These printers use the FO48DR cartridge:
Click On a Printer to View it's Cartridges
          Sharp Fax FO-3400
          Sharp Fax FO-3400 T
          Sharp Fax FO-3450
          Sharp Fax FO-3450 T
          Sharp Fax FO-3850
          Sharp Fax FO-4800
          Sharp Fax FO-4810
          Sharp Fax FO-4810 T
          Sharp Fax FO-4850
          Sharp Fax FO-5400
          Sharp Fax FO-5400 T
          Sharp Fax FO-5450
          Sharp Fax JX-9400
          Sharp Fax JX-9400 H
          Sharp Fax JX-9450
          Sharp Fax JX-9450 PS
          Sharp Fax JX-9460
          Sharp Fax JX-9460 PS
          Sharp Fax JX-9600
          Sharp Fax JX-9600 PS
          Sharp Fax JX-9660
          Sharp Fax JX-9660 PS
          Sharp Fax JX-9680
          Sharp Fax JX-9685
          Sharp Fax JX-9712
          Sharp Fax SF-3400 T
          Sharp FO 3450
          Sharp FO 3450 T
          Sharp FO 3850
          Sharp FO 4800
          Sharp FO 4810
          Sharp FO 4810 T
          Sharp FO 4850
          Sharp FO 5400
          Sharp FO 5400 T
          Sharp FO 5450