The AB4200 is a heavy-duty money counter designed for any type of business, ranging from small retailers to large sized stores. This is a user-friendly machine with front-loading capabilities allowing the user to easily add bills while the machine counts them. This saves time and reduces significant losses due human errors during the counting process. This unit is optionally equipped with a counterfeit detection system that includes ultraviolet, magnetic ink, and size detection. The AB4200 provides the user with accurate and adjustable counting speeds as quick as 1800 bills per minute. The user can be notified with a visual and audible alert when double bill, suspicious bill size, and chained bills are detected.