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Electrophotography > Control Of Electrophotography Process > Having Temperature Or Humidity Detection

Having Temperature Or Humidity Detection

Having Temperature Or Humidity Detection 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.

09/13/07 - 20070212084 - Image forming apparatus with gamma conversion means
The invention provides an image forming apparatus and an image forming method, capable of providing an image with little deterioration, even in case the image contrast has to be adjusted not for the purpose of image adjustment, such as for reducing the toner consumption amount or for preventing the leak ...

08/09/07 - 20070183799 - Image formation apparatus, an image formation method, an image formation program, and a computer-readable recording medium
An image formation apparatus, an image formation method, an image formation program, and a computer-readable recording medium are disclosed. The image formation apparatus, wherein a developer supply roller supplies a developer to a development unit, includes a quality information acquiring unit for acquiring quality information chosen by a user out ...

06/28/07 - 20070147860 - Image forming apparatus
An image forming apparatus is operable to form an image on a recording medium. An image carrier is adapted such that a toner image is formed thereon by developing an electrostatic latent image. An intermediate transfer member is adapted such that the toner image is primarily transferred thereto. In a ...

05/17/07 - 20070110461 - Image forming apparatus and method of correcting color misregistration in image forming apparatus
A determining unit determines whether a difference between a temperature value and a temperature detected by a temperature detecting unit is equal to or larger than a first value. A pattern forming unit, when the determining unit determines that the difference is equal to or larger than the first value, ...

05/17/07 - 20070110460 - System and method for adjusting transfer current in an image transfer machine
In a printing machine having at least one transfer device driven in response to an electrical signal and operable to transfer a medium onto a sheet, a method of controlling the magnitude of the electrical signal driving the transfer device comprises assigning a magnitude of the electrical signal for driving ...

05/03/07 - 20070098422 - Image forming apparatus
An image forming apparatus includes a toner image forming section, an image carrying section, a transferring section, a recording material conveying section, a heat fixing section, a wet fixing section, and a recording material supply section. In the image forming apparatus, a surface temperature of fixing roller in the heat ...

05/03/07 - 20070098421 - Image forming device
The present invention is an image forming device in which the conditions for specific processes are changed in accordance with the humidity. The present invention includes a colored material whose color changes with humidity, detection means for detecting the color of the colored material, and control means that changes the ...

05/03/07 - 20070098420 - Image forming device
An image forming device 30 is constituted capable of executing a refresh mode, including: a toner discharge process that transports toner on a developing sleeve 4a inside a developing unit 4 to a photoreceptor drum 1 side when starting up the image forming device from the power supply off state, ...

04/05/07 - 20070077079 - Electro-photographic image forming apparatus and method for determining a charging voltage
Provided is an electro-photographic image forming apparatus and a method of determining a charging voltage thereof. The electro-photographic image forming apparatus includes: a charge roller for supplying a voltage of a predetermined level to a photoconductor; a transfer roller for transferring a developed image to a printing media by using ...

03/15/07 - 20070059000 - Image forming apparatus
A printer 20 includes a photosensitive drum 1, a charge roller 2 for electrically charging the photosensitive drum 1, a developing device 4 for developing an electrostatic latent image on the photosensitive drum 1 into a toner image, a transfer roller 5 for transferring the toner image onto a recording ...

02/22/07 - 20070041740 - Image forming device
An image forming device includes a motor, a photoconductive drum, a charging unit, an abrasion tool, a timer, and a controller. The charging unit is provided at a periphery of the photoconductive drum, and charges the photoconductive drum by a corona discharge method. The abrasion tool is provided at the ...

01/04/07 - 20070003300 - Image forming apparatus and image forming method
The image forming apparatus of this invention is capable of detecting a resistance value of an intermediate transferring member at the stabilized sensitivity irrespective of the influences of environmental conditions, disturbing elements, etc. and contributing to the promotion of the image quality when forming images. The image forming apparatus is ...

11/30/06 - 20060269306 - Image forming apparatus
An image forming apparatus is provided capable of preventing fog from happening and obtaining more stable image density, which includes an image carrier; a charging section for charging surface of the image carrier; an exposing section for forming an electrostatic latent image on the image carrier; a developing section for ...

11/09/06 - 20060251432 - Image forming apparatus
An image forming apparatus includes a first image bearing member; a first charger for electrically charging the first image bearing member; a first developer carrying member for carrying a first color developer to develop an electrostatic image formed on the first image bearing member with the first color developer; a ...

