VERY DIFFICULT TO LOCATE OEM 2000 - 2004 Sammy, Aristocrat, Rodeo, almost all models.  See power supplies in photos.  Fits almost ALL machines that have 6amp/6amp and 6amp/15amp fuses on front (see photos).  Fits MANY machines including:

Alicia

Back to the Future Deluxe

Charlies Angels

Club Rodeo

Derby Boy

Devil May Cry

Disc Up

Dokaben

Dokojougaerus

Double Challenge

Double Face

Dynamite Wave

Dynasty Wars

Fire Drift

Gamera (with rounded lights on top and bottom left)

Gamera High Grade

George K

Gin Gin Maru

Godzilla P SW

Hokutonoken All Versions

Hyper Remix

Ichigeki Teioh

Indy Jaws

Jet Set Radio

Kaiji

King Camel

King Wild

Lion King

Mask of Zoro

Mask Rider DX

Momotarou Dentet SU

Omimusha

Ore No Sora

Otokojuku

Popeye 2005

Premium Dynamite

Renkin

Salaryman Kintaro

Slotter Kintaro

Savanna Chance

Savanna Park

Ultraman Club ST

Yajyu

Your machine must have one of the 4 Power Supplies shown in the photos.  Your key may or may not have a black handle  - it may be all metal, taken at random from inventory.