Ko te nekeneke hiko 1, kia kore e tika te ara o te taputapu ki te aukati i te kore, katahi ka peia te motuka hiko ki te taha o te tirohanga kore, kia nui ka hoki mai te hikoi ki te kore, ka aukatihia e te aukati, he kore te kawe o te motuka. Ko te tikanga kore he ngawari, engari ka mutu te motuka, ka peia tonu te mahi motuka o te kore, na reira ehara i te mea anake i runga i te motuka hikoi me te tikanga tuku, ka pa mai te kino o te hanga i te wiri nui me te haruru nui. 2, pūoko, te ara ki te pūrere i kore whare whakakā, diode photoelectric, pērā i te pūoko tūnga, ka hoki te nekeneke stepper ki te kore, ka hoatu te tohu pūoko, te ara iahiko mana kitea te tohu, mutu te nekeneke i roto i te kore tūnga. Ko te tikanga kore he tika me te pono, engari kua piki ake te uaua o te ara iahiko, me tono mo te taputapu. 3, whiriwhiria te whitiki tarai i te whakamatau i te maramara taraiwa motuka motuka, te maramara i te wa e tu ana te motuka, ka kitea tonu te moti ka mutu, ka whakatau i te waahi kore. Engari ko te ahua kino o te ao, mo te hikoi i te wahanga awhiowhio o naianei me tono, a kaore e taea te whakamahi i tenei tikanga i raro i te tikanga taraiwa microstep.
Ko te roopu HOPRIO he kaihanga ngaio o te kaiwhakahaere me nga motuka, i whakapumautia i te 2000. Te tari matua o te roopu i Changzhou City, Jiangsu Province.