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Electrophotography > Diagnostics > Consumable > Toner TonerToner patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.09/27/07 - 20070223946 - Method and apparatus for image forming capable of controlling toner concentration accurately A toner-concentration controller includes a controller configured to control a toner supply amount in accordance with a detection result of a toner-concentration of two-component toner, and a sensor unit configured to detect the toner-concentration of two-component toner. The sensor unit includes a correction mechanism to correct an output signal of ... 09/27/07 - 20070223945 - Toner supplier, toner supply method, image forming apparatus and toner supply system A toner supplier, including a toner container configured to contain a toner, an air discharger configured to discharge air from a bottom of the toner container to form a fluidized toner, a detector configured to detect usage information of the toner contained in the toner container, and a communicator configured ... 09/27/07 - 20070223944 - Developing apparatus, image forming apparatus and density detection method To provide a technology capable of realizing high-accuracy detection of toner density. A developing apparatus includes: a partition plate provided within the developing apparatus for partitioning an interior of the developing apparatus into a plurality of space; plural transport mixers each provided in the space within the developing apparatus partitioned ... 09/27/07 - 20070223943 - Image forming method When copying control (copying/printing job) is finished, the main CPU checks whether the scanner control is being executed in the scanner portion. If the scanner control is not being executed, the main CPU checks whether there is any scanner control executing request. If there is no scanner control executing request, ... 09/20/07 - 20070217797 - Image forming apparatus, process cartridge and developing method Provided is a development technique of supplying a developing bias voltage having DC and AC components to a developing roller thereby to supply a developer to a photosensitive surface of a photosensitive material, which can contribute to improvement of the image quality of an image to be developed. The image ... 08/30/07 - 20070201886 - Image forming apparatus, toner cartridge and method to detect toner level An image forming apparatus that forms an image according to an electrophotographic system includes plural developing units provided in a cylinder, which freely rotates a fixed angle at a time around a rotation shaft, to rotate together with the cylinder. Toner levels of toner cartridges arranged in the developing units ... 08/02/07 - 20070177888 - Image forming apparatus An image forming apparatus includes an image bearing member on which an electrostatic image is formed; a developing device for developing the electrostatic image formed on the image bearing member with a developer including toner and a carrier; a supplying apparatus for supplying into the developing device a supply developer ... 07/19/07 - 20070166061 - Image forming apparatus and image forming method An image forming apparatus includes a toner bottle, a supply unit that supplies toner from the toner bottle to a downstream side, a door that is openably provided to execute toner replenishment, an opening/closing sensor that senses opening/closing of the door, and a unit that renders the supply unit inoperable ... 07/19/07 - 20070166059 - Image forming apparatus, toner counter and method of calculating toner consumption amount The toner consumption amount in the image forming apparatus is calculated accurately. The printing dot subject to process (mark of a circle with hatching) is divided into classes depending upon the number of adjacent dot (mark of a white circle) present around the dot subject to process, and the number ... 07/05/07 - 20070154229 - Universal developer for color and black printing systems A method of supplying toner to a printing device includes providing a universal developer for at least two colors. A developer system includes a universal developer unit and a developing station that develops an image using the toner and the universal developer. The universal developer may be provided to each ... 05/31/07 - 20070122169 - Image forming apparatus and image density control method An image forming apparatus is configured that a developing unit develops a latent image with a toner, which is controlled by a toner-supply control unit based on a deference between a toner-density of the toner that is supplied to the developing unit and a reference-value. A reference-value determining unit determines ... 05/31/07 - 20070122168 - Image density control method and image forming apparatus An image density control method for an image forming apparatus in which, in order to keep the development capability constant over time, the toner density in the developer is manipulated to an appropriate range by changing the toner density control reference value in accordance with the toner replacement amount in ... 05/24/07 - 20070116480 - Image forming apparatus An image forming apparatus in which a predetermined image density can be obtained by correcting a toner density control target value without consuming toner. The output The output value Vt of the magnetic permeability sensor and the target output value Vtref are compared, and the toner density is controlled by ... 05/17/07 - 20070110456 - Method and device for controlling supply of developer A method and a device for controlling a supply of a developer are provided. An amount of the developer is sensed during warm-up and a determination is made as to whether the sensed amount is equal to or less than a predetermined threshold during warm-up. The developer is supplied during ... 05/17/07 - 20070110455 - Image forming apparatus An image forming apparatus, which comprises a toner density detection device for detecting the density of a toner inside a developing device, acquires the number of pixels from inputted image information, calculates the toner replenishment amount from the toner density detection value and the information on the pixels, and thereby ... 05/10/07 - 20070104499 - Developing unit and image forming apparatus A developing unit supplies toner from a developing roller to an electrostatic latent image formed on an image carrier, and creates a visual image. A forced consumption unit causes, when a proportion of number of pixels used for forming the electrostatic latent image for a maximum image effective-width is equal ... 