10/26/06 - 20060239702 - Image forming apparatus and developing method
An image forming apparatus has a plurality of developing devices each including a developing member carrying and transferring developer toward a developing region and a charging member charging developer carried by the developing member, a development bias applying device applying an AC development bias voltage to the developing member, and ...

10/05/06 - 20060222386 - Image forming apparatus
Conveyance speed of recording materials by a fixing roller pair can be set to conveyance speed based on detected results of a recording material detection means and a loop detecting sensor, and information on the recording material that has been stored in a memory in advance, wherein the conveyance speed ...

10/05/06 - 20060222385 - Method and apparatus for regulating dew formation inside an image forming apparatus
A method for regulating dew formation on a photosensitive drum in an image forming apparatus comprises detecting the surface temperature of the photosensitive drum, detecting the internal temperature of the image forming apparatus and detecting the internal humidity of the image forming apparatus. A dew point is calculated and it ...

09/14/06 - 20060204259 - Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged
An image forming apparatus of the present invention includes a movable body to be charged and a charger including a charging member that contacts or adjoins the body to be charged and applies a voltage, including an AC component, to the charging member for thereby charging the body. A protection ...

09/14/06 - 20060204258 - Image forming apparatus
An image forming apparatus in which a toner layer is formed onto a developing roller which is restricted by a toner restricting member and rotated, toner is supplied to a photosensitive drum by the toner layer, and a toner image is formed onto the drum and transferred onto a print ...

08/10/06 - 20060177232 - Image forming device and control method
An image forming device whereby stable fixing performance is obtained and whose fixing properties are excellent and that does not produce curling of the paper after fixing, due to performing control for correcting fixing temperature by environmental sensing not only during standby but also over time. A plurality of temperature ...

06/29/06 - 20060140653 - Image forming apparatus
A pulse-like DC voltage is applied from two power sources to transfer residual toner uniformizing means and toner charge amount control means, respectively, to expel transfer residual toner deposited on these means from these means onto a photosensitive drum. In a low humidity environment, the number of application of the ...

05/25/06 - 20060110173 - Image forming apparatus
An image forming apparatus includes a photoreceptor, a cleaning unit, an exposing unit, a developing unit, and a control section. On a circumferential surface thereof, the photoreceptor has an image area to have contact with a record medium in an image forming process, and a non-image area. The cleaning unit ...

05/25/06 - 20060110172 - Image forming apparatus
The present invention provides an image forming apparatus which prevents the rusting of metallic components and paper jams and improves the cooling capability of a heat pipe by ensuring that water droplets do not become adhered to the heat pipe, thereby reducing thermal resistance. A fixing apparatus and a printer ...

05/11/06 - 20060098996 - Image forming apparatus
The present invention aims to reduce the time period of the start up operation of an image forming apparatus corresponding to an image forming apparatus operating environment. The present invention provides an image forming apparatus includes an image bearing member; a toner image forming unit for forming a toner image ...

04/27/06 - 20060088325 - Image forming apparatus
An image forming apparatus includes an image bearing member; image forming means for forming an image on said image bearing member through steps including a step of electrically charging said image bearing member to a substantially uniform potential, wherein said image bearing member is repeatedly usable for forming images; and ...

04/20/06 - 20060083525 - Electrophotographic image forming apparatus
An electrophotographic image forming apparatus in which a reduction in image density when continuous sheet supply endurance is effected under a low-humidity environment is prevented, and under a high-humidity environment, an image deletion is prevented. A photosensitive member has an undercoat layer, a charge generating layer and a charge transport ...

04/20/06 - 20060083524 - Image forming apparatus
An image forming apparatus satisfying relations Xd>distance Xe between image exposure position and potential detecting member>2×τ×PS×Vc/Vμ×Mc/Mμ and 0<distance Xt between image exposure position and temperature detecting member<50×τ×PS×Vc/Vμ×Mc/Mμ (τ: time constant (sec) in a hole mobility measurement by TF method; PS: process speed (mm/sec); Vc: latent image contrast (V) necessary for ...

04/13/06 - 20060078341 - Apparatus and method of transferring image on intermediate medium onto recording medium
As an urging member 50 urges a front surface side roller 48 against a back surface side roller 45, the front surface side roller 48 and the back surface side roller 45 bring an intermediate transfer belt 41 and a recording medium 4 into pressure contact with each other at ...

03/30/06 - 20060067719 - Image-forming device
In an image-forming device, a controller controls the value of an effective developer bias that is established between the electric potential of a latent image formed on an image bearing body and the electric potential of a developer bearing body, to thereby develop the latent image with a non-magnetic, single-component ...

