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August 2006 THERMISTORS, THERMOSTATS

6-141

Detailed

Descriptions

6.15.4 FUSING UNIT VENTILATION

[A]: Fusing unit

[B]: Heat sink

[C]: Fusing cooling fan

[D]: Fusing exhaust fan

Heat rising from the fusing unit [A] collects around a heat sink [B]. The heat sink

contains pipes with water that help to cool the hot air.

The fusing cooling fan [C] pulls cool air into the machine and blows it over the heat

sink. The fusing exhaust fan [D] pulls the heated air away from the heat sink and

expels it through a vent.

B132D964.WMF

[A]

[B]

[C]

[D]

Toshiba e-STUDIO4500c Service Manual

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