Electrophotography inventions 10/06

20060239698 - Developing device, image forming apparatus, and image forming system: An image forming apparatus comprises a rotatable rotating body to and from which a plurality of developer containers can be attached and detached, each of the developer containers being capable of containing developer of a different color. When the image forming apparatus continuously forms images on a plurality of number...

20060239699 - Method and device for controlling an electrographic printer or copier: In a method for control of an electrophotographic printer or copier, information that refer to a single sheet are determined from print data supplied to the printer or copier. Dependent on said information, a transport path of the single sheet through the printer or copier to generate at least one...

20060239700 - Accordion jam detection of printed media: An apparatus, system and method of detecting paper jams in printer, such as in the fuser assembly of an electrophotographic device. A plurality of sensors may detect the leading edge of the sheet of paper as it exits the fuser hot roll nip. The sensors may include a media exit...

20060239701 - Image forming apparatus for controlling variation of image density and toner concentration: An image forming apparatus includes an image carrying member, a developing unit, an image density detector, a toner concentration detector, a toner concentration controller, and an output adjustment unit. The image carrying member forms a reference latent image pattern. The developing unit develops the reference latent image pattern as a...

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...

20060239703 - Fusing unit to control pressure applied to printing medium, an image forming apparatus having the same and a method for controlling fusing pressure: A fusing unit of an image forming apparatus is capable of controlling fusing pressure according to detailed types of printing medium without deteriorating printing speed. A first roller rotates about a first rotation shaft CR1. A second roller rotates in contact with the first roller about a second rotation shaft...

20060239705 - Image forming apparatus, method of calculating amount of toner transfer, methods of converting regular reflection ouput and diffuse reflection output, method of converting amount of toner transfer, apparatus for detecting amount of toner transfer, gradati: An amount of toner transfer on a reference pattern is calculated by using an optical detecting unit that detects both regular reflection light and diffuse reflection light from a detection target simultaneously, based on a relative ratio between a value obtained by subtracting a result of multiplying a “diffuse reflection...

20060239704 - Image forming apparatus, method of calculating amount of toner transfer, methods of converting regular reflection output and diffuse reflection output, method of converting amount of toner transfer, apparatus for detecting amount of toner transfer, gradat: An amount of toner transfer on a reference pattern is calculated by using an optical detecting unit that detects both regular reflection light and diffuse reflection light from a detection target simultaneously, based on a relative ratio between a value obtained by subtracting a result of multiplying a “diffuse reflection...

20060239706 - Image forming apparatus: An image forming apparatus that includes a fixing roller to fix a developer onto a recording medium, a heating unit to heat the fixing roller, a manual feed roller disposed at a position contact with a top end of the recording medium inserted into a manual feed port and capable...

20060239707 - Method and apparatus for image forming with an improved warm-up control: An image forming apparatus includes an image forming mechanism, a fixing roller, a heater, a sensor, a warm-up mechanism, and a controller. The image forming mechanism forms a toner image on a recording medium according to image data. The fixing roller fixes the toner image on the recording medium by...

20060239708 - Image forming system, information processing apparatus and its control method: An information processing apparatus, connectable to an information forming system having plural devices corresponding to plural processing stages including at least a printing stage and a bookbinding stage. Function information indicating abilities regarding plural function items of the plural devices are held, and a user interface for function selection is...

20060239709 - Manifold for toner collection and contamination control in xerographic process developer housing: An airborne toner collection manifold for an electrostatographic printer for coupling in fluid flow communication with a vacuum source includes an inlet, a collection duct, a first exhaust duct and a second exhaust duct. The inlet defines a gap slot extending longitudinally between a first end and a second end....

20060239710 - Emissions elimination for small sized toner: A seal device for a developer system in an electrophotographic printing machine, including: a developer housing containing toner particles; a donor member rotatably mounted in the housing for transferring toner particles to a latent image on a photoreceptive member moving in a process direction; a toner emission system for collecting...

20060239711 - Printing device cartridge having position in which rollers are separated from photoconductor: A cartridge for a printing device includes first and second portions coupled to one another and capable of moving relative to each other, one or more rollers situated at the first portion, a photoconductor situated at the second portion, and a lock mechanism. The rollers are in contact with the...

20060239712 - Process cartridge and image forming apparatus: A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus including an electrophotographic photosensitive drum, a process device actable on the drum, a cartridge positioning portion for engaging a main assembly positioning portion to position the cartridge with respect to a direction crossing the direction...

