| 摘要 |
<P>PROBLEM TO BE SOLVED: To efficiently cool heating elements arranged in a horizontal end part side in a housing. <P>SOLUTION: The upper surface part 21H of the holding part 21E in a paper feeder tray 21 is provided with ventilation holes 21J, 21F. Thereby, cooling air can be efficiently guided to a first side frame side and a second side frame side, namely to a motor and a high-voltage power supply substrate and a low-voltage power supply substrate, to efficiently cool the motor and the high-voltage power supply substrate and the low-voltage power supply substrate arranged in the horizontal end part side in the housing. <P>COPYRIGHT: (C)2008,JPO&INPIT |
