... parts and consumables: like toner cartridge, OPC drum, magnetic roller, PCR, fuser film sleeve, wiper/doctor blade, fuser assembly ... developer unit, paper pickup roller, upper fuser roller, pressure roller...3.Ink cartridge and parts: like ink cartridge, clip, refill kit, printer head, ... ribbon mask, main board, power board, platen knob, tractor… Refill ink cartridge for HP 122 used for HP Deskjet 1000 ...