20060239713 - Manufacturing method of developing unit, developing unit, and image forming device: A manufacturing method of a developing unit including an OPC (organic photoconductor), a cleaning member disposed at a cleaning position in a predetermined radial direction of the OPC to clean the OPC, and a frame on which the OPC and the cleaning member are mounted. The method includes mounting the...

20060239714 - Photoreceptors,developing cartridge using the same, and image forming apparatus using the same: A developing cartridge and an image forming apparatus having a photoreceptor drum are provided. The photoreceptor drum includes a pair of sleeves having outer diameter units inserted into the ends of a cylindrical drum on which a photoconductive material layer is formed, inner diameter units to which shafts are rotatably...

20060239715 - Rollers separating unit and image forming apparatus having the same: A rollers separating unit which controls a distance between a heating roller and a pressurizing roller of a fixing unit by an opening/closing of a side cover. The rollers separating unit includes an elastic support member rotatably hinge-coupled to one side of a housing of a fixing unit, to elastically...

20060239716 - Image forming apparatus: An electrophotographic image forming apparatus is provided that includes a plurality of developing units, a cam shaft, and a plurality of cams disposed on the cam shaft corresponding to the respective developing units. A power transmitting device disposed between the developing units and the cams selectively transmits rotational force from...

20060239717 - Image forming device and image forming method of preventing printing according to a skew of a paper: An image forming device has a developing process part comprising a plurality of developing process rollers, and a delivery part to move a printing paper to pass through the developing process part. The image forming device includes a skew sensor to detect a skew degree of the printing paper supplied...

20060239718 - Developing apparatus: A developing apparatus having agitating/supplying section which is capable of providing enhanced developer stirrability and supplying a developer to a developing roller uniformly in its lengthwise direction is provided. The developing apparatus installed in an electrophotographic image forming apparatus includes an agitating/supplying section composed of: a rotary shaft member which...

20060239719 - Developing cartridge and electrophotographic image forming apparatus having the same: An electrophotographic color image forming apparatus is provided including a plurality of toner cartridges and a plurality of developing cartridges. Each of the developing cartridges includes an accommodating unit in which a developing roller is arranged and a toner supply unit which extends from a surface of the accommodating unit...

20060239720 - Developing device and image forming apparatus: A developing device using a trickle system is realized which includes developer discharging means for (i) suppressing changes in discharge of developer due to inclinations of the developing device and (ii) maintaining the stability in amount of the developer in a developer tank. In the developing device, the developer tank...

20060239722 - Developing device, and image forming apparatus and process cartridge using the developing device: A developing device including a developing unit configured to develop an electrostatic latent image with a toner; a toner cartridge configured to contain the toner and supply the toner to the developing unit, and including an agitator configured to agitate the toner, wherein the toner cartridge is detachably attached to...

20060239721 - Image-forming apparatus: An image-forming apparatus includes a developing unit. The developing unit has at least one carrying screw for uniformly distributing toner on a supply roller, a toner container that includes at least one mixing screw and supplies toner to the developing unit, and a toner pressure control device that controls the...

20060239723 - Developing apparatus: where mg0 (g/mm2) denotes an amount of a toner per unit area that is supplied from the development roller to an electrostatic latent image having 100% image coverage which is formed on a photosensitive drum, v (mm/s) denotes a rotational peripheral velocity of the photosensitive drum, l (mm) denotes a...

20060239724 - Developing device and image forming apparatus: A developing device including: a developer carrying member that is rotatably supported and carries a developer; and a layer thickness regulating member that extends in an axial direction of the developer carrying member and is provided with a pressing part that is in pressure contact with a surface of the...

20060239725 - Color image forming apparatus: In the discharge section to correct the potential of toner image on the intermediate transfer body before the secondary image transfer and to obtain a good secondary transfer image, it is made that the opposite electrode is brought into contact with the back surface of the intermediate transfer body under...

20060239726 - Semiconductive belt and image forming apparatus using the semiconductive belt: The present invention provides a semiconductive belt including a substrate and a surface layer, wherein: the substrate contains a resin; the Young's modulus of the substrate is 1000 to 8000 MPa; the surface layer contains a lubricant component, a fibrous filling material, and an elastic material; and the durometer hardness...

20060239727 - Polyaniline filled polyimide weldable intermediate transfer components: A weldable intermediate transfer belt having a substrate with a homogeneous composition of polyaniline in an amount of from about 2 to about 25 percent by weight of total solids, and a thermoplastic polyimide in an amount of from about 75 to about 98 percent by weight of total solids,...

