Electrophotography inventions 07/06

20060165420 - Imaging device and methods: In an embodiment, a region of a photoconductor is exposed to light having an intensity below a threshold sufficient to produce a marking-material-free region or a marking material containing region....

20060165421 - Printer: A printer receives print information from a host apparatus. An image memory stores image data produced from the print information. A total quantity of output detector determines a total quantity of output that should be printed. A reference quantity storing section stores a reference quantity. A comparing section compares the...

20060165422 - Image forming method and apparatus capable of effectively performing charging operation: An image forming apparatus includes image forming units, a toner supply device, a common-unit detection device, an initial operation execution device, and a determination device. Each image forming unit is detachably provided in the image forming apparatus, and includes at least a development device containing toner. At least two of...

20060165423 - Image forming apparatus: The image forming apparatus includes first and second developing apparatuses for developing electrostatic images on first and second image bearing members, a first developer container containing a developer, first supplying means for supplying the developer in the first developer container to the first developing apparatus, a second developer container containing...

20060165424 - Xerographic photoreceptor thickness measuring method and apparatus: In a xerographic machine (10) having, a photoreceptor (110) including a photoconductive layer (112) arranged over an electrically conductive substrate (114), and a charging station (200) for applying a substantially uniform electrostatic charge to a surface (116) of the photoconductive layer (112), a method for detecting a thickness (t) of...

20060165425 - Image forming apparatus: The difference between the light reception output signals representing the amounts of regularly and irregularly reflected light as measured, with optical detecting means that can measure the amount of regularly and irregularly reflected light simultaneously, when no toner is adhered to a transfer belt is set as a reference value,...

20060165426 - Image forming apparaus and image forming method: Optimization of a density control factor accompanying formation of a patch image is executed every time a predetermined period of time elapses since the end of a preceding image forming operation. Since an image is formed at regular intervals in this manner, it is possible to suppress a density variation...

20060165427 - Apparatus for fixing shaft of photosensitive body and image forming device having the same: An apparatus is provided for fixing shaft of photosensitive body and an image forming device including the apparatus. The apparatus includes a fixed supporting part formed at a frame, and rotatably supporting a first end of a shaft of at least one photosensitive body. A movable supporting part is formed...

20060165428 - Fixing apparatus and image forming apparatus: A signal-processing circuit 94 of a simple structure is provided, which generates an operation control signal and a designation signal in accordance with the temperatures detected by temperature sensors 13, 14. The operation control signal and designation signal output from the signal-processing circuit 94 selectively drive a center coil 4...

20060165429 - Image forming apparatus, fixing unit having a selectively controlled power supply and associated methodology: A fixing unit for use in an image forming apparatus includes a fixing member, a heating source, and a controller. The fixing member is supported rotatably. The heating source heats the fixing member. The controller controls power supply to the heating source. The controller controls a first average power supply,...

20060165430 - Charger cleaning device, charger cleaning method and image forming apparatus: The present invention drives cleaning member moving devices for moving cleaning members of a plurality of chargers at the same time by a single cleaning motor to miniaturize an image forming apparatus and reduce the cost. Further, at the end time of cleaning, all the cleaning members are shifted to...

20060165431 - Charging device, and process cartridge and image forming apparatus including the charging device using the same: A charging device including a charging roller having a metal cylinder and an elastic layer located thereon, and a cleaner for cleaning the surface of the charging roller. The cleaner includes a driving shaft and a cleaning roller which is rotatably mounted on the driving shaft. The cleaning roller is...

20060165432 - Color image forming apparatus and color image forming method: In an image forming apparatus of the present invention capable of forming a full-color image by superposing a black toner image formed by a black image forming unit using a developing and simultaneous cleaning type developing unit over color toner images obtained by color image forming units using developing and...

20060165433 - A process cartridge for an image forming apparatus: A bearing is provided at each longitudinal end of the cartridge frame. The bearing has mounting apertures for mounting the developing roller and regulating blade, and for maintaining a predetermined spacing between the developing roller and the regulating blade. The bearing is moveable relative to the cartridge frame to allow...

