| 摘要 |
An image forming apparatus is provided which is capable of preventing the heat radiated from a high-voltage power source board from raising the temperature around the high-voltage power source board to a high temperature. A cooling fan is disposed opposite to the side of the high-voltage power source board where electronic components are disposed, as well as substantially in parallel with the high-voltage power source board; the cooling fan blows air upon the high-voltage power source board; and a heat-radiating component disposed on the high-voltage power source board, such as a transistor and a transformer, is located one-sidedly near the cooling fan, so that they can be efficiently cooled.
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