20060239728 - Method and system for improved metering of release agent in an electrophotographic system: An improved release agent management subsystem for an electrophotographic system comprises a release agent reservoir for storing release agent, and a metering roll at least partially submerged in the release agent stored in the release agent reservoir, the metering roll for delivering release agent from the release agent reservoir to...

20060239729 - Image forming method and image forming apparatus: An image forming method comprising the steps of a) forming a mirror image by a toner on a transparent substrate, and b) laminating the toner image carrying surface of the transparent substrate with a light reflecting material through a tacking layer or an adhering layer....

20060239730 - Scanner with flexible cover: A scanner with a flexible cover. The scanner comprises a main body, a flexible cover joined to the main body and a shaft within the main body. The flexible cover is made of flexible material. One end of the flexible cover is connected to the shaft, and the flexible cover...

20060239731 - Image forming apparatus and program for controlling an image forming apparatus: There is described an image forming apparatus comprising a tray that outputs information by which various kinds of fixed form sized of recording mediums can be discriminated and a controller to acquire a approximate size of a recording medium having an unfixed form size by conducting an operation for detecting...

20060239732 - Image forming apparatus: An image forming apparatus, including an image carrier, an image forming section for forming toner image on the image carrier, an image transfer device for transferring the toner images from the image carrier to a transfer material, and a registration member for conveying the transfer material to a position where...

20060239733 - System and method for extending speed capability of sheet registration in a high speed printer: A system and method for registering a sheet transported along a sheet path of a printing system, including receiving a sheet at a first location, transporting the sheet along the sheet path from the first location in a downstream direction at a first speed. The speed at which the sheet...

20060239734 - Image forming device: An image forming device includes an inner guide, a first outer guide, a second outer guide and a control device. A fusing casing is arranged between the inner guide and a heat roller. The inner guide forms a downstream end portion of a transportation path and a paper output path....

20060239735 - Sheet processing apparatus and image forming apparatus: The present invention provides a sheet processing apparatus that can prevent, with higher certainty, lift of the trailing end of each sheet placed in sheet stacking portion. This apparatus includes a first holding member and a second holding member that prevent lift of the trailing end of each sheet from...

20060233557 - Device and method for detecting position of unit mounted in image forming apparatus: A device and a method for detecting the position of a developing unit mounted in an image forming apparatus are provided. The device includes an image forming controller outputting a clock signal for accessing first to Nth (N is a positive integer greater than 1) developing units, a switching unit...

20060233558 - Jam removing device and image forming apparatus including the same, and jam removing method: A jam removing device in an image forming apparatus includes: jam detecting units mounted on the feed path and the discharge path to detect jams; a drive controlling unit to drive a driving source by opening a cover unit; and a pickup determining unit determines performing of a pickup operation...

20060233560 - Electrophotographic image forming apparatus: An image forming apparatus includes an image bearing member on which an electrostatic latent image is capable of being formed; a developer accommodating container for accommodating a developer for developing the electrostatic latent image; a detecting device for detecting a remaining amount of the developer in the developer accommodating container,...

20060233559 - Image forming apparatus, image forming method, toner counter and calculation method of toner consumption: An image forming apparatus of forming an image corresponding to image data is formed on a recording medium comprises a data processor which performs data processing of input image data so that a first correlation will be established between a target image density expressed by the input image data and...

20060233561 - Image forming apparatus having a changeable adjustment toner image positioning feature: In an image forming apparatus in which an maximum image width for image forming is smaller than the sum of a maximum recording material width of a usable recording material and length of two pattern images for a density correction and a registration deviation correction in a recording material width...

20060233562 - Expense recovery system for multi-function device with smart data entry: An expense recovery system for a digital MFD in the form of a modification to the application program interface of the MFD to allow input of identifiers for the user, the client and the job and to transmit this information and other transaction data to an host computer for billing...

20060233563 - Image processing system and image processing device capable of transferring data of job between image processing device as well as control program for the same: An image processing system includes a first image processing apparatus executing a job of processing an image, and a second image processing apparatus connectable to the first image processing apparatus over a network. The second image processing apparatus includes an authentication unit authenticating a user. The first image processing apparatus...

20060233564 - Image-reading apparatus and image forming apparatus: There is described an image reading apparatus, which employs the electric double layer. The image reading apparatus includes: an electric power source; an analogue image signal generating section that is coupled to the electric power source through a power line and converts an optical image to analogue image signals; an...

