Importance

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Abstract

A modular transaction printer for generating financial transaction records such as gaming vouchers and coupons. The printer uses self-contained expansion modules that plug into a printer port for easy in-field upgradeability. The printer includes a mechanical package to allow modules to be inserted from the printer exterior, an electrical interface to allow modules to communicate with the printer electronics, and a latching mechanism to secure the modules to the printer for easy connect and disconnect from the printer body. Each module includes dynamic memory, non-volatile memory, processor circuitry necessary to accomplish a port or an interface with an outside host device, and a standard bus style interface method for interchangeable expansion modules. By using interchangeable expansion modules, a printer can be configured as a base or basic model. Then depending on configuration requirements, the interchangeable modules can be securely attached to the printer.

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First Claim