These printers use the 106R402 cartridge:
Xerox-Tektronix Document WorkCentre Pro 555
Xerox-Tektronix Document WorkCentre Pro 575
Xerox-Tektronix WorkCentre Pro 555
Xerox-Tektronix WorkCentre Pro 575
Sharp FO 550
Sharp FO 4650
Sharp FO 4700
Sharp FO 4970
Sharp FO 5550
Sharp FO 5700
Sharp FO 5800
Sharp FO 6700