20060233565 - Image forming apparatus: An image forming apparatus that can maintain the accuracy of temperature control of an object to be heated within a predetermined range and avoid adverse effects of contamination of first temperature detection means. The image forming apparatus 1 has a photosensitive drum 14, a heater 901, a thermopile temperature sensor...

20060233566 - Image forming apparatus: A chamber (2A) adapted to dismountably mount respective units (10) and (10) is formed in a main body (2). Guiding members (37, 38, 39) are formed on each of the opposite side walls of the chamber, and guided portions (11A, 11B, 24A, 24B) formed on opposite sides of the respective...

20060233568 - Cartridge and image forming apparatus: A cartridge may include a frame; a photosensitive member that is rotatably supported about a rotation axis inside the frame; a discharge induction electrode that is supported inside the frame and detachably attachable to the frame from outside the frame in a direction perpendicular to the rotation axis of the...

20060233567 - Developing unit with reflection mirror and printing apparatus employing the same: A developing unit and a printing apparatus employing the same. A reflection mirror is installed in the developing unit at an angle to reflect an incident light beam toward an organic photoconductor (OPC) drum also installed in the developing unit. A latent image is formed on the surface of the...

20060233569 - Systems and methods for reducing image registration errors: An image processing apparatus including tandem print engines is provided for forming an image on an image receiving substrata. The apparatus includes a first print engine and a second print engine downstream from the first print engine. The second print engine is slaved to the first print engine. The first...

20060233570 - Imaging apparatuses and image forming methods: Imaging apparatuses and image forming methods are described. According to one embodiment, an imaging apparatus comprises a photoconductor comprising an image forming surface configured to receive a latent image, a plurality of developers individually configured to provide a marking agent to the image forming surface to develop the latent image,...

20060233571 - Toner feed assembly: A toner feeding device and method to supply toner from a toner reservoir to a selected location in the printer such as a toner supply roll. The toner feeding device may contact with a portion of an inner wall of a toner reservoir and may flex and may subsequently recover...

20060233572 - Developing apparatus: A developing apparatus having a rotatable developing sleeve having an elastic layer on the surface thereof for carrying a mono-component magnetic developer and urged against a photosensitive drum to develop an electrostatic image formed on the drum with the developer, a non-rotary magnet provided inside the sleeve for magnetically attracting...

20060233573 - Developing apparatus: A developing apparatus having: a rotatable developing roller for developing an electrostatic image with a mono-component magnetic developer at a developing position; a non-rotary magnet roll inside the roller; a blade for regulating the amount of the developer at a developer regulating position; and an abutting member abutting against the...

20060233574 - Material for removing residue toner: A material for removing residue toner has a non-woven felt with excellent oil retentivity, cleaning, and dry heat-stability, which is disposed on an oiled belt, an oiled roller or an oiled pad for a fixing machine or the like in a photographic imaging process. The material is composed of the...

20060233575 - Image heating apparatus using flexible sleeve: The image heating apparatus includes a flexible sleeve, a sliding member for sliding on the inner periphery of the sleeve, a back-up member for forming a nip portion together with the sliding member through the sleeve, wherein a recording material for bearing an image is heated while being held and...

20060233576 - Multi-function printer having compact structure: A multi-functional printer having a compact structure including a feeder for supplying paper; an image forming part for forming an image on the paper supplied from the feeder; a paper discharge part for discharging the paper passing though the image forming part; an image reading part for communicating data with...

20060233577 - Automatic document feeder capable of sorting originals: An automatic document feeder capable of sorting originals is electrically connected to a scan-sorting unit. The scan-sorting unit scans, one by one, front sides of the originals fed by the automatic document feeder to obtain a plurality of original image signals, and sorts, one by one, the original image signals...

20060233578 - Belt conveyance apparatus and image forming apparatus using such a belt conveyance apparatus: In an intermediate transfer part (100), a bead 107 is formed on an inner side of an intermediate transfer belt (102), which is rotated by an intermediate transfer belt drive roller (101). Driven roller bearings (104a, 104b) support an intermediate transfer belt driven roller (103). The intermediate transfer belt driven...

20060228122 - Image forming apparatus: When forming an image, if there are not enough sheets remaining in a paper feed cassette to satisfy the image forming request, the image forming operation is not executed, and along with prompting the user to refill the paper, the paper feed cassette is pushed out towards an uninstalled state....

