i am haven problem with this copier please i need your help on konica1216 i have don every thing on this copier like the mode 4.7,2.5,3.6 yet the toner motor is not feeding the developer unit toner,please there is some thing to do i don"t know.i need help from any one who had succeed in this problem and toner started feeding the developer to kindly help me to solve this.thanks in advance.