Ƙayyadaddun ƙayyadaddun al'ada shine 0. 12 mm, kuma za'a iya daidaita kauri na layin bisa ga ainihin buƙata. An ƙaddara wannan ta kayan da aka yi amfani da su a cikin FFC, layin layi na FFC ya ƙunshi nau'i biyu na fim ɗin rufi, matsakaicin matsa lamba lebur jan ƙarfe, don haka kauri na kebul na ribbon IT = + + kauri mai kauri na fim ɗin fim ɗin, kauri na fim ɗin da aka saba amfani da shi shine: 0. 043 mm, 0. 060 mm, kauri ko 0.1mm, yawanci ana amfani da shi ko 0.10mm.