20060228123 - Image forming apparatus, image forming system, and method of controlling image forming apparatus: An image forming apparatus is provided which is capable of preventing a drop in productivity even if a consumable such as toner is not replenished as expected. The image forming apparatus has a feature of shifting to a mode of saving the consumable if an arrival time of the consumable...

20060228124 - Image-forming device and transfer device: A blocking disk formed with a notched part is disposed between a density sensor and a belt. The exposure/blocking of the density sensor relative to the belt is switched by rotating the blocking disk. In one example, a disk-supporting axel gear is formed on a disk-supporting axel that is the...

20060228125 - Image forming apparatus: An image forming apparatus includes: a developing device which applies a developing bias voltage obtained by superimposing an AC bias voltage onto a DC bias voltage to a photoreceptor, and develops a latent image on the photoreceptor with a developer to form a toner image. The apparatus has a toner...

20060228126 - Image forming apparatus and method: The length of recording paper being conveyed to an image forming section is detected. If it is found that the length is shorter as a result of the detection, the recording paper is conveyed to a reversing section to be refed to the image forming section to continue conveyance of...

20060228127 - Process cartridge and electrophotographic image forming apparatus: A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus having a main assembly electrical contact, the process cartridge includes an electrophotographic photosensitive member; process means actable on the photosensitive member; a memory element for storing information relating to the cartridge; a cartridge electrical contact...

20060228128 - Printer or copier with a refrigerator for generation of cold: In a printer or copier at least one printing unit is provided that generates at least one toner image on at least one page of a carrier material. The printer or copier also has at least one fixing unit that fixes the toner image on the carrier material with aid...

20060228129 - Image forming apparatus and method for controlling an image forming operation of primarily transferring an image onto an intermediate transfer member: An image forming apparatus which is capable of reducing a color misalignment in a color overlapping process, and a color misalignment due to variation of the circumferential length of an intermediate transfer member due to an environmental change over time during a successive copy operation. The image forming apparatus carries...

20060228130 - Image forming apparatus having a medium transporting belt formed in an endless shape: A belt member is seamed to form an endless belt which is stretched by a plurality of roller members and circulated in a first direction. The belt member is provided with an electrode portion at a first end portion thereof in a second direction perpendicular to the first direction. A...

20060228131 - Image forming device: An image forming device includes: a main body; a plurality of image forming units; a holding unit; and an engagement mechanism. Each of the plurality of image forming units has a developing portion. The holding unit holds the plurality of image forming units. The plurality of image forming units are...

20060228132 - Process cartridge and image forming apparatus: A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus including an openable member movable between a closing position for n opening and an open position for the opening, a guiding member, a main assembly positioning portion, and a main assembly movable member movable in...

20060228133 - Assembly and method for reducing shaft deflection: A shaft mounting and loading arrangement includes a shaft rotatably mounted within a frame of an imaging machine by a pair of spaced mounting bearings. A belt is entrained on the shaft between the bearings. The belt applies a belt load to the shaft along an axially length thereof. Loading...

20060228134 - Toner transport device, toner supply device, and image forming apparatus: A toner transport device includes a toner transport path for passing toner, and a toner transport pipe disposed so as to have an up-and-down direction in which the toner transport path extends. Further, the toner transport device includes a pipe supporting member for supporting the toner transport pipe, which is...

20060228135 - Developing device, process cartridge and image forming apparatus: A developing device of the present invention includes a photosensitive drum and a developing roller facing the drum. The developing roller accommodates a stationary magnet roller that forms on the surface of the developing roller a scoop-up pole for scooping up the developer stored in the developing device onto the...

20060228136 - Color image forming apparatus: The color image forming apparatus, having: an intermediate transfer member; a plurality of image forming sections provided along the intermediate transfer member; a primary transfer device provided along the intermediate transfer member to transfer toner images formed on each image forming section so that the toner images are superimposed on...

20060228137 - Multiple quantity print job separation systems and methods: Embodiments herein automatically separate a multiple quantity print job. Instructions to print a plurality of quantities of a single print job are received. The method sequentially prints each of the quantities and automatically inserts a separator sheet between each of the quantities....

20060228138 - Image forming apparatus, image forming system and program product: An image forming apparatus including: an image forming unit; plural trays; a sheet feed unit that feeds a sheet held in one of the trays; a correspondence storing unit that stores correspondence between trays and kinds of sheets; a priority setting unit that sets priority to a designation of the...