04/26/07 - 20070092273 - Image forming apparatus and toner consumption amount calculating method An image forming apparatus which forms an image using toner includes: a data processor which performs data processing of input image data corresponding to a toner color and accordingly generates output image data needed to obtain a predetermined tone reproduction characteristic; an image forming unit which forms an image corresponding ... 04/26/07 - 20070092272 - Method and device for determining an amount of material in a container An amount of material in a container is determined by measuring a time it takes for an object to move through the material, and determining the amount of material based on the measured time. ... 04/19/07 - 20070086797 - Method and apparatus for image forming capable of effectively correcting output from toner density sensor An image forming apparatus using a two-component developer includes a sensor mechanism, an image forming mechanism, a toner supply controller, a memory, an estimation mechanism, and a correction mechanism. The sensor mechanism detects a toner density of the developer. The image forming mechanism produces a toner image at one of ... 04/19/07 - 20070086796 - Printing apparatus A plurality of chambers are adapted to accommodate a plurality of cartridges each containing toner to be used for printing. A mode changer is operable to change an operation mode of the printing apparatus in accordance with a combination of respective colors of toner in the cartridges accommodated in the ... 04/12/07 - 20070081829 - Image forming apparatus and output image density correction method An image forming apparatus including: an outputted image density control portion that forms a patch image and determines an outputted image density control condition based on a comparison result of the density of the patch image with a preliminarily set target value; a pixel count portion capable of counting the ... 04/12/07 - 20070081828 - Printing system with balanced consumable usage A printing system includes a plurality of marking engines. The marking engines selectively receive at least one replacement module, such as a toner or ink cartridge. The replacement module includes a consumable such as toner or ink, which is consumed during rendering of images by the respective marking engine. A ... 04/05/07 - 20070077076 - Image forming apparatus and method of determining degradation of charging property of developer A photosensitive layer of a photosensitive drum is charged and a surface of the photosensitive layer is exposed at a specified density and then a development bias is applied to a development roller. An absolute value of a detection voltage is obtained from a development current sensor. It is determined ... 04/05/07 - 20070077075 - Systems and methods for monitoring toner usage Systems and methods for estimating the amount of imaging material, such as toner, used in a printing device. In one example, a system estimates toner usage from imaging data and accounts for a “diffusion effect” caused by non-adjacent pixel groups. In certain embodiments, the system examines sets of pixel locations ... 03/29/07 - 20070071464 - Developer accommodating apparatus, developing apparatus and image forming apparatus A developer accommodating apparatus, a developing apparatus and an image forming apparatus are provided capable of obtaining detection stability of irregular reflection light. The developing apparatus 4a of the present invention comprises an accommodating section to accommodate developer of predetermined quantity, a light emitting section to emit light toward outside; ... 03/22/07 - 20070065164 - Image forming apparatus In an image forming apparatus a developing device develops an electrostatic latent image on an image carrier with a developer that contains toner to obtain a toner image, a toner-amount detecting unit detects amount of toner attached to the toner image, and a toner-density detecting unit detects a density of ... 03/22/07 - 20070065163 - Method and device for transporting toner material, preferably in an electrophotographic- printer or copier In a method and system for determination of a fill state of a transport reservoir for toner material, toner material is transported from a transport reservoir into a developer station with aid of a toner transport system of a printer or copier. At least a toner material quantity supplied to ... 03/15/07 - 20070058998 - Image forming apparatus and a method of effectively detecting toner state in the same An image forming apparatus includes an optical sensor configured to optically detect a density of a reference pattern image, a toner density sensor configured to detect a density of toner i.n a developing unit, a storing unit configured to store an image area coverage of an output image, a determining ... 03/15/07 - 20070058997 - Image forming apparatus An image forming apparatus is provided, which is capable of using such a toner cartridge preferentially without interrupting an image forming action as is desired for an early use and as has a less toner remaining amount. When a toner density in a developer container to be supplied with the ... 03/15/07 - 20070058996 - Image forming apparatus and method for detecting amount of remaining toner The image forming apparatus according to the present invention detects the amount of remaining toner by using (i) the result of calculation carried out by a toner supply amount calculation section based on an accumulated rotational time measurement section in a region where the amount of remaining toner is not ... 03/15/07 - 20070058995 - Development method and development apparatus TD≦{γt·Vt/Nt/(γc·Vc)}×100 (2) ... 03/08/07 - 20070053705 - Image forming apparatus In an image forming apparatus, in each of a cyan image forming unit, a magenta image forming unit, a yellow image forming unit, and a black image forming unit, during a non-development period during which no toner is discharged out of a development unit, when toner in the development unit ... 03/08/07 - 20070053704 - Image forming apparatus capable controlling toner supply An image forming apparatus, including a toner supplying unit to supply toner, a toner transporting unit to transport the toner supplied from the toner supplying unit, a sensor to sense a density of the toner transported by the toner transporting unit, a compensating signal generating unit to compensate for amounts ... 03/08/07 - 20070053703 - Image forming apparatus An image forming apparatus includes a developer container that holds a two-component developer, a toner concentration detector that detects toner concentration in the developer, a toner supplying unit configured to supply new toner to the developing unit, a toner supply controlling unit that compares an output of the toner concentration ... 