Image forming apparatus

Details Image forming apparatus Image forming apparatus

1990-08-10

1992-08-11

Grimley, A. T.

Photocopying

Contact printing

Light boxes

165 40, 355200, 355204, 355208, G03G 2100

Patent

active

051383756

ABSTRACT:
An image forming apparatus having a cooling fan, driven at a constant rotational speed while the apparatus is performing a copying operation. The fan changes the rotational speed in accordance with the temperature within the apparatus while the apparatus is in a standby condition. Therefore, the fan makes little noise, without causing a decrease in the operating efficiency of the apparatus which may result from a temperature rise within the apparatus.

REFERENCES:
patent: 4585319 (1986-04-01), Okamoto et al.
patent: 4756473 (1988-07-01), Takemae et al.
patent: 4903072 (1990-02-01), Iwata
patent: 4919195 (1990-04-01), Tanino
patent: 4952982 (1990-08-01), Tabuchi et al.
patent: 4955431 (1990-09-01), Saur et al.

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