A lokacin aikin bugu na na'ura na flexo, akwai wani lokaci na lamba tsakanin farfajiyar anilox roller da saman farantin bugu, saman farantin bugu da saman substrate. Gudun bugawa ya bambanta, kuma lokacin hulɗarsa ma daban. mafi cikakken canja wurin tawada, kuma mafi girman adadin tawada da aka canjawa wuri. Domin m version, ko yafi Lines da haruffa, da substrate ne absorbent abu, idan bugu gudun ne dan kadan m, da bugu sakamako zai zama mafi alhẽri saboda karuwa a cikin adadin tawada canjawa wuri. Sabili da haka, don inganta aikin canja wurin tawada, saurin bugawa ya kamata a ƙayyade daidai gwargwadon nau'in zane-zanen da aka buga da aikin bugu.