03/08/07 - 20070053702 - Image forming apparatus An image forming apparatus includes: an image carrier on which an electrostatic latent image is to be formed; a rotary development unit having a plurality of developer carriers that carry a developer used for developing the electrostatic latent image, the developer including toner, the plurality of the developer carriers being ... 03/01/07 - 20070047982 - Image forming apparatus, method for forming an image, computer-readable storage medium, and computer system An image forming apparatus comprises an image bearing member on which a latent image is formed, a plurality of developing devices for developing the latent image, each of the developing devices containing developer, and a turnable turning member on which the plurality of developing devices are mounted. The turning member ... 03/01/07 - 20070047981 - Image forming apparatus An image forming apparatus includes a first developing device for developing an electrostatic image with a developer including toner and carrier; a second developing device for developing an electrostatic image with a developer including toner which is different from the toner and carrier; first supplying means for supplying the toner ... 02/22/07 - 20070041738 - Developing device and image forming apparatus using the developing device A developing device includes a developing housing which faces an image carrier on which an electrostatic latent image is carried and stores a developer which contains toner and magnetic carrier; a developer carrier that is disposed apart from the image carrier in the developing housing and carries and transports the ... 02/15/07 - 20070036566 - Image forming apparatus and toner concentration controlling method The image forming apparatus includes a developing device that holds a two-component developer to develop an image, a detecting unit that outputs a reference output value and a second output value when the two-component developer is stirred and carried at a stirring/carrying speed corresponding to a second image forming mode, ... 02/15/07 - 20070036565 - Developer supply container and image forming apparatus A developer supply container detachably mountable to a main assembly of an image forming apparatus including remaining amount detecting means for detecting an amount of remaining developer by receiving light from a light emitting portion by a light receiving portion, the container includes a container body for containing a developer; ... 02/15/07 - 20070036564 - Apparatus, a system and a method for testing a cartridge An apparatus, a system and a method are provided for testing a cartridge. The apparatus and/or the system is attached and/or is connected to the printer containing the cartridge via a port of the printer. The apparatus and/or the system communicates with and/or controls the printer. The apparatus and/or the ... 02/15/07 - 20070036563 - Method and device for adjusting to a minimum value the toner supply to a developing station of an electrographic printing unit or copying unit In a method to adjust the toner supply to a minimum value in a developer station of an electrographic printing or copying device in which charge images are generated on an intermediate carrier, the charge images being inked with toner at the developer station, a toner concentration is measured in ... 01/04/07 - 20070003296 - Toner near empty state detection system In an image forming apparatus of a type wherein toner is replenished to a developing unit by turning or rotating a toner bottle, a phenomenon that a toner replenishment amount per turn of the bottle (replenishing rate) is decreased as the toner remaining quantity in the bottle is decreased, is ... 12/28/06 - 20060291880 - Image forming apparatus capable of counting consumable consumption amount, and control method and control program therefor An image forming apparatus which is capable of accurately performing a video count process based on image data and thus maintaining the quality of images even where DMA transfer processing is used. An image forming device performs a process using a consumable material. A first controller controls the image forming ... 12/28/06 - 20060291879 - Image forming apparatus An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers on an rotation orbit and moving the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures ... 12/28/06 - 20060291878 - Image forming apparatus An image forming apparatus includes a rotary unit having a plurality of development devices provided around a rotary shaft, the development device having a constituent unit, wherein: a plurality of the development devices sequentially move to a development position, where the development devices oppose an image carrier by rotation of ... 12/21/06 - 20060285861 - Development device and toner replenishment method A development device is provided with a development vessel, a toner box, a toner amount detection sensor, and a control section. The development vessel accommodates toner to be supplied to an electrostatic latent image on an image carrier. The toner box replenishes toner into the development vessel. The toner amount ... 12/21/06 - 20060285860 - Image forming apparatus and image forming apparatus administration system An image forming apparatus including an electrostatic image forming device, which forms an electrostatic image on an image bearing member, a developing apparatus, which develops the electrostatic image by a development bias being applied to a developer carrying member carrying a developer, a distance changing device, which changes the closest ... 12/14/06 - 20060280513 - Image forming apparatus An image forming apparatus includes a developer reservoir, a detector, a computing section, a display unit, and a controller. The developer reservoir holds developer therein. The detector detects when the developer decreases to a first amount (i.e. toner-low level) The computing section computes current accumulated developer usage. The current accumulated ... 12/07/06 - 20060275044 - Image forming apparatus A density counting unit of an image forming apparatus for forming a monochromatic image or a color image represented by a plurality of color components on a photosensitive member includes: first totaling means for totaling pixel values of monochromatic component of each pixel of an image when a monochromatic image ... 11/30/06 - 20060269302 - Image forming device An image forming device includes a front cover which can be opened and closed, a remaining amount detecting sensor for detecting a remaining amount of toner, and a moving mechanism which moves the remaining amount detecting sensor between a retracted position and a detecting position. The moving mechanism includes a ... 11/23/06 - 20060263107 - Image forming device capable of displaying total remaining amount of developing agent in monochrome printing mode An image forming device has an image carrier (20) and a development device (50) in which development units (51-54) are detachably attached, and the development units has a memory for storing color information and remaining amount information of development agent. The image forming device operates as a monochrome printing mode ... 