These printers use the 63446 cartridge:
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
Smith-Corona Citation Electric 100
Smith-Corona CXL 4200
Smith-Corona CXL 4300
Smith-Corona CXL 4500
Smith-Corona CXL 5100
Smith-Corona Deville 80
Smith-Corona Deville 110
Smith-Corona Deville 125
Smith-Corona Deville 250
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 H-Series
Smith-Corona Hard II
Smith-Corona Hard IV
Smith-Corona Mark 7
Smith-Corona Mark 10
Smith-Corona Mark 15
Smith-Corona Mark 20
Smith-Corona Mark 25
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 Privileg 1640
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 SC 100
Smith-Corona SC 110
Smith-Corona SC 210
Smith-Corona SC 225
Smith-Corona SD 250
Smith-Corona SD 275
Smith-Corona SD 400
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 SE 100
Smith-Corona SE 200
Smith-Corona Situation
Smith-Corona SL 80
Smith-Corona SL 460
Smith-Corona SL 480
Smith-Corona SL 560
Smith-Corona SL 575
Smith-Corona SL-Series
Smith-Corona SR 1000
Smith-Corona Sterling
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 5250
Smith-Corona XD 5500
Smith-Corona XD 5800
Smith-Corona XD 6100
Smith-Corona XD 6600
Smith-Corona XD 7500
Smith-Corona XD 7600
Smith-Corona XD 7800
Smith-Corona XD 8000
Smith-Corona XE 1600
Smith-Corona XE 1630
Smith-Corona XE 5000
Smith-Corona XE 5200
Smith-Corona XE 6200
Smith-Corona XL 1000
Smith-Corona XL 1800
Smith-Corona XL 1850
Smith-Corona XL 2000
Smith-Corona XL 2500
Smith-Corona XL 2800
Smith-Corona XL 4700
Smith-Corona XL 6100
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
Privileg 1602
Privileg Electronic 1600
Privileg Electronic 1601
Privileg Electronic 1602
Privileg Electronic 1610
Privileg Electronic 1620
Privileg Electronic 1630
Privileg Electronic 1640
Privileg Electronic 1800
Privileg Electronic 3800
Privileg Electronic 3900
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.