... spare parts,fuser gear,presure roller,idler roller,roller tray,ink tube system,traling cable,registration assembly,swing plate,dulexer,maintance ... ,clutch gear,fuser cover,transfer roller,laser scanner,hard disk,ink supply staton and so on.Models as1000sseries,2100series,3000series,4000series ... have abundant stock of them.please do not hesitate wonderful HP 15A toner cartridge(original brand new)