11/23/06 - 20060263106 - Image forming apparatus, cartridge, storage device and developer supplying method An image forming apparatus is provided which includes a developing apparatus configured to form a developer image; a supply apparatus configured to supply developer to the developing apparatus; a detector configured to detect an amount of developer consumed during an image forming process; and a controller configured to perform an ... 11/02/06 - 20060245770 - Apparatus and method for displaying toner residual quantity An apparatus and a method that displays a toner residual quantity includes: a calculation unit calculating a first prediction of toner residual quantity according to a dot count of printing data and calculating a second prediction of toner residual quantity according to a total actuating time of a toner supply ... 10/19/06 - 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, ... 10/19/06 - 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 ... 10/05/06 - 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 ... 10/05/06 - 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 ... 09/28/06 - 20060216046 - Image forming apparatus and toner cartridge An image forming apparatus includes an image forming unit for forming an image, and a toner cartridge detachably attached to the image forming unit for supplying toner to the image forming unit. The image forming apparatus further includes a toner supply control unit for controlling an amount of toner supplied ... 09/28/06 - 20060216045 - Feed forward and feedback toner concentration control utilizing post transfer sensing for tc set point adjustment for an imaging system A toner concentration control system for maintaining image quality in a developer structure, the toner concentration control system comprising: a transfer efficiency estimator for measuring a transfer efficiency estimate associated with a developed image on an imaging surface before and after transfer; and a toner dispenser, responsive to said transfer ... 09/14/06 - 20060204257 - Image forming apparatus In one embodiment, a pixel count portion that accumulates pixel count values for each pixel obtained by multiplying the input signal levels of a multilevel image by weighting coefficients, a toner consumption calculating portion that calculates toner consumption of each color from the pixel count sum value, an average toner ... 09/14/06 - 20060204256 - Image forming apparatus An image forming apparatus includes a developing device that develops an electrostatic latent image formed on an image carrier with a toner, and a toner cartridge that replenishes the developing device with the toner. Excess toner on the image carrier is collected in the developing device for reuse, and image ... 09/14/06 - 20060204255 - Image forming apparatus and method for notifying the toner near-empty An image forming apparatus 1 comprises a toner cartridge, a display portion 33 for notifying a toner near-empty, storage portions 34, 37 for storing, as data, a toner amount housed in a new toner cartridge, a toner consumption amount when the toner cartridge is used and operating time of the ... 09/07/06 - 20060198645 - Image forming apparatus and image forming unit An image forming apparatus comprising: an image forming section and a residual toner amount detection unit. The image forming section includes a photosensitive member, a charging unit, an exposure unit, a developing unit, and a toner storage unit. The residual toner amount detection unit detects an amount of toner remaining ... 09/07/06 - 20060198644 - Image forming apparatus and image adjusting method An image forming apparatus includes: an image carrying member; a latent image forming unit to form an electrostatic latent image on the image carrying member; a developing unit to develop the electrostatic latent image on the image carrying member to form a toner image; a forcible discharge unit to forcibly ... 09/07/06 - 20060198643 - Toner remainder detecting device, toner cartridge and image forming device An object of the present invention is to provide a remaining amount of toner detecting apparatus capable of highly accurately detecting the remaining amount of toner with a simple configuration, a toner cartridge in which the remaining amount of toner is highly accurately detected with a simple configuration, and an ... 08/31/06 - 20060193650 - Developing device, image forming apparatus having developing device, developing device control method, developing device control program, and computer-readable storage medium The developing device according to the present invention includes a developing tank for containing two-component developer, a toner density sensor, and a toner cartridge. Further, the developing device according to the present invention includes a control section for inputting, to the toner density sensor, a control voltage (Vc) for correcting ... 08/31/06 - 20060193649 - Image-forming device The image forming device, by providing an amount of toner remaining detection system, calculates the amount of relative change in the electrostatic capacitance in the amount of toner remaining over a prescribed number of sheets of recording paper (R) to sense the amount of toner remaining, and indicates that the ... 08/24/06 - 20060188275 - System and method for adjusting toner consumption A toner cartridge comprises toner and electrical development components which consume a portion of the toner by printing a plurality of images. An electronic circuit stores an indication of the amount of toner remaining, and a value controlling a voltage applied to at least one of the electrical development components. ... 08/24/06 - 20060188274 - Image forming apparatus An image forming apparatus of the present invention forms a light and a dark toner image and superposes them on a sheet for thereby outputting a composite image. The apparatus includes a first and a second developing unit storing dark toner and light toner, respectively, a dark toner and a ... 08/24/06 - 20060188273 - Development apparatus A development apparatus comprises an auger conveyor member of stirring and conveying a developer, the gravity of the developer being eccentrically distributed with respect to a center of rotation, a drive transfer member of driving and rotating the auger conveyor member, the drive transfer member being capable of being engaged ... 08/03/06 - 20060171727 - Image forming apparatus An image forming apparatus includes: a transfer belt that is formed of an endless belt; a plurality of image forming units that are so arranged as to be aligned in a transfer belt conveyance direction; a plurality of toner supply containers that are detachably fitted, on one end side in ... 