SAM4s and Samsung Cash Register 6-Key Set 

Register, Void, Z, Program, Service ("C" key), and Drawer Key

Compatible with SAM4s/Samsung Registers:

ER-180U

ER-260EJ

ER-265EJ

ER-265

ER-285M

ER-290

ER-350

ER-380M

ER-390

ER-5115 

ER-5115II

ER-5200 

ER-5200M

ER-5215 

ER-5215M

ER-5240 

ER-5240M

ER-650

ER-650R 

ER-655

ER-915

ER-920

ER-925

ER-940

ER-945

NR-510RB

NR-510B

SER-7000 

SER-7040

SPS-320

SPS-340

SPS-345

SPS-520

SPS-530 

and many more models