ABSTRACT In order to satisfaction the convenience of modern's life, the information products bring the new constantly. However, the results of innovation, so that to shorten the product life cycle a lot, resulting in a lot of waste, some because the sake of convenience goods, raw materials cheaper, considering such factors as the cost of the neglect of environmental protection, ecology and environment has been so serious destroyed, therefore all countries over the past few years have started to attach importance to environmental protection. In this study, Customer's demand of the laser printer is divided into four large aspects altogether: cost, appearance, function and environment. Include the demand that 19 customers pay attention to among them, found in the most important customers for the low failure rate and low power consumption. Obviously find out customers are in using, especially pay attention to the quality of the products, reducing the trouble can increase customers and use the satisfaction on the products, and can reduce electric rate, but also can get the result of reducing energy consumption.