07/27/06 - 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 ... 07/20/06 - 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 ... 07/20/06 - 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 ... 07/20/06 - 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 ... 06/29/06 - 20060140652 - Developer device and image forming apparatus A laser printer is configured so that a process unit having a developing cartridge is detachably attachable to an apparatus body. A frame of the developing cartridge is formed with a toner chamber storing toner and a toner inlet that communicates with the toner chamber. A capping member is either ... 06/29/06 - 20060140651 - Developing apparatus and image forming method A developing apparatus for developing an electrostatic image with light chromatic toner and dark chromatic toner which have the same hue, the developing device includes a light color developing device for accommodating a developer containing the light chromatic toner and carrier to develop the electrostatic image; a dark color developing ... 06/29/06 - 20060140650 - Image forming apparatus, toner counter and toner consumption calculating method The number of toner dots to be formed or tone values of the respective dots are integrated and thus found count is multiplied by a predetermined coefficient, thereby calculating a toner consumption amount. As a value (E1 or E2) to which exposure power E is set to attain a target ... 06/22/06 - 20060133832 - Image forming apparatus and image forming method The attenuation characteristic of the surface potential of a photosensitive drum 20 is periodically detected. A target value −Vgt for a grid bias voltage −Vg applied to a charging unit 24, which is necessary to maintain, at a set value −Vods, the charging potential −Vod of the developing portion of ... 06/15/06 - 20060127109 - Image forming apparatus, toner density control method, toner density control program and storage medium for storing the program An amount of toner consumption accompanying development of an image corresponding to the image data is calculated based on image data, and a corrected consumption amount is calculated by multiplying the calculated amount of toner consumption by a predetermined correction ratio that is less than 1. Further, toner is supplied ... 06/15/06 - 20060127108 - Image forming device and toner consumption amount estimating method An image forming apparatus includes: toner supply amount detecting means for detecting a toner supply amount to a developer tank; detecting means for detecting a signal value of each pixel of an image; and toner consumption amount estimating means for estimating a toner consumption amount, based on the signal value. ... 06/08/06 - 20060120737 - Image forming device An image forming device in which printing can be conducted by mounting a plurality of toner cartridges of the same color, wherein a toner cartridge that caused degradation of image forming quality can be distinguished among the toner cartridges, is provided. The image forming device, in which a plurality of ... 06/08/06 - 20060120736 - Image forming apparatus and control method for image forming apparatus When a plurality of development units holding toner of the same color are mounted in an image formation device, an error or warning or the like is displayed on the image formation device or the error or warning is outputted to a host on the basis of the total amount ... 05/18/06 - 20060104650 - Image forming apparatus and image forming method An image forming apparatus includes a toner bottle that contains toner, a supply unit that supplies toner from the toner bottle to a downstream side, a door that is openably provided on the image forming apparatus in order to execute toner replenishment (replacement of the toner bottle), opening/closing sensing means ... 05/11/06 - 20060098995 - Device and method for measuring quantity of residual toner, image forming apparatus having such a device An apparatus and method are disclosed for measuring the quantity of residual toner contained in a toner cartridge, and an image forming apparatus having such a device. The inventive device for measuring the quantity of residual toner comprises a controller and a residual toner data memory. The controller selects one ... 05/04/06 - 20060093385 - Image-forming device and cartridge An image-forming device has a developer-accommodating section and a residual toner detecting unit. The developer-accommodating section accommodates a developer. The developer-accommodating section defines a plurality of detection light transmitting points through which a detection light is transmitted to detect an amount of developer accommodated in the developer-accommodating section. The residual ... 05/04/06 - 20060093384 - Imaging cartridge status indicator An imaging cartridge includes a housing having a reservoir for holding a supply of imaging material. The housing can be inserted into an imaging device and includes an indicator window. A status indicator contained within the housing is configured to be made visible through the indicator window following a triggering ... 04/20/06 - 20060083523 - Apparatus and method for automatically adjusting toner density in a color printer An apparatus and method for automatically adjusting toner density in a color printer,. The apparatus includes a toner quantity adjusting module for reading remaining toner quantities from a plurality of cartridges, respectively, comparing a lowest level of the remaining toner quantities with a reference remaining quantity range to determine whether ... 03/30/06 - 20060067718 - Image forming apparatus and method of detecting amount of residual developer An image forming apparatus having a developer container containing a developer and a developer carrying member for carrying the developer and adapted to switch an AC voltage to be applied to the developer carrying member, the apparatus comprising a detecting member for detecting the amount of developer in the developer ... 03/16/06 - 20060056865 - Developing device, process cartridge and image forming apparatus In accordance with the present invention, a transparent or semitransparent window is formed in a developing device or a process cartridge to allow one to see the inside of the developing device via the window from the outside. The window may preferably be formed in the top wall of the ... 03/16/06 - 20060056864 - Image forming apparatus and image control method An image forming apparatus 100 includes detection means 116 which detects an image characteristic of an image formed on an image bearing member 103; a first control means which controls a toner concentration in the developer, based on a detection result by the detection means, of an image characteristic of ... 