There are provided an image formation device, method, and program capable of forming an image, which is appropriate for a combination of dot sizes, with high flexibility in design for optimizing halftone processing in a case of using a plurality of dot sizes. The {molar quantity of methacrylic ester or acrylic ester} fed into the reactor is regulated to be 15 to 80, and the content of the acrylic ester in the total feed amount of a polymerization initiator solution and an acrylic ester fed into the reactor is regulated to not more than 5% by mass. The plug pin is hollow and extends through an interface between opposing seals at the front end of the receptacle contact chamber during mating. The boot includes a first end engaged with the first shaft and a second end engaged with the second shaft. The distance wheel is rotatably connected to the casing and has a distance wheel axle and an induction ring.