HP LaserJet 9040/9050 Service Manual - Page 32

Site requirements Operating environment The electrical and environmental specifications must be maintained to ensure the proper operation of this printer. See "Product specifications" in chapter 1. Consider the following points before installing the printer: z Install in a well-ventilated, dust-free area. z Install on a level, flat surface that can support the printer size and weight. Make sure that all four printer feet are level. Do not install on carpet or on other soft surfaces. z Make sure that an adequate power-supply circuitry is available. See "Product specifications" in chapter 1. z Install where temperature and humidity are stable, and where no abrupt changes occur (away from water sources, humidifiers, air conditioners, refrigerators, or other major appliances). See "Product specifications" in chapter 1. z Install away from direct sunlight, areas that experience vibration, open flames, ultrasonic heaters, ammonia fumes, or magnets and devices that emit a magnetic field. If the printer is placed near a window, make sure that the window has a curtain or blind to block direct sunlight. z Maintain enough space around the printer for proper access and ventilation. See "Space requirements" on page 17. 16 Chapter 2 Product requirements