... drum,pcr(magnetic roller),pickup roller,pressure roller,print head,ribbon,toner,formatter board ,fax board,,,cartridge,toner powder ... printer parts, like printer head, pin, head cable, guide, main board, power board, carriage, RDA, ribbon mask, tractor, gears... 2) Laser ... , and fuser unit... 3) Barcode (Label) printer parts: scanner head, mother board, power board, main motor, belt, platen roller, ...