20060165434 - Printer cartridge: A printer cartridge comprising a photosensitive body being in contact with a charging roller and a developing roller, the printer cartridge including a first member interposed between the charging roller and the photosensitive body; and a second member connected to the first member and interposed between the developing roller and...

20060165435 - A process cartridge for an image forming apparatus: The invention relates to a process cartridge for an image forming apparatus, wherein the cartridge includes frame and a removable toner hopper that is connected to the frame by a screw. The use of a screw as the means for attaching the hopper to the cartridge frame simplifies assembly and...

20060165436 - Photosensitive drum: To realize easier assembly of the photosensitive drum with appropriate contact force to the end face of the drum body, while restricting manufacture cost increase and avoiding need for high skill and/or experience for the factory worker who assembles the drum. A photosensitive drum for use in an electrophotographic image...

20060165437 - Image forming apparatus: A pair of fixing section discharge rollers 24 is arranged on the downstream side, with respect to the paper conveying direction, of a fixing section 20 including a fixing roller 21 and a pressing roller 22. Near the fixing section 20, a openable section 40 is provided that makes externally...

20060165438 - Image forming apparatus: An image forming apparatus includes a photosensitive member being movable in a predetermined direction; a charging roller that charges a surface of the photosensitive member; and a static pre-eliminator that eliminates static electricity by irradiating the surface of the photosensitive member with light, the static pre-eliminator located in an upstream...

20060165439 - Conductive roller, and process cartridge and electrophotographic apparatus which have conductive roller: In a conductive roller having a conductive substrate, a conductive elastic layer and a conductive cover layer, the conductive cover layer is formed of a seamless tube containing a thermoplastic polymer, the surface of the conductive roller is coated with an inorganic compound the particle surfaces of which have been...

20060165440 - Development apparatus and image forming apparatus comprising the same: A development apparatus according to an embodiment comprises a development tank which accommodates developer containing toner and carrier, an agitating screw which agitates and transports the developer in the development tank, and a development roller which is provided close to or in contact with a photosensitive body and visualizes an...

20060165441 - Toner feeder: The toner feeder is removably mounted in an image forming apparatus including a rotation driver for rotating a toner container and a rotation controller for controlling the rotation driver. The toner feeder comprises a toner container for containing toner, and a support holder which holds the toner container in an...

20060165442 - Belt-drive control device, color-shift detecting method, color-shift detecting device, and image forming apparatus: A mark detecting unit detects a mark that is a reference position of an endless belt. An angular-displacement-error detecting unit detects an angular displacement error of an encoder caused by thickness fluctuation of the endless belt. A first calculating unit calculates a phase and a maximum amplitude to the mark....

20060165443 - Image forming apparatus, fixing apparatus, toner, and method of preparing toner: An image forming apparatus includes an image forming mechanism and a fixing mechanism. The fixing mechanism fixes a visible image formed by the image forming mechanism onto a recording sheet. The fixing mechanism includes a first roller, a second roller, a belt, a third roller, and an applicator. The second...

20060165444 - Fixing apparatus: A fixing apparatus used in an image forming apparatus has a fixing member for fixing toner on paper and a pressure member making contact therewith to form in between a nip through which paper is passed. The fixing member has a support member formed of a ferromagnetic material and a...

20060165445 - Toner image fixing apparatus having concentrated area heating: An apparatus is provided for fixing a toner image to a substrate comprising: a fixing member having a central axis and inner and outer surfaces; a heating element disposed within the fixing member for generating energy in the form of heat to heat the fixing member; and a back-up member...

20060165449 - Belt fixing unit: A belt fixing unit has a fixing roller and a pressing roller that are provided in a pair midway along a transport passage through which paper having a toner image formed thereon is transported from bottom to top approximately in a vertical direction and that fix the toner image on...

20060165447 - Image forming apparatus: An image forming apparatus including: an image forming section to form a toner image on a recording sheet; a fixing device which has a fixing roller, an endless fixing belt trained with a tension about at least two rollers including the fixing roller, a heating device to heat the endless...

