Ricoh FW780 Service Manual - Page 75

1. ENVIRONMENT 1. Temperature Range: 15oC to 30oC (59oF to 86oF) 2. Humidity Range: 20% to 80% RH 3. Ambient Illumination: 4. Ventilation: 5. Ambient Dust: Less than 1,500 Lux (do not expose to direct sunlight). Minimum space 20 m3 Room air should turn over at least 30 m3/hr/person. Less than 0.15 mg/m3 (4 x 10-3 oz/yd3) 6. If the installation place is air-conditioned or heated, place the machine as follows: a) Where it will not be subjected to sudden temperature changes from low to high, or vice versa. b) Where it will not be directly exposed to cool air from an air conditioner in the summer. c) Where it will be directly exposed to reflected heat from a space heater in the winter. 7. Avoid placing the machine in an area filled with corrosive gases. 8. Avoid any area higher than 2,000 m (6,500 ft) above sea level. 9. Place the machine on a strong and level base. 10. Avoid any area where the machine may be subjected to frequent strong vibration. SM 3-1 A163