JPS63185149U

JPS63185149U -

Info

Publication number: JPS63185149U
Application number: JP7553287U
Authority: JP
Priority date: 1987-05-20
Filing date: 1987-05-20
Publication date: 1988-11-29

Description

[Brief explanation of the drawing]

第１図は本考案に係る画像形成装置の一例を説
明した要部の断面図、第２図は同上図におけるＡ
−Ａ矢視断面図、第３図はシヤツターユニツトの
説明図、第４図、第５図はそれぞれダクトの分岐
態様を例示した斜視図である。２……感光体、４……帯電器、６……濃度セン
サ、８……側板、１０……送風ダクト、１２……
送風フアン、１４……帯電手段送風ダクト、１６
……濃度センサ送風ダクト、４０，６０……穴。 FIG. 1 is a cross-sectional view of the main parts of an example of an image forming apparatus according to the present invention, and FIG.
-A sectional view, FIG. 3 is an explanatory view of the shutter unit, and FIGS. 4 and 5 are perspective views each illustrating a branching mode of the duct. 2... Photoreceptor, 4... Charger, 6... Concentration sensor, 8... Side plate, 10... Air duct, 12...
Air blower fan, 14... Charging means air duct, 16
...Concentration sensor air duct, 40, 60...hole.

Claims

[Scope of Claim for Utility Model Registration] In an image forming apparatus in which a photoreceptor configured as a rotating body is partitioned from the outside world by a side plate, and a charger and a density sensor are arranged inside the side plate and around the photoreceptor. , a plurality of holes formed in the side plate; a blower duct that communicates with each of the holes and extends outside the side plate; a blower fan provided on the extending side of the blower duct; a charging means ventilation duct, which is located inside the side plate and has one end communicating with any one of the holes and whose other end is open toward the charging means; An image forming apparatus comprising a density sensor air duct having one end communicating with any other one of the density sensor and having the other end open toward the density sensor.