20060165448 - Image forming apparatus and fixing apparatus for fixing toner image by using belt: An image forming apparatus includes an image forming mechanism configured to form a visible image using toner on a recording sheet according to input image data and a fixing mechanism configured to fix the visible image onto the recording sheet. The fixing mechanism includes a first roller, a second roller,...

20060165446 - Image heating apparatus: In an image heating apparatus having an endless belt for heating an image T on a recording material P in a nip portion N, nip forming means for forming the nip portion N between itself and the belt, and regulating means for regulating the bias of the belt in the...

20060165450 - Image forming apparatus, process cartridge, and toner: An image forming apparatus includes units for electrostatically charging a surface of an image carrier, exposing the surface according to image data to write a latent image, supplying a toner to the latent image to form a visible image, and transferring the visible image from the surface to another surface....

20060165451 - Waste toner pulverizing apparatus and toner cartridge with the same: A waste toner pulverizing apparatus and a toner cartridge with the same prevents waste toner removed from a surface of a photosensitive drum by a cleaning blade from accumulating at a front end of the cleaning blade. The waste toner pulverizing apparatus in accordance with an exemplary embodiment of the...

20060165452 - Image forming apparatus: In an image forming apparatus of the present invention, an idle roller once stops rotating when a front edge of a sheet conveyed reaches the idle roller. The idle roller restarts rotating at such a timing that a front edge of a toner image on a photoreceptor and a front...

20060165453 - Winding media: Embodiments of device and methods for winding media are illustrated and described....

20060165454 - Apparatus for classifying printed documents, an image forming device having the same, and a printed document classifying method thereof: An apparatus for classifying printed documents so that the documents can be easily distinguished from one another, an image forming device having the same, and a printed document classifying method are disclosed. The apparatus includes a printed document separating unit and an operating unit. The printed document separating unit is...

20060165455 - Image forming apparatus: An image forming apparatus including: an apparatus main body; a discharge roller portion that discharges sheet members; a tray being capable of stacking the sheet members discharged from the discharge roller portion; and a curl correcting member being capable of arranging on a downstream side in a sheet member carrying...

20060159467 - Image forming device: An image forming device is provided in which a plurality of toner cartridges can be installed, and with which toner cartridges appropriate to the startup mode of the device can reliably be installed, so that it is possible to perform printing correctly in that mode. The image forming device to...

20060159468 - Image forming apparatus and image forming method: An image forming apparatus includes a print-request information inputting unit, an image reading unit, a plurality of image forming units, a plurality of sheet feeding units, a memory unit and a control unit wherein the control unit reading out, when print-request information is inputted, ID information and device information from...

20060159469 - Image forming apparatus with a plurality of image forming units: An image forming apparatus includes two or more detachable components that are identical to each other and configured to perform at least part of a sequence of processes associated with forming of an image, a connection detection unit configured to detect attaching of the components, and a first control unit...

20060159470 - Sheet feeder and jam detecting method: A transporter is adapted to transport a sheet in a first direction. At least three detectors are disposed at a downstream side of the transporter in the first direction. Each of the detectors is operable to detect passing time of a leading end edge of the sheet. A processor is...

20060159471 - Sheet feeder and jam detecting method: A transporter is adapted to transport a sheet in a transport direction in a transport path that includes a detecting range. A measurer is disposed at an upstream end of the detecting range in the transport direction, and is operable to measure a moving distance of the sheet. A detector...

20060159473 - Device and method for adjusting the detected amount of remaining toner: A device and method to adjust the amount of remaining toner is provided. The device includes first through n-th light emitting units, each of which emits light. The device also includes first through n-th toner agitating units which are respectively formed in first through n-th cell of a toner cartridge...

20060159472 - Image forming apparatus: There is described an image forming apparatus comprising a toner container installation section for mounting a toner container which stores the toner, a developing device which develops an electrostatic images formed on an image carrier based on an image information, an operating mechanism which is capable of moving the toner...

20060159474 - Image forming apparatus: An image forming apparatus includes: a developing unit for developing a latent image on an image bearing member by using a developer containing toner and a carrier; and a detecting unit for detecting a density of a detection reference toner image, wherein detection results obtained by the detecting unit are...