03/09/06 - 20060051113 - Fixing device, image forming apparatus including the fixing device, and fixing method
A fixing device for fixing an image formed on a recording material includes a fixing member and a pressing member which are rotatable to pass the recording material having an image through their nip part, a heating part that heats the fixing member, a storage unit that is charged by ...

03/09/06 - 20060051112 - Fixing device, image forming apparatus including the fixing device, and fixing method
A fixing device for fixing an image formed on a recording material includes a fixing member disposed on a recording material conveyance path, a heating part configured to heat the fixing member to fix the image formed on the recording material by heat, and a storage unit configured to be ...

02/23/06 - 20060039711 - Image forming apparatus
An image forming apparatus has a control section. The control section controls a power supply for applying a bias voltage to a cleaning brush and a driving mechanism for the cleaning brush so that the cleaning brush 41 begins to rotate when a predetermined delay time has passed after the ...

02/09/06 - 20060029407 - Color image forming device
A color image forming device can minimize a registration error in a color image. A plurality of image forming units form the color image on a recording material. An image position detector detects a position of each patch pattern of a toner image formed on the recording material. A temperature ...

02/02/06 - 20060024074 - Image forming apparatus and image forming method
An image forming apparatus includes an image carrier, a charging unit configured to charge the image carrier, an exposing unit configured to form an electrostatic latent image on the charged image carrier, a developing unit configured to develop the electrostatic latent image formed on the image carrier with a development ...

02/02/06 - 20060024073 - Image forming apparatus
In an image forming apparatus a primary transfer is carried out such that toner images on a plurality of photoreceptors are transferred and laminated onto an intermediate transfer member, and a recording paper and the intermediate transfer member are sandwiched between a secondary transfer roller disposed so as to be ...

12/08/05 - 20050271403 - Moisture data-acquiring device and image-forming apparatus
A moisture data-acquiring device for acquiring data on moisture contained in a sheet comprises a force-applying unit for applying an external force to the sheet, a force-receiving unit for receiving the external force through the sheet, a signal outputting unit for outputting a signal reflecting a mechanical property of the ...

11/17/05 - 20050254844 - Method and apparatus for adjusting printing velocity in digital office device
Method and apparatus for adjusting an image formation speed with respect to printing data transferred from a digital office device. To that end, an internal temperature and an operation environment of the digital office device are measured. The measured internal temperature and the operation environment are used to calculate a ...

11/03/05 - 20050244176 - Image forming apparatus and process cartridge
In an image forming apparatus that employs a system of charging by adjacent discharge, not only can degradation of the photoreceptor surface caused by adjacent discharge be prevented, but also there is no side effect on the developer, and at the same time size reduction is achieved. The image forming ...

10/27/05 - 20050238373 - Image forming apparatus capable of reducing time unable to perform image formation due to temperature change of image bearing member
An object of the present invention is to provide an image forming apparatus using simultaneously transferring and fixing means and capable of reducing time unable to perform image formation due to temperature change of an image bearing member, the apparatus including: a rotatable image bearing member; electrostatic image forming means ...

10/27/05 - 20050238372 - Apparatus and method for color image forming, and computer program product for driver controller
A color image forming apparatus including a plurality of photosensitive drums on which toner images of different colors are respectively formed. An endless belt confronts the plurality of photosensitive drums. A drive source drives rotation of the endless belt, or alternatively plural drive sources drive the photosensitive drums to individually ...

09/01/05 - 20050191070 - Image forming apparatus and its control method
In continuous printing operation which repeatedly sets a state in which when a preceding printing material passes through the nip area of a thermal fixing unit, a succeeding printing material has been supplied to an image forming unit and image forming operation has been started, a first temperature indicating an ...

09/01/05 - 20050191069 - Cleaning device and image forming apparatus
A secondary cleaning device has a cleaning brush, collection roller, and controller. The cleaning brush is driven by a drive mechanism and thereby rotates in a state that brush fibers thereof are contacting with a secondary transfer belt to collect toner on the secondary transfer belt. The collection roller is ...

08/25/05 - 20050185975 - Image forming apparatus
An image forming apparatus includes an image bearing member; a developing device for developing an electrostatic image formed on the image bearing member with a developer into a developed image; transferring means for transferring the developed image onto an image receiving member; cleaning member, contacted to the image bearing member, ...

07/21/05 - 20050158061 - Image forming apparatus controlling charge of toner and method thereof
An image forming apparatus and method for controlling a charge of a toner are provided. The apparatus and method includes a toner supplying roller; a developing roller for supplying the toner to an organic photoconductor; a charge controller for adjusting the charge of the toner on the developing roller; a ...



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