Image forming apparatus
A technology of imaging equipment and equipment, which is applied in the direction of image communication, equipment for electrical recording technology using charge graphics, pile separation, etc., and can solve problems such as displacement
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Image
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no. 1 example
[0017] overall composition
[0018] The printer 1 serving as the image forming apparatus according to the first embodiment is an electrophotographic system type laser beam printer that forms a monochrome toner image on a sheet. Such as figure 1 As shown, the printer 1 includes: a printer main body 2 serving as an apparatus main body; a sheet feeding device 10 that feeds a sheet S; an image forming section 20 that forms an image on a sheet S fed by the sheet feeding device 10 ; the fixing unit 30 ; the discharge roller pair 35 ; and the controller 100 .
[0019] The image forming section 20 described above includes a process cartridge 40 , a laser scanner 45 serving as an exposure section, and a transfer roller 47 . The process cartridge 40 includes a photosensitive drum 41 configured to rotate and serves as an image bearing member, and also includes a charging roller 42 serving as a charging section, a developing roller 43 serving as a developing section, and the like around...
no. 2 example
[0052] Next, except figure 1 In addition, it will also refer to Figure 5 A second embodiment is described. The printer 201 of this embodiment differs from the first embodiment described above in the mechanism for positioning the sheet width regulation unit 50 relative to the scanner frame 3 , but other elements and effects are the same as those of the first embodiment. In the following description, the same elements as those of the first embodiment will be denoted by the same reference numerals or given the same names, description and illustration will be omitted or simplified, and portions different from the first embodiment will be mainly described.
[0053] Such as Figure 5 As shown, the scanner frame 3 of this embodiment is provided with a control unit positioning hole 203f and control unit long holes 3g and 3h. The regulating unit positioning hole 203f is defined along the gravitational direction D, and is longer in the feed direction C than in the width direction B....
no. 3 example
[0060] Next, except figure 1 In addition, it will also refer to Figure 6 and Figure 7 A third embodiment is described. The printer 301 of this embodiment differs from the first embodiment described above in the mechanism for positioning the sheet width regulation unit 50 relative to the scanner frame 3 , but other elements and effects are the same as those of the first embodiment. In the following description, the same elements as those of the first embodiment will be denoted by the same reference numerals or given the same names, description and illustration will be omitted or simplified, and portions different from the first embodiment will be mainly described.
[0061] Such as Figure 6 and Figure 7 As shown, the positions of the reinforcing plate 5 in the feeding direction C, the width direction B, and the gravity direction D are determined with respect to the scanner frame 3, and the scanner frame 3 and the reinforcing plate 5 are assembled integrally. The reinfor...
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