Techik shinkafa kalar kayan sor kayan gani shine cire ɓatattun hatsi ko masu launin shinkafa daga babban rafin samfurin, tabbatar da cewa ƙwararrun shinkafa masu inganci, yunifom, da kayan gani na gani sun kai ga marufi na ƙarshe. Laifukan gama gari waɗanda mai rarraba launin shinkafa zai iya ganowa da cirewa sun haɗa da hatsi marasa launi, ƙwaya mai alli, hatsi mai bakin baki, da sauran kayan waje waɗanda zasu iya shafar inganci da bayyanar samfurin shinkafa na ƙarshe.
Na'ura mai sarrafa launin shinkafa da yawa, wanda kuma aka sani da nau'in launi na shinkafa, tana rarraba hatsin shinkafa gwargwadon bambancin launi na asalin shinkafar saboda abubuwan da ba a saba gani ba kamar hatsin dutse, ruɓaɓɓen shinkafa, shinkafa baƙar fata, da shinkafa mai launin ruwan kasa. Babban firikwensin gani na CCD yana motsa na'urar sarrafa injin don raba kayan hatsi daban-daban, kuma ta atomatik zazzage nau'ikan hatsi daban-daban a cikin buhun shinkafar da ba a dafa ba; cire wadannan datti a cikin wannan tsari na iya inganta ingancin shinkafar.