A spectral characteristic acquisition device according to one aspect of the disclosed technique includes: a color data acquirer comprising a plurality of spectral sensors receiving light reflected from an object irradiated with light and acquiring color data of the object; circuitry configured to estimate a spectral characteristic of the object on a basis of the color data and calibrate the spectral characteristic calculator on a basis of the color data obtained from a calibration color mark having a color mark of a known spectral characteristic; a first conveyer configured to convey the object in a predetermined conveyance direction and conveying the color data acquirer in a direction intersecting the predetermined conveyance direction; and a second conveyer configured to convey the calibration color mark in the predetermined conveyance direction.