20060228139 - Image forming apparatus: The image forming apparatus has a discharge device, an air blow device and a detection device, wherein an amount of blown air by the air blow device when the height of the recording materials detected by the detection device is higher than a preset first detection position is smaller than...

20060228140 - Electrical interconnect: An electrical interconnect includes an electrical pathway having a first member a second member, the first member being disposed at an oblique or perpendicular angle to the second member at a location adjacent to the second member, wherein at least one of the first member and the second member have...

20060222378 - Printing system: A xerographic printing system includes a group of marking modules which apply a marking medium to print media, at least one of the marking modules being a custom marking module. A control system is configured for being operatively linked with marking modules. The printing system has a first mode of...

20060222379 - Image-forming apparatus: An image-forming apparatus for forming an image by heating a medium, the image-forming apparatus includes a connector connectable to a heating unit that heats the medium; a conmmercial power supply that generates power to be supplied to the heating unit; a switch system, provided between the heating unit and the...

20060222380 - Image forming apparatus: Copy discouraging information which is used for prohibiting or discouraging copying of image information is formed so that it can be positively recognized by a copy machine. The copy discouraging information which is used for prohibiting or discouraging copying is printed so that the number, position and shape of the...

20060222381 - Image forming apparatus: An image forming apparatus including a photoreceptor that rotates, a charging member provided in contact with or in close proximity of the photoreceptor to charge the photoreceptor, a charge amount detecting portion that accumulates current flowing across the photoreceptor to obtain a charge amount of the photoreceptor, while the current...

20060222383 - Image forming apparatus: A low cost image forming apparatus can be provided in which the amount of remaining toner of each color in each development apparatus can be detected by a single detection sensor device and at the same time whether the development apparatus is attached to or detached from the image forming...

20060222382 - Minimum replenisher dispense strategy for improved xerographic stability: An electrostatic printing machine having a development station having a toner dispenser for dispensing toner in the development station and wherein the electrostatic printing machine employs a method for improving xerographic stability of condition the development station, including reviewing a print job comprising job images for toner usage; calculating a...

20060222384 - Image on paper registration alignment: A method is provided for aligning images on media produced by one or more print engines in an integrated print system. The method includes printing a first pattern of first symbols on a first region of a print medium with a first print engine and printing a second pattern of...

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...

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...

20060222387 - Full-width array sensing of two-dimensional residual mass structure to enable mitigation of specific defects: A defect analysis system for a xerographic print engine includes a residual mass sensor that senses the two-dimensional signature structure of residual mass remaining on a photoconductive or other substrate surface after image transfer. Preferably, the sensor is a full width array that spans substantially an entire width of the...

20060222389 - Image forming apparatus and control method thereof: An image forming apparatus for forming an image corresponding to an image signal on a recording material, comprising: a signal processor which generates an image-formation control signal by subjecting the image signal to a signal processing process including a screening process selectively using one of plural types of different processing...

20060222388 - Toner monitoring systems and methods: Embodiments herein generally relate to printing systems and methods that use toner and more particularly to a system and method that observes the distribution, for different levels of transfer field, of mass per area of toner remaining on the drum/belt as the drum/belt transfers the toner. The distribution is compared...

20060222390 - Electrophotographic image forming device and developing method thereof: Provided is an image forming device performing hybrid development that uses magnetic carriers and nonmagnetic carriers. An electrical potential of a non-image portion on an image holder and an electrical potential of a direct current component of a developing bias voltage applied to a developing roller are determined so that...

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...

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...

20060222393 - Printing system: A printing system includes first and second marking engines. First and second fusers are associated with the marking engines, respectively. The printing system has a first mode of operation in which print media is fused by both fusers and a second mode of operation in which at least a portion...

20060222394 - Image forming apparatus: An image forming apparatus includes a plurality of loop detecting sensors which detect various levels of loops formed on a recording material; and a controlling device which selects a specific one out of the loop sensors in accordance with information on the recording material, and then, switches a conveyance speed...

20060222395 - Image forming apparatus: A machine (1) has a capacitor switch (20) for switching between a side to drive a first fixing heater (17) by a capacitor (18), and a side to charge the capacitor (18). A battery switch (25) switches between a side to drive a second fixing heater (22) by a battery...

20060222396 - Information processing equipment, image display program product, and image forming system: If a designation detector detects one of icons representing peripheral equipment (image forming apparatuses) displayed on a monitor screen by a display controller in response to operator's manipulation, an operation information acquirer acquires, from the respective peripheral equipment, operation information indicating a job status of the respective peripheral equipment represented...

