Babu carcinogens a cikin toner, kuma idan ba zato ba tsammani ka zaɓi ƙananan ingancin toner, za a sami ƙarin ko žasa abubuwa masu cutarwa a ciki; Bugu da ƙari, ƙananan toner zai shafi tasirin kwafin kai tsaye, yana haifar da mummunan launi na baya akan kwafin da inuwa daban-daban na rubutun; Mafi mahimmanci, ƙananan toner zai haifar da ci gaba da lalacewa a kan harsashin toner a cikin copier, idan fuser na'urar na'urar na'urar ta kasance tabo da toner, sau da yawa zai haifar da ƙura a cikin copier, kuma waɗannan kura da zarar sun fadi a kan. da'irar da'ira mai aiki na kwafi, yana da sauƙi don samun ɗan gajeren kewayawa, ta haka yana lalata mai kwafin.
Toner, babban abin da ke tattare da shi shine carbon, akwai kuma da yawa sun hada da binders da resin, a daidai lokacin da ake gab da kammala kwafin, toner ɗin zai narke a cikin fiber ɗin takarda da zafin jiki na kusan digiri 200. kuma bangaren resin na masana'anta na toner za su zama oxidized zuwa iskar gas, wanda shine ainihin ozone da muke magana akai akai. Ba duk toners suna kallon iri ɗaya ba, kuma ba duk masu toners suna buga iri ɗaya ba, siffar toner yana ƙayyade tasirin bugu.