Patent ID: 7850263

Claim:
A liquid consumption apparatus to which a liquid container for containing liquid is able to be attached, the liquid consumption apparatus comprising: a liquid consumption section that consumes the liquid contained in the liquid container; a counting section that counts the amount of the liquid consumed by the liquid consumption section as a liquid consumption amount; a liquid amount memory section that memorizes the liquid consumption amount counted by the counting section; a reception section that receives a detection signal indicating that the amount of the liquid contained in the liquid container is not more than a predetermined amount; a detection-time liquid amount memory section that memorizes the liquid consumption amount at the time of reception of the detection signal as a detection-time liquid consumption amount, that is, a liquid consumption amount at the time of detection; and a judgment section that judges that the liquid container is empty by calculating that the amount of difference between the liquid consumption amount memorized in the liquid amount memory section and the detection-time liquid consumption amount is more than a specified amount.