Ricoh FT4460, Service Manual, Page: 140 / 413

28 February 1989
1. INSTALLATION REQUIREMENTS
1.1 ENVIRONMENT
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9.
Temperature Range: 10°C to 30°C (50°F to 86°F)
Humidity Range: 15% to 90% RH
Ambient Illumination: Less than 1,500 Iux (do not exposure to direct sun-
light)
Ventilation: Room of more than 30 m
3
. Room air should turn over at least
3 times/hour.
Ambient Dust: Less than 0.15 mg/m
3
(4 x 10
-3
oz/yd
3
)
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.
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 reflected
heat from a space heater in winter.
Avoid placing the machine in an area filled with corrosive gas.
Avoid any places higher than 2,000 meters (6,500 feet) above sea level.
Place the machine on a strong and level base.
10. Avoid any area where the machine may be subjected to frequent strong
vibration.
3-1