These printers use the SF-5100 cartridge:

Samsung ML 535 E

Samsung ML 5100

Samsung MSYS 5100

Samsung MSYS 5100 P

Samsung SF 515

Samsung SF 525

Samsung SF 530

Samsung SF 530 I

Samsung SF 530 PD

Samsung SF 531

Samsung SF 531 P

Samsung SF 535 E

Samsung SF 5100

Samsung SF 5100 I

Samsung SF 5100 P

Samsung SF 5100 PI