These printers use the 52106001 cartridge:

Okidata Microline 590

Okidata Microline 590 ELite

Okidata Microline 590 N

Okidata Microline 591

Okidata Microline 591 ELite

Okidata Microline 591 N

Okidata ML 520

Okidata ML 521

Okidata ML 590

Okidata ML 590 ELite

Okidata ML 591

Okidata ML 591 ELite

Anzac-Comp-Equipment 2351

Basic-Four 4234

Basic-Four 4235

Burroughs-Unisys AP 1357

Burroughs-Unisys AP 1357 Color Printer

Burroughs-Unisys AP 1357 Color PTR

Burroughs-Unisys AP 1359

Burroughs-Unisys AP 1359 Color Printer

Burroughs-Unisys AP 1359 Color PTR

Data-General 6905

Unisys AP 1357 Color PTR

Unisys AP 1359 Color PTR