Patent ID: 8721027

Claim:
A device for calculating a discharge amount of at least one fluid from a fluid ejecting apparatus, the fluid ejecting apparatus being capable of ejecting the at least one fluid onto a target at a plurality of droplet sizes, the device comprising: a plurality of calculating sections that calculate the discharge amount of the fluid by counting the droplets of each droplet size, based on a bit number of input data, the calculating sections not exceeding 2 n in number, in which n is a positive integer; wherein one counter is provided for each droplet size; a converting section comprising a conversion table, wherein the converting section uses the conversion table to convert the input data of n bits into bit number data corresponding to any one of the plurality of calculating sections, and outputs the number data to the plurality of calculating sections; and a switching section that is connected between the calculating section and the converting section to perform switching between a first mode to calculate the discharge amount as a first number of the fluids and a first number of droplet sizes, and a second mode to calculate the discharge amount as a second number of fluids less than the first number of fluids and a second number of droplet sizes greater than the first number of droplet sizes, in accordance with a desired selection signal.