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...

20060159477 - Image fixing apparatus and process for fixing an image: An image fixing apparatus having a linear heating body, an endless belt entrained around thereon, means for supplying electricity to the linear heating body with pulse electricity, a pressure body which interposes a subject to be fixed having an image with the endless belt, the image is heated by the...

20060159476 - Rotation control and heating control for a fixing rotatable member in rotational induction-heating type apparatus: A fixing apparatus has a coil for forming a magnetic field; a fixing rotatable member for fixing an unfixed toner image carried on a recording material thereon by heat generated by eddy currents which is generated by the magnetic field; an electric power supply control for controlling electric power supply...

20060159478 - Fixing apparatus and image forming apparatus: If the temperature T1 of the middle part of a heat roller 2 is higher than the temperature T2 of the end parts of the heat roller 2 [T1≧(T2−X)], the operating time B of side coils 5 and 6 is set longer than the operating time A of a center...

20060159479 - Fixing device: The present invention provides a fixing device for fixing a toner image formed on paper by sandwiching the paper in a nip region between a heating roller and a pressing roller and pressing the paper while heating the paper to a fixing temperature. This fixing device includes a cleaning roller...

20060159480 - Printing system, job processing method, and storage medium: In order to build a convenient printing environment which can meet various needs associated with double-sided printing (e.g., a reduction of the load on the operator) from users upon double-sided printing and can cope with the POD environment, a user request associated with a double-sided printing job to be executed...

20060159482 - Image forming apparatus and power supply control method: An image forming apparatus includes a cover, a switch that opens or closes in conjunction with the cover, a load unit, a load power supply device that supplies power to the load unit, a relay that passes power from the load power supply device to the load unit in conjunction...

20060159481 - Image forming device: An image forming device is disclosed which includes an open/close switch for detecting the opening and closing of a manual feed tray, and a power control unit for turning on specific power when the open/close switch detects that the manual feed tray has been opened. When the manual feed tray...

20060159483 - Developing cartridge detachable from image forming device: A toner cartridge for use in a printer includes a developing roller and an electrode. The toner cartridge is mountable in the printer by moving in a mounting direction and removable from the printer by moving in a removal direction. The developer roller supplies toner to a photosensitive member of...

20060159484 - Image forming apparatus: A grid cleaner 35 is fixed to a fixing holder 41 of an apparatus main body in such a way that a wet sponge 38 faces a grid 33. When a charging device 3 is made to slide in the direction indicated by arrow A, the wet sponge 38 comes...

20060159485 - Method of reusing developing device used in image-forming device: A method of reusing a developing device that can be detachably mounted in a body of an image-forming device includes: preparing a used developing device that includes a developer-carrying member that carries a developer thereon, and a gear mechanism having a plurality of gears that transfer a driving force inputted...

20060159486 - Image forming apparatus: An image forming apparatus, including a main body frame, a cover which is pivotally coupled to the main body frame, to occupy and move between a first position at which the cover is closed and a second position at which the cover is open, and a development cartridge, which is...

20060159487 - Developing cartridge and electrophotographic image forming apparatus employing the same: A developing cartridge is provided including a first frame on which a photosensitive drum is arranged, a second frame which is pivotably coupled to the first frame, and a developing roller which is coupled to the second frame. A pair of gap maintaining elements configured to facilitate maintenance of a...

20060159488 - Image forming apparatus: In an image forming apparatus (10), one (wall surface (201)) of facing wall surfaces of an inverting conveyance path (R3) for turning a sheet (P), which had a toner image formed after an image forming operation in an image forming unit (13) fixed thereto, front side back is formed on...

20060159489 - Belt driving apparatus: A belt driving apparatus for driving a belt has the belt hung around and between rollers, and has a meandering prevention member provided in each end part of each roller to restrict the meandering of the belt in the roller axial direction. A cut is formed to be open toward...

