MEI Coin Changer Series 4000. This listing is for a genuine MEI Coin Changer Series 4000, commonly used in vending machines and commercial laundry equipment. Model: Series 4000. Type: Coin Changer / Coin Acceptor. Includes: Complete unit with front keypad and housing (as shown). Condition: Used, removed from service. Unit appears to be in good physical condition with normal cosmetic wear from use. No cracks or broken mounts observed. Please review all photos carefully for exact condition and connector layout. Part numbers, labels, and connector orientation must be matched. No additional parts or accessories are included beyond what is shown in the photos.