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Electrophotography > Control Of Electrophotography Process > Control Of Transfer Control Of TransferControl Of Transfer patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.06/14/07 - 20070134016 - Image forming apparatus and image forming method A color image forming apparatus includes an intermediate transfer member, a first forming portion having a first transfer unit, a second forming portion provided downstream from the first forming portion, a third forming portion provided downstream from the second forming portion, a fourth forming portion provided downstream from the third ... 06/07/07 - 20070127941 - Image forming apparatus An image forming apparatus in which a visible image is transferred to a transfer material includes a pre-transfer exposing unit that makes only a portion of a latent image carrier that corresponds to a leading edge of the transfer material expose, and a transfer-bias applying unit that applies a bias ... 05/10/07 - 20070104502 - Image forming apparatus An image forming apparatus comprises an image forming portion that forms a toner image on an image carrying body, a transfer portion that transfers the toner image formed on the image carrying body to a recording medium, a detector that detects at least one of a skew and a passing ... 03/01/07 - 20070047988 - Transfer bias adjustment based on component life An electrophotographic image forming device may use a feedback loop to determine environmental conditions and accordingly set one or more operating parameters. The device may detect a resistance/capacitance characteristic of a feedback loop comprising an interface between a first component and a second component of an image forming unit. The ... 02/01/07 - 20070025749 - Transfer control unit of an image forming apparatus A transfer control unit of image forming apparatus is structured such that any one of the computation formulae each allocated to every range of each use environment divided by threshold voltages Vw established in advance corresponding to use environments is selected, representative values Vspa1, Vspa2, and Vspa0 of sampling voltages ... 12/21/06 - 20060285865 - Method and apparatus for controlling transfer voltage in image forming device A method and apparatus for controlling a transfer voltage applied to a transfer roller in order to transfer a toner image formed on an intermediate transfer member to a medium in a multi-path type electrophotographic image forming device are provided. An amount of toner transferred from the photoconductive member to ... 10/05/06 - 20060222392 - Image forming apparatus The invention is an image forming apparatus which transfers an image formed on a photosensitive member 11 onto a transfer material 19 at a transfer position, the apparatus includes: a transfer roller 12 which contacts with the photosensitive member 11 at the transfer position; a power supply circuit 17 which ... 10/05/06 - 20060222391 - Method and apparatus for controlling transfer voltage in image forming device A method of and apparatus for controlling a transfer voltage in an electro-photographic image forming apparatus. A transfer roller resistance between a transfer roller and a photosensitive drum is detected with a constant voltage applied to the transfer roller in a state where the photosensitive drum and the transfer roller ... 09/14/06 - 20060204263 - Image forming apparatus A copying machine of the present invention includes a photosensitive drum, a transfer belt which is extended between a plurality of rollers and has a contact section in contact with the photosensitive drum, and a transfer bias supply which applies an electrical charge for transfer to the contact section. At ... 09/14/06 - 20060204262 - Image forming apparatus In am image forming apparatus according to the present invention, a controller 191 increases and decreases a transfer current from a transfer roller 23 in accordance with the rise and fall of setting values to be set of the background potential of a photoconductor drum 10 and developing bias potential ... 09/07/06 - 20060198650 - Image forming apparatus and method of determining transfer voltage thereof An image forming apparatus includes: an image supporting member; a transfer member for transferring a developer image formed on the image supporting member to a medium; a current supply unit for supplying a detection current to the transfer member; a voltage detection unit for detecting a voltage generated in the ... 08/03/06 - 20060171730 - Image forming apparatus with control of transfer charge An electrostatic latent image transferring apparatus applies a transferring bias to a transfer member in a transferring portion, wherein a transferring bias value is determined on the basis of a first detection result detected when the surface of the image bearing member which has passed a portion opposed to the ... 07/20/06 - 20060159475 - Image forming apparatus A color laser printer is configured to fulfill Qmin<Qs for suppressing occurrence of reverse transfer of toner. Qmin designates the minimum amount of transfer electric charge per unit area required to transfer a toner image of the maximum amount of toner onto a sheet (hereinafter referred to as a “per-unit-area ... 06/15/06 - 20060127116 - Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer device A transfer device transfers a visual image from an image carrier to a recording medium. The transfer device includes a first transfer element that moves and receives the visual image from the image carrier on a first surface of the first transfer element, a second transfer element provided opposite to ... 06/15/06 - 20060127115 - Image forming apparatus and image forming method It is an object of the preset invention to prevent jamming with small-sized print materials without disturbing an image located at a trailing end of a print material. An image forming apparatus has a photosensitive drum that carries a toner image, a transfer device which can apply a transfer bias ... 