HP LaserJet 4 Service Manual - Page 29

2 Site Planning and Requirements Site Requirements The environmental specifications, listed in the Specifications section of Chapter 1, must be maintained to ensure the proper operation of this printer. Consider the following points before installing the printer: • Install the printer in a well-ventilated area. • Install the printer on a sturdy, level surface. • Install the printer where the temperature and humidity do not change abruptly. Do not position the printer near water sources, humidifiers, air conditioners, refrigerators, or other major appliances. • Do not expose the printer to direct sunlight, dust, open flames, or ammonia fumes. If the printer is placed near a window, make sure the window has a curtain or blind to block direct sunlight. • Install the printer away from walls. There must be enough space around the printer for proper access and operation (see Figure 2-1). Site Planning and Requirements 2-1