Oneaya daga cikin na'urar bushewa wuri da aka sanya tsakanin rukunin launuka masu ɗorawa na bugu, yawanci ake kiran na'urar bushewar launi. Manufar shine a sanya tawada na launi na baya kamar yadda ya rage gaba ɗaya kafin ya shiga rukunin launi na buga ciki da launi na tawada na gaba lokacin da aka lalata launin tawada ta baya lokacin da aka lalata launin ink a baya lokacin da aka lalata launin ink.

Onthhe ɗayan shine na'urar bushewa ta ƙarshe wanda aka shigar bayan duk bugu, yawanci ana kiranta na'urar bushewa ta ƙarshe. Wato a ce, bayan an buga duk shigarwar launuka daban-daban kuma ana bushe, don guje wa matsaloli kamar smearing a baya lokacin aiki. Koyaya, wasu nau'ikan injin buga buga Flexo ba su da naúrar bushewa ta ƙarshe.