03/16/06 - 20060056863 - Developing apparatus, developing method, and developing agent therefor A developing apparatus is provided in which a replenishment developer when replenished has been electrified to a sufficient extent and can immediately produce an effect of replenishment, with a small consumption of a carrier. In an developing apparatus 100 of the present invention, by means of a first and a ... 03/09/06 - 20060051110 - Image recording apparatus This invention aims to provide an image recording apparatus capable of preventing deterioration in remaining toner detection accuracy and further to prevent toner from getting damages. To achieve the above described objects, the image recording apparatus according to this invention comprises a developer supplying mechanism for supplying the developer from ... 02/23/06 - 20060039709 - Printing device and printing program There is provided a printing device capable of detecting a toner concentration in the developing unit from outside, and according to the detection result, capable of detecting reduction in the usable amount of toner stepwise and issuing an warning. In a printing device 100 of the present invention, the print ... 02/16/06 - 20060034628 - Image forming apparatus An image forming apparatus in which a memory has a first storage area for storing information related to image formation as predetermined unit data and a second storage area for storing the information as bit-unit data. A printer control unit, which controls writing/reading of the information related to image formation ... 02/09/06 - 20060029406 - Image forming apparatus, content measurement method, and method of controlling rotation of rotating member in image forming apparatus An image forming apparatus includes a communication section that wirelessly communicates with an RFID tag on a toner supply container. Based on a state of communication between the RFID tag and the communication section, an amount of toner in the toner supply container is measured, or a rotational angle of ... 02/09/06 - 20060029405 - Image forming apparatus and treatment thereof An image forming apparatus includes a toner forced discharge treatment for executing a toner discharge mode in which toner inside a developing device is forcedly consumed, and a toner discharge judgment treatment capable of judging necessity of execution of the toner discharge mode based on a decision as to whether ... 02/09/06 - 20060029404 - Image forming apparatus and developing unit An electrophotographic image forming apparatus includes a developing device including a developer reservoir for accommodating a mixed developer. The mixed developer includes a plurality of types of toner having a generally identical hue and different reflection densities. The apparatus also includes a replenishment device having a plurality of toner containers ... 02/09/06 - 20060029403 - Image forming apparatus and developing apparatus An electrophotographic image forming apparatus includes a developer reservoir for accommodating a single-component mixed developer including two types of toner having a generally identical hue and different reflection densities. A magnetic substance is added to one of the two types of toner. The apparatus also includes a detector for detecting ... 01/26/06 - 20060018673 - Image forming apparatus and a method thereof for supplying toner An image forming apparatus and method including a developing cartridge mounted in a main body of the image forming apparatus to receive a developer with a certain space occupancy of the developer with respect to an inner capacity thereof; a developer supply part connected to the developing cartridge to supply ... 01/12/06 - 20060008281 - Method and apparatus for image forming effectively detecting deterioration of developer A developer container includes a developer container configured to contain a developer including a toner and a carrier, a developer delivering mechanism configured to deliver the developer toward an image bearing member of an image forming apparatus, and a detecting mechanism configured to detect deterioration of the developer based on ... 01/05/06 - 20060002725 - Developer cartridge and image forming apparatus A developer cartridge includes: a casing that stores a developer and is provided with a window hole; a stopper nail provided the window holes; and a window member having a transmission portion that transmits light passing through the window hole, and a stopped portion in which the stopper nail is ... 01/05/06 - 20060002724 - Method and apparatus for image forming capable of effectively detecting toner density An image forming apparatus includes an image forming mechanism and a control device. The image forming mechanism performs an image forming operation under predetermined image forming conditions, and includes an image carrying member for forming an electrostatic latent image thereon, a development device for developing the electrostatic latent image into ... 01/05/06 - 20060002723 - Image forming apparatus X≦(45×Y×VD)/(M×Vp). ... 01/05/06 - 20060002722 - System and method for detecting a life time of a developer A device for detecting a life of a developer that is used in an image forming apparatus includes a sensor that detects a toner density of the developer and provides an output. The device also includes a control unit, coupled to the sensor, that is configured to determine a toner ... 12/29/05 - 20050286917 - Inline purge capability (purge while run) to improve system productivity during low area coverage runs A method controlling toner age in a developer housing including: recording a latent image in a predefined image frame on an imaging surface; and generating a purge patch in an unused portion of the predefined image frame. Other features include generating an inline purge signal to initiate generating of the ... 12/22/05 - 20050281568 - Image forming apparatus, image forming method and image forming program A multicolor image forming apparatus is provided which is capable of suppressing rotational vibrations caused by a rotary unit thereby to carry out the formation of images of excellent quality even if the amount of remaining toner in the rotary unit changes. In the multicolor image forming apparatus (10), accelerations, ... 12/15/05 - 20050276619 - Image forming apparatus and image forming method In a case where there are developers belonging to Life Rank 1 representing a service life substantially as long as that of a fresh developer (Step S501), and the developers includes one which is ready to print (Step S502), it is determined that image formation can be performed without performing ... 