Ricoh FW780 Service Manual - Page 345

INSTALLATION REQUIREMENTS 3. INSTALLATION 3.1 INSTALLATION REQUIREMENTS 3.1.1 ENVIRONMENT 1. Temperature Range: 15°C to 30°C (50°F to 86°F) 2. Humidity Range: 20% to 80% RH 3. Ambient Illumination: Less than 1,500 lux (do not expose to direct sunlight). 4. Ventilation: 5. Ambient Dust: Room air should turn over at least 3 times per hour. Less than 0.10 mg/m3 (2.7 x 10-6 oz/yd3) 6. If the location 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 not be directly exposed to heat. 7. Avoid exposure to corrosive gases. 8. Avoid installing anywhere 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. Installation SM 3-1 B047/B048