Image medium and device and method using image medium to record imges
An image carrier and image recording technology, which can be applied to the equipment of the electric recording process using the charge pattern, the electric recording process using the charge pattern, and the electric recording technique, etc., which can solve the limitation of the improvement of the transfer rate and the inability of the initial transfer rate. Problems such as improvement and poor transfer rate
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Embodiment 1
[0070] FIG. 2 shows an image recording apparatus according to Embodiment 1 of the present invention.
[0071] The image recording apparatus has a photosensitive drum 101 , a charger 102 , a particle supply unit 103 , an image storage unit 104 , a developing unit 105 , a transfer charger 106 , a separation charger 107 , a conveyor belt 110 and a destaticizing exposure unit 108 . The photosensitive drum 101 is an image carrier irradiated with image light after being uniformly charged, thereby forming an electrostatic latent image on the surface. The charger 102 is provided on the outer circumference of the photosensitive drum 101 . The charger 102 is charging means for charging the surface of the photosensitive drum 101 to a predetermined potential. The particle supply unit 103 uniformly supplies light-transmitting particles to the surface of the photosensitive drum 101 . The image storage unit 104 irradiates the surface of the photosensitive drum 101 with image light based on...
example 1
[0100] The present inventors tried to manufacture an image recording device as shown in FIG. 1 . Experiments were then conducted to examine the initial transfer residue density as the transfer rate of the initial toner image, and the transfer residue density after 10,000 transfers. In the image carrier used, a hexamethyldisilazane solution in which 0.15 μm silicon particles were dispersed was applied to an OPC photoreceptor. The thickness of the particle layer is 0.5 µm, and spherical particles are used. Similar experiments were performed with silicon particles of unlimited shape.
[0101] As a result, it was confirmed that when spherical particles were used, the initial transfer residue density representing the transfer rate of the initial toner image and the transfer residue density after 10,000 transfers were both very low and satisfactory, 0.01, respectively. and 0.04. On the other hand, in the case of using silicon particles of an indeterminate shape, the initial trans...
Embodiment 2
[0103] FIG. 4 shows Embodiment 2 of the present invention. In Example 2, the design of the particle supply mechanism is different from Example 1.
[0104] In Embodiment 2, as shown in FIG. 4 , a particle supply unit 203 having a rotating brush in contact with the image carrier 101 is employed instead of the particle supply unit 103 provided in the image recording apparatus shown in FIG. 1 . In this particle supply unit 203 , a rotary brush 231 is provided at an opening portion of a housing 234 for containing particles, and a blade 232 for supplying particles to the rotary brush 231 is provided behind the rotary brush 231 . The rotating brush 231 is driven to rotate so that the bristle ends move in the same direction as the surface of the image carrier 101 on the portion of the rotating brush 231 abutting against the image carrier 101 . The speed of the rotating brush 231 is determined such that the bristle ends move at a slightly higher peripheral speed than the image carrier...
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Abstract
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