These printers use the 1380950 cartridge:

Alcatel 8339

DataGeneral 6892

DataGeneral 6892 A

DataGeneral 6892 T

DataGeneral 6893

DecisionData 6012

DecisionData 6016

Genicom 7910

Genicom 7910 CX

Genicom 7910 R

Gestetner 6110

Gestetner 6116 L

IBM 3812

IBM 3816

IBM 3912

IBM 3912 AS0

IBM 3912 AS1

IBM 3912 NS0

IBM 3912 NS1

IBM 3916

IBM 3916-02D

IBM 3916-03D

IBM 3916-03S

IBM 3916 ASI

IBM 3916 ASO

IBM 3916 NSI

IBM 3916 NSO

IBM 4039

IBM 4039-10R 10R/DUPLEX

IBM 4039-12C

IBM 4039-12L

IBM 4039-12L+

IBM 4039-12R

IBM 4039-12R+

IBM 4039-16L

IBM 403910 R

IBM Laserprinter 12 L

IBM Laserprinter 12 L+

IBM Laserprinter 12 R

IBM Laserprinter 12 R+

IBM Laserprinter 16 L

IBM Laserprinter 16 L+

ITT 13 X38

ITT Courier 13 X38

Lexmark 3812

Lexmark 3816

Lexmark 3912

Lexmark 3916

Lexmark 4039

Lexmark 4039-10R 10R/DUPLEX

Lexmark 4039-12C

Lexmark 4039-12L

Lexmark 4039-12L+

Lexmark 4039-12R

Lexmark 4039-12R+

Lexmark 4039-16L

Lexmark 4039-16L+

Lexmark 4039 Model 10R

Lexmark 4039 Model 12L

Lexmark 4039 Model 12L Plus

Lexmark 4039 Model 12R

Lexmark 4039 Model 12R Plus

Lexmark 4039 Model 16L

Lexmark 4039 Model 16L Plus

Lexmark 403910 R

Memorex 5030

Memorex 5032

Memorex 5038

Memorex 5038 IPDS

Nashuatec 910

Nashuatec 916 L

Rosetta RT 4039 MICR

Source-Technologies ST 4039-10M MICR

Source-Technologies ST 4039-16M MICR

Sun Sparcprinter Ii

Sun Sprn 600

Sun Sunpics Sparcprinter Ii

Telex 5030

Telex 5032

Telex 5038

Unisys AP 9216

Unisys AP 9310

Unisys AP 9312

Unisys AP 9316