These printers use the 63412 cartridge:
Click On a Printer to View it's Cartridges
          Smith-Corona 235 DLE
          Smith-Corona 250 DLE
          Smith-Corona 335 DLE
          Smith-Corona 340 DLE
          Smith-Corona 435 DLD
          Smith-Corona 450 DLD
          Smith-Corona 535 DLD
          Smith-Corona 600 DLD
          Smith-Corona 640 DLD
          Smith-Corona Citation Electric 100
          Smith-Corona CXL 4200
          Smith-Corona CXL 4300
          Smith-Corona CXL 5100
          Smith-Corona Deville 410
          Smith-Corona Deville 510
          Smith-Corona Deville 580
          Smith-Corona Deville 610
          Smith-Corona Deville 700
          Smith-Corona Deville 800
          Smith-Corona DX 3400
          Smith-Corona DX 3600
          Smith-Corona DX 4500
          Smith-Corona DX 4600
          Smith-Corona DX 6000
          Smith-Corona FX 1510
          Smith-Corona Hard IV
          Smith-Corona Mark 7
          Smith-Corona Mark 10
          Smith-Corona Mark 225
          Smith-Corona Mark 400
          Smith-Corona Mark II
          Smith-Corona Mark VI
          Smith-Corona Mark Viii
          Smith-Corona Mark XI
          Smith-Corona Mark XII
          Smith-Corona Mark Xvii
          Smith-Corona Mark XX
          Smith-Corona Mark Xxii
          Smith-Corona Mark XXV
          Smith-Corona PE 900
          Smith-Corona PE 990
          Smith-Corona PWP 3
          Smith-Corona PWP 5
          Smith-Corona PWP 6
          Smith-Corona PWP 7
          Smith-Corona PWP 14
          Smith-Corona PWP 57 D
          Smith-Corona PWP 67 D
          Smith-Corona PWP 87 D
          Smith-Corona PWP 100 C
          Smith-Corona PWP 145
          Smith-Corona PWP 400
          Smith-Corona PWP 2100
          Smith-Corona PWP 2200
          Smith-Corona PWP 3100
          Smith-Corona PWP 3500
          Smith-Corona PWP 3800
          Smith-Corona PWP 4200
          Smith-Corona PWP 4600
          Smith-Corona PWP 4700
          Smith-Corona PWP 5100
          Smith-Corona PWP 5300 LR
          Smith-Corona PWP 8000 LT
          Smith-Corona PWP X-10
          Smith-Corona SD 600
          Smith-Corona SD 670
          Smith-Corona SD 700
          Smith-Corona SD 760
          Smith-Corona SD 780
          Smith-Corona SD 860
          Smith-Corona SD 880
          Smith-Corona SD 900
          Smith-Corona Situation
          Smith-Corona SL 460
          Smith-Corona SL 480
          Smith-Corona SL 560
          Smith-Corona SL 575
          Smith-Corona SL-Series
          Smith-Corona Sterling Electronic
          Smith-Corona VTX 300
          Smith-Corona VW 9311
          Smith-Corona WP 48 D
          Smith-Corona WP 1100
          Smith-Corona XD 4800
          Smith-Corona XD 4900
          Smith-Corona XD 5500
          Smith-Corona XD 5800
          Smith-Corona XD 6100
          Smith-Corona XD 7500
          Smith-Corona XD 7600
          Smith-Corona XD 7800
          Smith-Corona XE 1600
          Smith-Corona XE 1630
          Smith-Corona XL 1800
          Smith-Corona XL 1850
          Smith-Corona XL 2500
          Smith-Corona XL 2800
          Smith-Corona XL 4700
          Smith-Corona XL 7800
          Philips P 2110
          Philips PTW 100
          Philips PTW 120
          Philips PTW 140
          Philips PTW 160
          Philips Videowriter 2000
          Philips Videowriter 2100
          Philips Videowriter 2110
          Philips Videowriter 2140
          Philips Videowriter 2200
          Philips Videowriter 2210
          Philips Videowriter 2220
          Philips Videowriter 2230
          Philips Videowriter 2240
          Philips Videowriter 2300
          Philips Videowriter 2310
          Philips Videowriter 2340
          Philips Videowriter 2400
          Philips Videowriter 2410
          Philips Videowriter 2440
          Philips Videowriter 9301
          Philips Videowriter 9302
          Philips Videowriter 9311
          Philips Videowriter 9312
          Philips Videowriter 9901
          Sears 53002
          Sears 53002-650
          Sears 53003
          Sears 53005
          Sears 53005-650
          Sears 16153002
          Sears 16153003
          Sears 16153005
          Sears 26853002
          Sears 26853003
          Sears 26853005
          Sears 87153002-650
          Sears 87153003
          Sears 87153005-650
          Sears SR 1000 C
          Sears SR 1000 ELECTR.