20060159490 - Deformable mirror and device for observing retina of eye: A deformable mirror, in which the distance between an electrode substrate and a membrane can be accurately maintained and which can be produced at a low material cost, is provided. The deformable mirror comprises: an electrode substrate 11 having a plurality of electrodes (16a, 16b, 16c, 16d and 16e) formed...

20060159491 - Color image forming devices for use in color printers: A color image forming device includes a photosensitive unit, an exposing unit, a plurality of developing units, a first transfer body, a second transfer body and a fixing unit. The photosensitive unit includes a photosensitive member with a photosensitive layer. The exposing unit exposes the photosensitive layer to form a...

20060159492 - Developer conveyance screw: c

20060159493 - Image forming apparatus:

20060159494 - Image forming apparatus featuring a multilayer member with a roughened layer surface to irregularly reflect incident light and method for making the multilayer member: A belt includes a surface layer and an underlayer. An interface between the surface layer and the underlayer is roughened to irregularly reflect incident light....

20060159495 - Fixing apparatus: There is disclosed a fixing apparatus of the present invention, including a cleaning web 51, first and second take-up shafts 53, 54 which support opposite ends of the cleaning web, respectively, and a web pressing member 52 which presses the supported cleaning web 51 against a heating roller 1, and...

20060159496 - Fixing device and image forming apparatus having the same: A fixing device includes a feeding roller for feeding a belt-shaped cleaning member which has been rolled up, and a winding roller for taking up the cleaning member which has been fed from the feeding roller and cleaned a surface of the fixing roller, the winding roller being provided so...

20060159497 - Waste toner transporting apparatus and toner cartridge having the same: A waste toner transporting apparatus which transfers waste toner removed from a photosensitive drum to a waste toner housing is provided. The waste toner transporting apparatus includes a toner transporting plate arranged substantially above a cleaning blade. A transporting member is installed at one end of the toner transporting plate...

20060159498 - Image forming apparatus: An image forming apparatus of the present invention carries out an image processing with respect to image information, requested to be printed, so as to obtain a write image which is to be written on a photoreceptor. Then, the image forming apparatus predicts the occurrence of an image elongation and...

20060159499 - Image forming system with temporary storage trays between sheet storage units and image forming apparatus: An image forming system has a sheet deck assembly, an image forming apparatus, and a feeding buffering apparatus with plural feeding buffer trays for temporarily storing sheets of printing paper fed from plural printing paper decks of the sheet deck assembly. The feeding buffering apparatus feeds the temporarily stored sheets...

20060159500 - Printer having output tray: While an output tray is housed in the printer body, a tray support supports the output tray in such a manner that has the output tray lifted off a surface on which the printer is placed. In the process of pulling out the output tray from the printer body, the...

20060159501 - Image forming apparatus: In an image forming apparatus in which a scanner portion is disposed in an upper portion of the apparatus, a paper cassette is disposed in a lower portion of the apparatus, and a print portion is disposed between the scanner portion and the paper cassette, in one embodiment, a paper...

20060153578 - Systems and methods for monitoring replaceable units: Systems and methods for monitoring a replaceable component of a device may include a monitor located on the replacement component. The monitor may include a controller, a memory, and a first communicator that communicates with a second communicator in the device. The monitor may further include a sensor on the...

20060153579 - Replaceable unit monitor reader with auto polling capabilities: A replaceable unit monitor reader system includes a host processor and a coupler board. The coupler board had a detection circuitry that provides an auto-detect, auto-initiate and/or auto-select ability. After receiving command from the host processor, the coupler board enables communication with a CRUM without requiring a further command from...

20060153582 - Method and system for using toner concentration as an active control actuator for trc control: A method of using toner concentration (TC) as an active actuator in the tonal reproduction curve (TRC) controller, so that not only will the TRC controller maintain the TRC of the output, but also all the electrostatic actuators will not diverge, and the toner concentration will be within the latitude...

20060153581 - System and method for setup of toner concentration target for a toner concentration sensor: A method by which the target of a toner concentration (TC) sensor can be set up based on the equivalent developability concept without using an expensive patch generator. First, use a black toner area coverage (BTAC) sensor to measure the relative reflectance (RR) of a 100% area coverage developed patch...

