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.