20060222397 - Electronic device: A method and apparatus initiate the supply of power to a component to ready the component to perform a function in response to further operator input....

20060222398 - Power supply unit in image forming apparatus: A power supply unit in an image forming apparatus is provided. The power supply unit includes a piezoelectric transformer, an output voltage detecting circuit which detects the output voltage of the piezoelectric transformer, a comparator which receives an output voltage setting signal, together with an output voltage detecting signal fed...

20060222399 - Cleaning member for charging device: The present invention relates to printing devices and particularly to devices and a method for the reduction of contamination on a charging device. A cleaning member is supplied that has a cleaning material affixed to a substrate. The cleaning material is positioned to contact the charge roller and the substrate...

20060222400 - Image forming apparatus: An image forming apparatus includes an image bearing member; a charging member for contacting a peripheral surface of the image bearing member to electrically charge the peripheral surface; a first developing device for forming a first developed image on the peripheral surface of the image bearing member charged by the...

20060222401 - Image forming device: A laser printer is provided which includes a conveying belt, which is configured for circulating movement and which indirectly supports developer over a recording medium. Furthermore, a cleaning roller which contacts the outer surface of the conveying belt and an opposing roller which faces the cleaning roller are provided. The...

20060222402 - Image-forming device: An image-forming device has a main casing, a cartridge, and a guiding unit. The main casing has a cartridge access opening and a cartridge loading section in communication with the cartridge access opening. The cartridge access opening has an opening plane. The cartridge is detachably counted in the cartridge loading...

20060222403 - Image forming apparatus: An image forming apparatus includes an apparatus main body, a photoconductive drum, a transfer roller, a pair of guide supporting brackets, and an urging member. The guide supporting brackets include two paper transportation guides, and the brackets are mounted on both end portions of a drum shaft of the photoconductive...

20060222404 - Apparatus and method for cleaning residual toner from drums in image forming apparatus: An apparatus and method for cleaning a plurality of drums in an image forming apparatus includes applying a first bias to each of a plurality of disturbing members, each disturbing member associated with a corresponding drum of a plurality of drums. While performing an image forming operation wherein at least...

20060222405 - Image forming apparatus: An image forming apparatus includes: an image carrier rotated by a drive section and carrying a toner image to transfer onto a transfer medium; and a drive-side coupling and an image carrier-side coupling capable of being connected to and being separated from each other by relative movement in a direction...

20060222406 - Non-contact bias charge roll biased with burst modulation waveform: A method of operating an electrostatographic printing apparatus, the apparatus including a charge-retentive member defining an imaging surface and a charging device for placing a charge on the imaging surface, a gap existing between the imaging surface and the charging device, including applying an electrical bias to the charge-retentive member...

20060222407 - Wet type image forming apparatus and developing unit thereof: A developing unit for a wet type image forming apparatus that forms an image with developing solution containing toner in carrier solution is provided. The developing unit includes a latent image carrying roller on which a latent image is developed with the toner, a developing solution carrying roller that is...

20060222409 - Developing device and image forming apparatus: A developing device (100) according to the present invention is provided with a housing (102) for holding toner, conveying screws (104, 105) arranged in the housing (2) and each including a rotary shaft (107) and a blade (106) arranged on the rotary shaft (107) for conveying the toner from one...

20060222408 - Toner conveying device, developing device, and image forming device having the same: A developing device includes a container for containing toner, a rotatable shaft provided in the container, a spiral shaped blade formed on an outer circumference of the shaft, and a first spiral member for conveying the toner in the longitudinal direction of the shaft by means of rotation. In addition,...

20060222410 - Two-component developing unit: A two-component developing unit having an OPC, a toner supply part supplying toner, and a carrier circulating part including a carrier and circulating the carrier to mix the toner with the carrier and deliver the toner onto the OPC, includes a housing with a hollow body connecting the toner supply...

20060222411 - Xerographic developer unit with specialized exit port for developer material: In a basic design of a developer unit for electrostatographic printing apparatus, an exit port is defined in the housing of the developer unit, for the passage of waste or surplus toner therethrough. An insert, defining a predetermined spillover barrier height and a predetermined exit angle, is associated with the...

