffee makers locks in temperature keeps beverages hot for 12 hours or cold for 24 hours. Stainless steel coffee thermos with insulation system, which allows Its body stays cool to the touch no matter heat or cold beverage in. USER FRIENDLY COFFEE POT- Pour spout opens easily with push button ease, making one-handed pouring of this coffee caraf