05/18/06 - 20060104651 - Control system for a xerographic transfer station using a belt An electrostatographic printing apparatus comprises a charge receptor, and a transfer station for transferring a toner image from the charge receptor to a sheet by providing an electric field of predetermined magnitude at a transfer zone. The transfer station includes a rotatable transfer member, with a cleaning corotron associated therewith. ... 04/06/06 - 20060072932 - Image forming apparatus for preventing resistance variation of intermediate transfer belt and method thereof An image forming apparatus for performing a printing job using an intermediate transfer belt is provided. The image forming apparatus has a voltage determination part for determining a predetermined level of a refresh voltage corresponding to a potential difference which is generated on opposite surfaces of the intermediate transfer belt, ... 03/30/06 - 20060067720 - Image forming apparatus and transferring method An image forming apparatus according to the present invention is provided with a plurality of image bearing members, an intermediate transfer member, a plurality of first transfer devices, a second transfer device, and a charge amount adjustment section. The image bearing members carry images of respective colors. The intermediate transfer ... 03/16/06 - 20060056869 - Image forming apparatus Disclosed is an image forming apparatus that comprises: an image bearing member; an image forming unit for forming a toner image on the image bearing member; an intermediate transfer member; a first transfer device for transferring the toner image on the image bearing member onto the intermediate transfer member; a ... 03/02/06 - 20060045554 - Image forming apparatus An image forming apparatus forms a multiple-color image with at least two process speeds. A secondary-transfer-bias applying unit applies a bias to a secondary transfer unit at a non-image-formation time. A secondary-transfer-output detecting unit detects an output value with respect to each of the at least two process speeds. A ... 02/09/06 - 20060029410 - Image-forming device An image-forming device has an image-carrying unit, a transferring unit, a power-supplying unit, a current-detecting unit, a voltage-detecting unit, a memory unit, and a controller. The power-supplying unit supplies voltage and current to the transferring unit to transfer the toner onto the recording medium. The current-detecting unit detects the current ... 11/03/05 - 20050244180 - Method and apparatus for forming an image In the present invention, in an image forming apparatus for laminating images by using an intermediate transferring body, it is sensed that all toner images corresponding to image data for the same sheet material are formed on the intermediate transferring body in an arbitrary order, and the toner images are ... 11/03/05 - 20050244179 - Toner transfer technique A module, included in an electrophotographic printer, for making toner images by a method in which transfer current for electrostatic transfer of toner images to receiver members is adjusted to compensate for ambient variations of toner charge-to-mass ratio (q/m). A predetermined functional relationship between transfer current and a control voltage ... 10/06/05 - 20050220472 - Image-forming device An image-forming device which facilitates, with a simple structure, the realization of suitable transfer condition control in more situations is disclosed. While the transfer voltage applied to a transfer member such as a transfer roller is detected by a transfer voltage detector, the transfer current is detected by a transfer ... 09/08/05 - 20050196190 - Image forming apparatus adjusting color taste of toner image An image forming apparatus includes an image bearing member, first toner image forming device of forming a first toner image by a first toner, second toner image forming device of forming a second toner image by a second toner, transferring device of transferring the first toner image on the image ... 08/18/05 - 20050180767 - Image forming apparatus An image forming apparatus in which a visible image is transferred to a transfer material includes a pre-transfer exposing unit that makes only a portion of a latent image carrier that corresponds to a leading edge of the transfer material expose, and a transfer-bias applying unit that applies a bias ... 07/21/05 - 20050158065 - Data transfer control device and electronic equipment Aspects of the invention can provide a data transfer control device that can switchover VBUS feed voltage. The transfer controller can send a switchover request packet to switch over a VBUS feed voltage to a plug B coupling side (device B side). When the transfer controller receives a switchover consent ... 06/30/05 - 20050141912 - Transfer device A transfer device has a control circuit. The control circuit initiates supplying transfer power to one or more first transfer rollers and to a second transfer roller when a first transfer operation is initiated by a first transfer roller positioned most upstream with respect to a direction in which an ... 06/30/05 - 20050141911 - Image forming apparatus and image forming system What is disclosed is an image forming apparatus which receives a job of a printing from outside of the apparatus with an instruction of changing a condition of transfer that corresponds to said job and that is valid only for said job. And, the image forming apparatus comprising: a transferring ... 06/23/05 - 20050135826 - Systems and methods for current density monitor and control in a copy substrate Current density to copy substrates of varying widths if monitored and controlled in the electrostatic transfer unit of an electrostatic reproduction device. Current density through a copy substrate is appropriately adjusted to compensate for the presence of end leakage current effect to a receptor. Voltage supplied to a current generation ... ### FreshPatents.com Support |