12/01/05 - 20050265738 - Image forming apparatus and method of controlling same When it has been estimated that there is substantially no toner remaining in a toner supply unit based upon the amount of toner that has been supplied from the toner supply unit, a supply roller for supplying toner from the toner supply unit to a developing unit is rotated by ... 11/03/05 - 20050244173 - Toner residual amount detection apparatus In order to prevent a toner residual amount from being erroneously judged as “toner present” after the toner residual amount has been judged to be insufficient, the toner residual amount detection apparatus of the present invention has a developing device for developing an electrostatic image formed on an image bearing ... 11/03/05 - 20050244172 - Method for calculating toner age and a method for calculating carrier age for use in print engine diagnostics The present invention generally relates to a digital imaging system or a light lens based imaging system. More specifically, the present invention provides an improved method and apparatus for calculating toner age and, additionally, carrier age using a toner concentration sensor and the amount of material dispensed. Both of these ... 10/27/05 - 20050238369 - Toner level detection method and image forming apparatus employing such toner level detection method Forced supply of toner(s) from toner hopper(s) to developer storage container(s) is executed while interrupting and/or prohibiting image forming operation(s) so as to prevent consumption of toner(s), toner level(s) within toner hopper(s) being determined to be low and low toner level condition(s) being reported to user(s) when temporal change(s) in ... 10/20/05 - 20050232647 - Electric device having charging function For charging in a non-contact manner, a mobile work robot is placed on a charging unit provided with a unit-side terminal providing an energy for charging. The mobile work robot receives an energy for charging the battery from the unit-side terminal via a robot-side terminal. For the charging, the mobile ... 10/20/05 - 20050232646 - Image formation device, development unit, and computer system Accurate communication with a developing unit etc. having an element is to be achieved. An image forming apparatus is provided with: a moving body provided with a plurality of attach/detach sections, wherein a developing unit is attachable to and detachable from each of the attach/detach sections, and the developing unit ... 10/13/05 - 20050226642 - Estimation of marking material usage Systems, methods, computer-readable media, and other embodiments are described for a system that estimates usage of a marking material in a print cartridge. One example system can include a coverage logic configured to determine a coverage value which is an average amount of marking material that covers a printed page ... 10/06/05 - 20050220464 - Image forming apparatus and seal retractor An electrophotographic image forming apparatus for forming an image on a recording material, to which a cartridge is detachably mountable, includes a) a cartridge including, a developer accommodating portion for accommodating a developer for developing an electrostatic latent image formed on an electrophotographic photosensitive member, a developing roller for developing ... 10/06/05 - 20050220463 - Image forming apparatus Provided is an image forming apparatus equipped with a developing apparatus using a developer containing toner and carrier, in which, by taking into account a change in the toner density of a replenishment agent, the supply of replenishment agent to the developing apparatus is effected with high accuracy, thereby forming ... 09/29/05 - 20050214001 - Developing apparatus 0.01≦(A−B)/A≦0.10. ... 09/29/05 - 20050214000 - Image forming apparatus and management system An image forming apparatus includes a developing device for developing an electrostatic latent image, formed on an image-bearing member, with toner; a developer supply container which contains developer containing toner and a carrier and is detachably mountable to a main assembly of the image forming apparatus; developer supply means for ... 09/29/05 - 20050213999 - Image forming apparatus image which develops the image density control electrostatic image formed on the image bearing member by the developing apparatus, wherein, in case the detection result by an environment detection portion is changed by a predetermined value or the replenishment developer is renewed, the process advances to a mode of performing ... 09/22/05 - 20050207765 - Image forming apparatus An image forming apparatus includes a developing device for developing an electrostatic image formed on an image bearing member with developer including toner and carrier, a density sensor for detecting a density of the toner, a control unit for controlling the amount of toner to be supplied to the developing ... 09/22/05 - 20050207764 - Toner supplying method for image forming apparatus When shortage of a toner residual quantity is detected during printing, toner redetection is performed immediately after completion of printing. This toner redetection is carried out by stopping supply of a high-voltage power to, e.g., a transfer charger and supply of a power to a motor such as a paper ... 09/15/05 - 20050201766 - Image forming apparatus and control method for the image forming apparatus An image forming apparatus, including: an image bearing member on a surface of which an electrostatic latent image is formed; a developing device which contains a developer and which has a rotatable developer carrying member, which abuts against the surface of the image bearing member, and a storage device storing ... 09/08/05 - 20050196185 - Image forming apparatus, developing unit and storage medium An image forming apparatus including a first unit having a developer container holding developer containing toner and carrier, and a developer holder to hold and transfer the developer held in the developer container, a second unit to supply toner to the developer container, and a processing unit to determine the ... 09/08/05 - 20050196184 - Developing device A toner container (101) is detachably attached to a developing device (104). A toner (120) stored in the toner container (101) is supplied through a supply opening (104a) to a hopper (105) of the developing device (104). A movable shutter (123) is provided below the supply opening (104a). The shutter ... 09/01/05 - 20050191067 - Image forming apparatus An image forming apparatus of the present invention includes a toner content controller configured to set the target value of a toner content sensor for determining, after a developing unit has been driven for a preselected period of time since the detection of the replacement of a toner cartridge, that ... 