Harsashin toner na firinta na laser ya kasu kashi biyu, ɗaya shine haɗakarwar drum foda, wato, harsashin toner wanda aka haɗa tare da drum mai haɓaka na'urar toner toner cartridge; Har ila yau, akwai rabuwa da foda na ganga, kuma ba a haɗa drum na hotuna ba tare da abin nadi da akwatin foda. The hadedde drum ne kullum saduwa da yarwa amfani, da kuma daban-daban masana'antun ba su yarda da powdering, da kuma rayuwar da photosensitive drum ba dogon. Drum foda rabuwa toner harsashi kullum wani photosensitive drum iya saduwa da bukatun na maye gurbin da dama toner harsashi, mafi drum foda rabuwa toner harsashi a kasuwa da tsawon rai fiye da drum foda hadewa, amma farashin ne in mun gwada da high.

Gabaɗaya, ƙarar bugu na harsashi na toner yana tsakanin shafuka 2000 da shafuka 6000, kuma harsashin toner na mafi yawan firintocin laser na tsarin A4 gabaɗaya kusan shafuka 3000 ne, yayin da harsashin toner na firintocin tsarin A3, firintocin cibiyar sadarwa, da firintocin launi suna da mafi girman ƙarfin toner da mafi girman adadin kwafi. Adadin bugu yana da alaƙa da ɗaukar hoto akan takarda mai fitarwa, don haka babu cikakken adadin zanen gado, mafi girman ƙudurin bugu, mafi girman bugu, mafi girman amfani da toner, da adadin kwafi. wanda ke cinye manyan harsashi na toner ya ragu sosai. Rayuwar drum gabaɗaya fiye da toner harsashi mai amfani da yawa, yawancin rayuwar drum ɗin toner ya fi guda 10,000, idan kun kula da amfani ana iya maye gurbinsu da yawa sau da yawa don adana farashi.