Imaging device
An image and image-carrying technology, which is applied to the electrical recording process using charge graphics, equipment, transportation and packaging of the electrical recording process using charge graphics, and can solve problems such as unfixed positions
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Image
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no. 1 example
[0031] 1 is a schematic configuration diagram showing an image forming apparatus according to a first embodiment of the present invention (the image forming apparatus is, for example, a laser printer with an electrophotographic system in the first embodiment). Additionally, with Figure 7 Components that are the same as those of the illustrated conventional image forming apparatus are denoted by the same reference numerals.
[0032] The image forming apparatus includes a photosensitive roller 1 serving as an image bearing member. A main charging device 2, developing device 3, transfer charging device 4 (corona charging system) and cleaning device 5 are disposed around the photosensitive roller, while an exposure device 6 is disposed between the main charging device 2 and the developing device 3 at the upper position in between. In addition, upper and lower guides 10, 11 for introducing the transfer material P into the transfer portion N formed on the upstream side of the tran...
no. 2 example
[0059] Figure 4 is a schematic configuration diagram showing an image forming apparatus according to a second embodiment of the present invention, Figure 5 The lower guide of the second embodiment is shown. In addition, components having the same functions as the components of the image forming apparatus of the first embodiment are denoted by the same reference numerals, while redundant explanations are omitted.
[0060] The lower guide member 11 of the second embodiment is constructed such that an insulating member 11b is bonded to the inner side (transfer material passing surface side) of a conductive member 11a, wherein the insulating member 11b is ABS resin having a thickness of about 200 μm, and the conductive member 11a is made of A flat SUS sheet having a thickness of 1.0 mm was constituted. A convex surface 11d in the lengthwise direction is processed at a predetermined position of the insulator 11b (for example, in the second embodiment, the end portion 11c from t...
no. 3 example
[0070] In the lower guide 11 of the third embodiment, as Figure 6 As shown, a flat insulating member 11e along the length direction, having a predetermined size, is fixed as a height adjusting member at a predetermined position on the bonding surface of the conductive member 11a with the insulating member 11b (in the third embodiment For example, at a position of about 2.5 mm from the end portion 11c on the N side of the transfer portion). The height adjuster is covered with a sheet insulation 11b, while a raised surface 11d having a flat surface is formed.
[0071] Other structures and imaging operations of the third embodiment are similar to those of the first embodiment. Only the lower guide 11 will be explained in the third embodiment.
[0072] For the lower guide member 11 of the third embodiment, an approximately 100 μm thick polytetrafluoroethylene (PTFE) sheet is used as the insulating member 11b and the flat insulating member 11e, and is bonded to the conductive me...
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