20060153580 - Tone reproduction curve and developed mass per unit area control method and system: A method of controlling the solid developed mass per unit area and the tone reproduction curve in a printing machine by reading data from a sensor, comparing the data to an acceptable range of data values, where the data is not within the acceptable range of data values, updating a...

20060153583 - Image forming apparatus and developer control method: An image forming apparatus includes a developer that develops a latent image to form an image, a separation unit that separates image information of a job image by color upon writing a latent image of the job image, a comparison unit that compares the image information by color separated by...

20060153584 - Image forming apparatus and method of controlling the same: An image forming apparatus includes a photoconductive medium electrified by an electrifying apparatus to a predetermined electric potential, a plurality of color developing apparatuses which are fixed around the photoconductive medium, each color developing apparatus having a developing roller to adhere a predetermined color toner to an electrostatic latent image...

20060153585 - Controlling apparatus for developing roller, image forming device having the same, and developer controlling method thereof: A image forming apparatus having a developer controlling apparatus for a developing roller is provided to uniformly control an amount of developer deposited on the developing roller and a developer controlling method thereof. The apparatus includes a sensing part having a first sensor which senses a conductivity of a liquid...

20060153586 - Printing device and print management method: An object of the present invention is to simplify management of the amount of recording agent used by multiple users, by allocating a recording agent cartridge to a user in advance. In a printing device of the present invention, a primary user and a secondary user are set as active...

20060153587 - Image forming apparatus having high voltage circuit board and driving unit: An image forming apparatus (1) according to the present invention includes a high voltage circuit board (14) and a driving unit (10). A frame (4B) is provided in the apparatus (1) to support an image forming unit (2). The frame (4B) has a partition face (5), which defines a boundary...

20060153588 - Image formation apparatus and image formation method: In an image formation method of an image formation apparatus for correcting uneven image formation on the basis of vibration property information corresponding to an operation sequence in image formation, vibration property information corresponding to a plurality of operation sequences are stored in a storage device. The uneven image formation...

20060153589 - Image formation apparatus and photoreceptor cartridge: An image forming apparatus, includes: a mainframe; a photoreceptor; an exposing unit that exposes a surface of the photoreceptor to form an electrostatic latent image; and a developing unit that develops the electrostatic latent image by supplying a charged developer on the surface of the photoreceptor having the electrostatic latent...

20060153590 - Image-forming device: An image-forming device includes a plurality of photosensitive drums, a plurality of drum gears, a plurality of drive gears and a removal allowing unit. Each drum gear has a first target portion. Each drive gear has a second target portion. The removal allowing unit allows each photosensitive drum to be...

20060153591 - Image formation device and image formation method: In order to avoid a load change which occurs when seam O passes by the heads affect image information, a dyeing layer transfer head and recording heads are located in equal intervals having length P, which is obtained by equally dividing an entire circumference K of a recording intermediate belt...

20060153593 - Developing device and image forming apparatus having the same: A developing device of an image forming apparatus has an image carrier rotating in confrontation with a developer conveyer and developing the surface of the image carrier with a developer moved by the developer conveyer. A rotating member is rotatably formed adjacent to the image carrier and generates an opposite...

20060153592 - Image forming apparatus: A color image forming apparatus, comprising: a plurality of image forming stations, each including a photo conductor on which an electrostatic latent image is formed, a developing member which develops the latent image as a visible toner image, and a single motor pinion which drives both of the photo conductor...

20060153594 - Grid, scorotoron charger having the grid, process unit having the scorotoron charger, and image forming device installing the process unit: A grid has a frame body in a U-shaped cross-section defining a main plate section and two side plate sections. A rectangular opening is formed at the main plate section, and a plurality of grid wires extend in a lengthwise direction of the main plate section and at one side...

20060153595 - Developer driving apparatus and image forming apparatus including the same: A developer driving apparatus and an image forming apparatus including the developer driving apparatus are provided. The developer driving apparatus includes a driving source; a power transmitting unit, and a power controlling unit. The power transmitting unit selectively transmits power generated by the driving source to development rollers of the...