08/25/05 - 20050185973 - Image forming apparatus, control method and toner consumption calculating apparatus and method When the remaining toner amount within a developer is relatively large, a control target value of a toner amount is set to Ttgt1 and a lower limit value of a toner amount which can regarded proper is set to TL1. When the density of a patch image formed under a ... 08/04/05 - 20050169648 - Image forming apparatus, a toner counter and a calculation method of toner consumption Based on a video signal, a toner dot counter and an off dot counter detect a size of a toner dot portion to carry an adherent toner thereto and a size of an off dot portion not to carry an adherent toner, respectively. Reference is made to a look-up table ... 07/14/05 - 20050152707 - Image forming apparatus and process cartridge An image forming apparatus includes an image carrier; an exposing unit that exposes the image carrier to light to form an electrostatic latent image on the image carrier; a developing unit that has at least a toner, and develops the electrostatic latent image formed on the image carrier as a ... 07/07/05 - 20050147422 - Device and method to calculate a consumed amount of toner An image-forming apparatus including a valid signal generator to input print data and a video clock to synchronize the print data, and generate binary image data, a pixel counter to calculate the number of pixels of the print data based on the binary image data, a data stream counter to ... 06/30/05 - 20050141905 - Image forming apparatus, a toner counter and a calculation method of toner consumption The content of processing of an input image signal varies depending upon the conditions of an apparatus. In view of the fact that this results in the variations of correlation between tone data and toner consumption, a coefficient by which an integration value of the tone data is defined according ... 06/30/05 - 20050141904 - Method and apparatus for selecting image forming apparatus having enough toner An image forming apparatus network system, which connects two or more image forming apparatuses on a network, that includes image forming apparatuses which receive image data of the object to be printed, have image creating engines for two or more colors, and have a linked interface that enables intercommunication with ... 06/23/05 - 20050135819 - Apparatus to measure an amount of toner consumed and method thereof A toner consumption measuring apparatus having an effective signal generating unit to receive inputs of printing data and a video clock signal ‘VCLK’ to synchronize the printing data, and generating a count effective signal; a counting unit to count the generated count effective signal and to calculate a number of ... 06/16/05 - 20050129420 - Image forming apparatus and toner replenishing method A printer control CPU of the image forming apparatus controls the normal toner replenishing rotation after rotating a toner bottle in the normal rotating direction by about ¾ turn and then immediately in the direction reverse to the normal rotating direction by about ¾ turn. These operations are performed twice ... 06/16/05 - 20050129419 - Method and apparatus for estimating the volume of toner consumption in consideration of overlapping areas Provided is a method and apparatus for accurately estimating the volume of toner consumption of a laser printer by subtracting the volume of toner consumption corresponding to overlapping areas between adjacent bits of video data sequentially input by the bit from an average volume of toner consumption per bit. The ... 06/16/05 - 20050129418 - Image forming apparatus and toner supply method A revolver type color developing device having a yellow, a magenta and a cyan developing units and a black developing device in a color copier are provided at positions outside the upper area of the image carrier. The vertical conveying path passes through the position outside the lower area of ... 06/16/05 - 20050129417 - Image forming device and image forming method An image forming device includes a developer container sectioned into a plurality of chambers, an image forming unit which forms an image by using a developer supplied from the developer container, sensors which are respectively provided in at least two of the chambers of the developer container and detect the ... 06/09/05 - 20050123311 - Image forming apparatus and method for sensing remaining amount of developer An image forming apparatus and method are disclosed. The image forming apparatus comprises a photosensitive medium being formed an electrostatic latent image thereon; a developing roller developing a developer to the photosensitive drum being formed an electrostatic latent image; and a remnant developer sensing device sensing an electrical value between ... 06/09/05 - 20050123310 - Image formation device and recording agent cartridge attached thereto Toner cartridges 32C, 32M, 32Y, and 32K have storage elements 33C, 33M, 33Y, and 33K mounted thereon to transmit information carried on electromagnetic wave in a predetermined frequency band. An information receiver transmitter unit 30 is located in a neighborhood of an end of a developer unit 23 with the ... 06/02/05 - 20050117922 - Image forming apparatus and developing-agent amount detecting method, cartridge, and storage medium An image forming apparatus having a first operating mode and a second operating mode, where the second operating mode has an image forming velocity different from that in the first operating mode. The image forming apparatus includes a developing-agent containing portion, which contains a developing agent, an optical developing-agent amount ... 06/02/05 - 20050117921 - Remaining toner detection apparatus and image forming apparatus provided with same A pair of indentations is formed with a vertical spacing on a side wall of a toner cartridge, respective translucent windows are arranged on opposing upper and lower surfaces of the indentations protruding into the toner cartridge, and a light-emitting element and a light-receiving element of a remaining toner sensor ... 06/02/05 - 20050117920 - Image forming apparatus An image forming apparatus includes an image bearing member; a developing device including a carrying member for carrying a developer and for developing an electrostatic image formed on the image bearing member with a developer, a developer supplying means, contacted to the carrying member, for supplying the developer to the ... 06/02/05 - 20050117919 - Image forming apparatus An image-forming apparatus includes a mechanism that controls the replenishment amount of toner to a predetermined value. A toner cartridge holds toner therein. The toner cartridge is detachably attached to a process cartridge. The process cartridge has a toner reservoir that holds the toner supplied from the toner cartridge, a ... ### FreshPatents.com Support |