| 摘要 |
PURPOSE:To efficiently discharge hot air even without the use of an exhaust fan, to eliminate the occurrence of dewing, and to prevent a defective image due to dewing. CONSTITUTION:The top surface 2a of a casing 2 is provided with an opening part 21, and a door 7 for opening/closing the opening part 21 is provided. The door 7 is closed when an original platen 1 moving to the opening part 21 is abutted on the door 7. When the original platen 1 is apart from the position above the opening part 21, the door 7 is opened by a torsion spring 8. |