20060153596 - Developer cleaning: A developer system component includes at least one surface configured to be driven so as to create fluid flow providing a shear force adjacent a cleaner....

20060153597 - Ink developer foil: In one implementation, an apparatus includes a foil that is adjacent to a portion of an ink developer electrode. The foil at least partially limits an accumulation of splashed ink along one or more portions of the ink developer electrode....

20060153598 - Toner cartridge having a collapsible actuating structure: An actuating structure formed in a toner cartridge adapted to actuate a physical sensor inside the printer which activates the printer when the door is closed. The actuating structure is displaced when the cartridge is inserted in printers that do not use a physical sensor in that location. Accordingly, the...

20060153599 - Structure preventing the use of an unauthorized circuit board: A toner cartridge prevents piggybacking of an unauthorized circuit board over an authorized circuit board. The body of the cartridge includes a flat mounting surface adapted to receive a first circuit board formed in a vertical wall of the waste bin. An upper blocking member extends from a point just...

20060153600 - Doctor blade within toner cartridge, material and structure thereof: A doctor blade is used in a color laser printer to proportion toner powder evenly, and to maintain or eliminate the toner powder. The doctor blade includes a support rod and a blade part. The surface of the blade part has a surface covered with a protective layer. The blade...

20060153601 - Color image forming apparatus: There is disclosed a color image forming apparatus, which makes it possible to prevent a reproduced image from generating image defects, such as a color unevenness, a toner scattering, etc....

20060153602 - Image forming apparatus: An image forming apparatus including a plurality of image forming portions for forming images on a plurality of image bearing members, an intermediate transfer belt in which the images on the image bearing members are transferred, a plurality of rollers around which the belt is stretched, a plurality of primary...

20060153604 - Image forming apparatus: An image forming apparatus includes a belt stretched across rollers and a resist rotary member that feeds out a recording medium on the belt. A correlation between a velocity of the belt and the resist rotary member is obtained. A target velocity of the belt or the resist rotary member,...

20060153603 - Image forming apparatus and method of image forming: When conducting a color-shift-correcting mode using a registration mark formed by the image forming means on an image carrier, the image detecting means outputs the image detection signal representing the line width of the registration mark and the control section calculates the line width of the registration from the image...

20060153605 - Thermal fixing device and image forming device: The contact rate between a heater 1 and a heater holder 2 is made higher at both ends in the longitudinal direction of the heater than at the center. Alternatively, the per-unit-length volume of the heater holder 2 in the longitudinal direction is made larger at the both ends in...

20060153606 - Collar assembly for printer fusing system: An apparatus and method for stabilizing a fuser in an imaging apparatus. The apparatus includes a hub having a body. The body comprises an outside diameter configured to be at least partially disposed inside an end of a fuser core. The apparatus also includes an elastomeric collar having an inside...

20060153607 - Belt unit and image forming apparatus: A belt unit includes a plurality of rollers including a driving roller and a driven roller; a belt being supported by the plurality of rollers; a specified roller; and a shift restraint member restraining the belt from shifting toward one end side of the specified roller. The specified roller is...

20060153608 - System and method for determining printing media is appropriate for use in a printer/copier: A method of printer/copier obtaining information from printer/copier printing media is provided. The method includes placing the printing media in the printer/copier, the printer/copier sensing for identifying markings on the printing media identifying the printing media as the appropriate printing media for the printer/copier, the printer/copier determining if the printing...

20060153609 - Sheet feed unit operable with smaller force and image forming apparatus: A sheet feed unit for use in an image forming apparatus includes a sheet feed unit body and a sheet cassette. The sheet feed unit body includes a first frame and a first contact face provided on the first frame. The sheet cassette, which is withdrawable from the sheet feed...

20060153610 - Image forming apparatus: An image forming apparatus includes a medium transporting mechanism. A first transporting section transports a recording medium on which an image is formed. A second transporting section receives the recording medium from the first transporting section and then further transports the recording medium. The second transporting section has a smaller...

