... monthour main product as following:inkjet printer,pin printer,laser printer,mapping accesories,fuser assembly,fixing film ... assembly,plotter belt,laser spare parts,fuser gear,presure roller,idler roller,roller tray,ink ... cover,transfer roller,laser scanner,hard disc,ink supply staton and so on.Models asHP1000sseries ... chip used for Fuji Xerox WC-3550