| 摘要 |
PROBLEM TO BE SOLVED: To improve capture efficiency of ultrafine particles taken into the inside of a duct.SOLUTION: A monochrome laser printer 1 of the present invention comprises: a housing 10; a fixation device 60 for fixing a toner image on paper by heat; and an exhaust device 100 for exhausting gas in the vicinity of the fixation device 60 to the outside of the housing 10. The exhaust device 100 comprises: a duct 110 including an inlet 111 for taking gas in and an outlet 112 for exhausting gas to the outside of the housing 10; a fan 120 for generating an air flow inside the duct 110; attraction particles 140 provided inside the duct 110, movable inside the duct 110, and attracting ultrafine particles included in gas; and a filter 150 provided inside the duct 110 and capturing the attraction particles 140. |