20060153611 - Image forming apparatus, finisher used therewith and method for controlling exit tray thereof: In one embodiment of a method for controlling an exit tray according to the invention, a controller controls an extension tray drive motor and controls the effective length of an extension tray of an image forming apparatus or a finisher employed with the image forming apparatus, based on a signal...

20060153612 - Sheet post processing apparatus and image forming system: In a sheet post processing apparatus having a folding device that carries out the process of book folding by folding either one sheet or a plurality of sheets at a time on the sheets discharge from the image forming apparatus, a sheet stacking section that successively stacks the booklet-folded sheets,...

20060147220 - Image forming device and jam control method thereof: The present invention relates to an image forming device comprising a paper feeding part to supply paper loaded in a paper cassette; a printing part to print on the paper supplied by the paper feeding part; and a paper discharging part to discharge the paper printed by the printing part,...

20060147221 - Image heating device and image forming device: An image heating apparatus is provided that enables the entire width of a heat-producing medium to be heated uniformly and an excessive rise in temperature to be prevented, without making the configuration complex. In a fixing unit 19 in which this apparatus is applied, a fixing belt 112 is an...

20060147222 - High voltage generator and method of sensing roller resistance: Provided are a high voltage generator of an image forming apparatus, which simplifies a circuit structure and reduces the number of control signals by commonly using a roller resistance sensing circuit unit, and a method of sensing roller resistance. The high voltage generator applies high voltages to a plurality of...

20060147223 - Image forming apparatus: A medium is adapted to be transported in a first path. An image former is operable to form an image on at least one face of the medium. A fuser is operable to fix the image on the medium. A discharger is operable to discharge the medium. A duct is...

20060147224 - Printer apparatus with open/close door and laser beam printer apparatus with open/close door: A laser beam printer apparatus includes a rear door configured to be openable/closable, and a holding member including a guide groove for guiding the rear door to a position where the rear door is being stopped when the rear door is being closed. The rear door includes a boss configured...

20060147225 - Process cartridge and electrophotographic image forming apparatus: A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes first and second end covers, first and second bottom-surface portions to be guided by first and second main assembly guide portions, first, second, and third portions to be positioned by first, second, and third...

20060147226 - Fixing unit, image forming apparatus, and image forming system: An image forming apparatus includes (a) an openable and closable cover, (b) a fixing unit, and (c) a press-contact releasing member. The fixing unit has a first roller, a second roller that can be pressed in contact against the first roller, and a retaining member adapted to retain a state...

20060147227 - Imaging methods, image engines, and photoconductor charging systems: Imaging methods, image engines, and photoconductor charging systems are described. According to one embodiment, an imaging method includes providing a charge device configured to provide an electrical charge to a surface of an imaging member which is usable for imaging, moving a surface of the charge device adjacent to the...

20060147228 - Developer container and image forming apparatus: An object of the invention is to provide a developer container in which a container main body is protected against damage by an external torsional and bending force and an impact as much as possible, developer in the vicinity of conveying means is prevented from aggregating as much as possible,...

20060147229 - Developing roll: A developing roll which may reduce stress imparted on toner and have uniform transportability of toner. The developing roll comprises a shaft, an elastic layer provided on an outer peripheral surface of the shaft, and a cylindrical outermost layer provided directly or indirectly via a layer on an outer peripheral...

20060147230 - Image forming apparatus: An image forming apparatus includes a transfer belt onto which a toner image formed on an outer surface of a photosensitive medium is transferred. The transfer belt moves along a predetermined closed path while being supported by a plurality of rollers. A protection unit protects the transfer belt by being...

20060147231 - Fusing unit and image forming apparatus: A fusing unit for fusing a nonfused toner image formed on a sheet medium, including: a heating roller; a pressing roller pressed to the heating roller; a heat-resistant belt which is wrapped around an outer periphery of the pressing roller and travels while being nipped at a nip portion between...

20060147232 - Device and method for guiding a continuous web by means of a pivotable apparatus: In a method or device for guiding an endless web, the endless web is guided via a first positionable roll to an additional positionable roll with a predetermined angle of wrap on each roll, shafts of the rolls lying parallel to one another in a plane and being held by...