Patent ID: 7182429

Claim:
A liquid discharger comprising: nozzles; cavities communicating with the nozzles; a plurality of discharge heads to pressurize functional liquid contained in the cavities communicating with the nozzles and discharging the functional liquid from the nozzles; a mounting plate having openings to mount the plurality of discharge heads; a tank containing the functional liquid; a liquid supply channel to supply the functional liquid from the tank to the discharge heads, wherein the discharge heads are mounted to the openings at the same temperature as that when the functional liquid is discharged from the discharge heads; a detecting device to detect positions of nozzles of the plurality of discharge heads; a measuring device to measure a distance between at least two of the nozzles; a driving device to move one of the discharge heads and the mounting plate relative to each other based on a measurement result by the measuring device; and an engaging device to engage one of the discharge heads with one of the openings.