These printers use the 52106201 cartridge:

Okidata Okifax 4100

Okidata OKIOFFICE 4 M

Okidata OKIOFFICE 4 W

Okidata OKIOFFICE 44

Okidata OKIPAGE 4 W

Okidata OKIPAGE 4 W Plus

Okidata OKIPAGE 4100

Imagistics 1100

Lanier LanierFax 4050

Lanier M 4050

Mufax 1021

PitneyBowes-Imagistics 1100