松屋の券売機の平均操作時間 ワイの推計で「4分30秒」
The issue of Matsuya's ticket vending machines taking too long to operate is trending on social media. A user's estimate of "an average of 4 minutes 30 seconds" sparked widespread agreement, with comments like "I get it!" and "I panic when someone waits behind me."
Many point to the extensive menu and complex payment options as reasons for the extended operation time, leading to numerous calls for improvement.
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Touch Panel Vending Machines
Touch panel vending machines have replaced traditional button-based models and are now widely adopted in restaurants and commercial facilities. Their main advantages include labor cost reduction through automation, flexible menu changes and additions, easy multi-language support, and high compatibility with cashless payment methods. However, challenges regarding usability have also been noted. Issues often arise from deep menu hierarchies that make it time-consuming to find the desired item, or UI (User Interface) designs that are not intuitively clear. In Matsuya's case, the extensive customization options—including various set meal types, side dishes, toppings, and rice portion changes—often require considerable time for users to select their preferred combination. Furthermore, the step of choosing from a growing number of payment methods, such as QR code payments and e-money, also contributes to longer overall operation times. Especially when users are unfamiliar with the machine or when there are customers waiting behind them, the mental pressure can further slow down operations. This highlights the critical need to balance convenience and usability.
UX (User Experience) Design
UX (User Experience) design is a design philosophy and practice aimed at optimizing the entire "experience" a user gains when using a product or service. This encompasses not only usability but also emotional aspects such as enjoyment, efficiency, satisfaction, and trust. The importance of UX design in vending machines is extremely high, as whether users can complete operations smoothly, without stress, and with satisfaction significantly influences the system's evaluation. For example, menu layout, button size and color, font, screen transition logic, clarity of error messages, and time until payment completion—all these elements affect UX. The "4 minutes 30 seconds" estimate in this article suggests that some users may be experiencing UX challenges with Matsuya's vending machines. Specifically, the abundance of choices might lead to user confusion, resulting in longer operation times or negative experiences such like frustration during use. Excellent UX design aims to reduce users' cognitive load and enable efficient operation by organizing information, simplifying navigation, providing visual guidance, and offering quick access to frequently used functions. In the case of vending machines, this directly contributes to improving store turnover, making it a crucial element.
Human Error and Human Interface
Human error is a general term for mistakes made by humans during any task, encompassing cognitive errors, judgment errors, operational errors, and more. Human-Machine Interface (HMI), on the other hand, refers to the point of interaction between humans and machines, which in the case of vending machines includes screen displays, touch operations, and voice guidance. The "estimated average operation time of 4 minutes 30 seconds for Matsuya's vending machines" mentioned in this article suggests that the design of the human interface may be inducing human errors or causing delays in operation. For example, if there are too many menu items or similar options, users may make incorrect selections or take a long time to find their desired item. In touch panels, which lack physical feedback, operational errors can occur, such as unintended touches or mis-touching. Furthermore, while the diversification of payment methods enhances convenience, it can also increase cognitive load—users have to decide which method to choose and how to proceed—consequently extending operation time. Excellent human interface design aims to improve operational efficiency and accuracy by understanding users' cognitive characteristics and behavioral patterns and implementing measures to prevent errors (e.g., large buttons, clear labeling, visual feedback, appropriate information presentation). This enables both user stress reduction and store operational efficiency.