20060222412 - Development device, and process cartridge and image forming apparatus using the device: A developing device includes: a developing unit having a developer storage chamber for storing a developer composed of a toner and a carrier, in which a developer agitating carrying member and a developer holding member capable of holding and carrying the developer agitated and carried by the developer agitating carrying...

20060222413 - Toner container and full color image forming device: Toner containers are disclosed which are arranged in a horizontal direction, each toner container including (a) a container body that has an opening formed in the top thereof, and a first brim member formed around the entire circumference of the opening so as to protrude outward, and (b) a container...

20060222414 - Toner supply device: Disclosed is a toner supply device including a toner container section (21b), a rotating shaft (31) provided in the toner container section (21b), and a stirring member (32) for stirring and feeding toner T to a supply opening (21d) formed in the toner container section (21b). The stirring member (32)...

20060222415 - Image forming apparatus: An image forming apparatus which can stably form an image of high quality by the use of a first developer carrying member and a second developer carrying member. On the first developer carrying member, development is performed by a method whereby a magnetic carrier contacts with an image bearing member,...

20060222416 - Electrophotolithographic image forming device and image developing method: An electrophotographic image forming device is provided which includes an image holder on which an electrostatic latent image is formed. A magnetic roller has a magnetic brush including nonmagnetic toner and a magnetic carrier using a magnetic force. Donor rollers are provided which have toner layers that are received from...

20060222417 - Two-component developing device and image forming apparatus including the same: A two-component developing device includes a photosensitive body, a hollow developing sleeve rotating oppositely to the photosensitive body and carrying a mixed developer of a carrier and a toner, and a magnet roller provided inside the developing sleeve and generating a predetermined magnetic field to form a developing zone between...

20060222419 - Alignment pattern detecting sensor, method of determining acceptance width of the alignment pattern detecting sensor, method of forming alignment pattern, and image forming apparatus: t

20060222418 - Method and apparatus for image forming capable of effectively adjusting image shifts: An image forming apparatus includes a plurality of image bearing members configured to bear respective images, an optical writing unit configured to write the respective images on the plurality of image bearing members by deflecting a laser beam on a polygon mirror, a transfer unit configured to transfer the respective...

20060222420 - Apparatus and method for controlling angle fluctuation of a transfer belt in an image forming apparatus: An image forming apparatus includes a plurality of image forming units, a transfer belt that receives toner images from the plurality of image forming units, and a plurality of transfer rollers for rotating the transfer belt in an image forming direction. The image forming apparatus also includes a tensioner having...

20060222422 - Intermediate transfer belt and image forming device: An intermediate transfer belt for an image forming device comprises a laminated body including at least two layers. At least one layer of the laminated body is an elastic layer including cells that are preferably interconnected cells....

20060222421 - Transfer member: A printer includes a surface configured to carry an electrostatic charge and a printing material forming an image, a transfer member configured to carry printing material from the surface to media and a heater external to the transfer member. The heater is configured to heat printing material being carried by...

20060222423 - Heat-pipe fuser roll with internal coating: An energy transfer device and system includes a heat pipe and an interior coating to at least a portion of an interior surface of the heat pipe, the interior coating comprises at least one of the properties selected from chemically inert, liquid phobic, stable at high temperature, of low porosity...

20060222424 - Ac biased conductive brush for eliminating voc induced lcm: A cleaning system including: a cleaning device for cleaning laterally conductive deposits from the imaging surface; an AC bias member, adjacent to the imaging surface and positioned downstream from the cleaning device; and a power supply for biasing the AC bias member to generate corona that contacts the imaging surface...

20060222425 - Photoreceptor abrader for lcm: A cleaning system for cleaning an imaging surface moving in a process direction, including: an abrading brush for uniformly abrading the imaging surface to remove laterally conductive deposits that lead to lateral charge migration therefrom, the abrading brush includes a core defining a core length and having fibers extending outwardly...

20060222426 - Sheet feeder with electrostatic dust-collecting function: A sheet feeder with electrostatic dust-collecting function includes a paper path, a feeding roller, a dust-collecting passageway and an electrostatic charge generator. The feeding roller located on the paper path feeds a sheet through the paper path. The dust-collecting passageway has an inlet connected to the paper path and an...

20060222427 - Paper feeding cassette for preventing double-feed of paper and image forming apparatus with the same: A paper feeding cassette and an image forming apparatus with the same are provided. The paper feeding cassette includes a stacking portion for stacking sheets of paper thereon, an inclined wall upwardly slanted relative to the stacking portion, a double-feed preventing unit provided on the inclined wall for separating and...