摘要:
An image forming apparatus includes: a photoconductor; an optical writer to write a latent image on the photoconductor; an image data generator to generate image data of at least one of text and image and of a correction pattern; a light emission controller to control a light source of the optical writer; a developing device to develop the latent image into a toner image; a transfer device to transfer the toner image onto a recording medium; a fixing device to fix the toner image thereon; a detector to detect the toner image of the correction pattern formed according to the image data; and a writing position controller to control when the light source emits light based on the toner image detected. The correction pattern is formed at each of four corners inside a margin of the recording medium, and includes two edges in each of main scanning and sub-scanning directions.
摘要:
An image forming apparatus includes a rotatably supported photosensitive drum, a charging roller configured to charge the photosensitive drum, a developing sleeve configured to develop an electrostatic latent image formed on a surface of the photosensitive drum and collect toner adhered to the photosensitive drum, an electricity removal sheet disposed on a downstream from the charging roller in a direction of movement on a surface of the photosensitive drum and disposed on an upstream side from the developing sleeve and arranged in contact with the photosensitive drum, and an electricity removal high-voltage power supply configured to apply voltage to the electricity removal sheet. The electricity removal high-voltage power supply an image-forming period applies a DC bias having a polarity identical to a charging polarity of the photosensitive drum and having a lower absolute value than that of the charged potential of the photosensitive drum to electricity removal sheet.
摘要:
A photoconductor includes an electroconductive substrate; an intermediate layer overlying the electroconductive substrate; and a photosensitive layer overlying the intermediate layer. The intermediate layer includes a metal oxide particle and a binder resin, and satisfies the following relations (1) and (2): Smr=Scut/Sk (1) 0.4≦Smr≦0.6 (2) wherein Smr represents an areal ratio of projecting parts; Sk represents a reference area; and a Scut represents a cross-sectional area obtained by cutting a three-dimensional curved surface obtained from the reference area with an average height surface, the average height surface being a surface constituted of averaged height of all measured height data.
摘要:
A charging member includes a contact section and a supported section. The contact section is in contact with a charged body. The supported section is integrated with the contact section and is supported by a support member. The supported section has a lower hardness than the contact section.
摘要:
Provided is an apparatus and method of manufacturing a color filter adsorbing toner nano-particles by using electrostatic force. In the apparatus for manufacturing the color filter, a laser driver generates at least one laser control signal according to electrification data, at least one laser device forming a laser irradiation unit which irradiates a laser for a predetermined time according to the at least one laser control signal. According to the irradiated laser, electrostatic latent images are formed in positions of color filter cells having a predetermined resolution standard requirements in a glass substrate, and toner nano-particles are electrostatically adsorbed to the formed electrostatic latent images.
摘要:
To provide an ion generator and an image forming apparatus which control selective ion generation by a voltage lower than the conventional voltage, and are inexpensive and sized as small as possible. In an ion generator which selectively generates ions, ion generation is controlled by temperature control of discharge electrode parts, whereby an ion generator that is inexpensive and sized as small as possible is provided in which discharge electrodes and an electrode are disposed via dielectrics disposed between these, heating elements are provided corresponding to the discharge electrodes, the temperatures of the discharge electrodes are controlled, and an appropriate high voltage is applied between the discharge electrodes and the an electrode, the discharge of the discharge electrodes is controlled by heating of the heating elements, and generation of ions by discharge of the discharge electrodes can be controlled by a low voltage in response to heating control of the heating elements.
摘要:
Light emitted from an entire surface of a light source is passed selectively through a liquid crystal shutter. The shutter can be controlled to open/close on a pixel basis in response to image data and then selectively passed light is converted into light having a specified wavelength by a nonlinear optical element before impinging on a metal film. The metal film induces and emits its own electrons and forms an electrostatic latent image directly on a dielectric film.
摘要:
Electron generating devices and LED arrays are arranged in a surrounding area of a photosensitive drum. The electron generating devices are located downstream of a cleaner and upstream of a developing unit with respect to a turning direction of the photosensitive drum with a specific gap between the electron generating devices and a surface of the photosensitive drum. The LED arrays are disposed against outer ends of the electron generating devices opposite to inner ends thereof facing the photosensitive drum. When activated by a driving circuit according to image information, individual LED elements of the LED arrays emit light, causing the electron generating devices to emit electrons in a pattern corresponding to the image information. The electrons emitted from the electron generating devices produce more electrons due to an electron avalanche phenomenon before reaching the photosensitive drum, eventually forming an electrostatic latent image on the surface of the photosensitive drum.
摘要:
A photosensitive member which has an electrode provided on the front side and a photoconductive layer stacked on the electrode, the photosensitive member being disposed face-to-face with an electrostatic information recording medium that includes a charge retaining layer having an electrode provided on the rear side, either in or out of contact with each other, to carry out exposure with a voltage being applied between the two electrodes, thereby forming an electrostatic charge pattern on the electrostatic information recording medium in accordance with an exposure light pattern. The layer arrangements of the photosensitive member and the photoconductive layer as well as the method of forming the photoconductive layer are improved so that electrostatic information can be recorded on the electrostatic information recording medium with high sensitivity and it is also possible to improve the contrast ratio of the information charge at the exposed region to that at the unexposed region.
摘要:
The present invention relates to an electrostatic information recording medium in which a charge retaining layer having high insulating properties is laminated on an electrode, and an electrostatic information recording/reproducing process wherein, while said electrostatic information recording medium is positioned in opposition to a photosensitive member on which a photoconductive layer is laminated, the recording medium is subjected to information exposure with the application of voltage between both electrodes to accumulate electrostatic charges thereon depending upon the dosage of said information exposure, and the electrostatic information thus accumulated is reproduced by potential reading.The present electrostatic information recording medium has an information density as expressed in terms of a high recording capacity of the order of 8.times.10.sup.8 bits/cm.sup.2, and makes it possible to process information in a planar state so that analog or digital information such as characters, line pictures, images, (0.1) information and sounds can be accumulated in the form of electrostatic charges. Due to its high charge retainability, it is further possible to store information permanently.
摘要翻译:本发明涉及一种静电信息记录介质,其中具有高绝缘性的电荷保持层层压在电极上,以及静电信息记录/再现过程,其中当所述静电信息记录介质与感光构件相对置 在其上层叠有光电导层,根据所述信息曝光的剂量,通过施加两电极之间的电压来对记录介质进行信息曝光,以在其上累积静电电荷,并且通过潜在读数再现累积的静电信息。 本静电信息记录介质具有以8×10 8位/ cm 2的高记录容量表示的信息密度,并且使得可以在平面状态下处理信息,使得诸如字符,行等的模拟或数字信息 图像,图像,(0.1)信息和声音可以以静电电荷的形式累积。 由于其高的电荷保持性,因此还可以永久地存储信息。