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| Number | Title | Issue Date |
| 8184997 | Information processing apparatus, information processing method, and information processing system An information processing apparatus is configured to communicate with an image forming apparatus. The image forming apparatus includes a toner supply unit having a stationary toner container and a replaceable toner container. The information processing apparatus inc... | 05/22/2012 |
| 8180230 | Toner consumption calculation for printer with multiple interacting separations Systems and methods are described that facilitate calculating toner consumption by a printing device. A multi-dimensional transform is applied to electronic image data to map or correlate toner consumed in a non-interacting color separation to toner consumed in an i... | 05/15/2012 |
| 8170428 | Method for interchanging components in a printing apparatus A method may include the steps of providing a printing assembly that includes a plurality of printing modules that each include a specific toner color, wherein a first printing module is failing and at least one second printing module is functioning; determining a t... | 05/01/2012 |
| 8170429 | Printer operable in toner saving and non-saving modes In a printer, the image-forming unit performs an image-forming operation in one of a non-saving mode and a saving mode. An amount of the printing agent used in the saving mode is less than an amount of the printing agent used in the non-saving mode. The determining ... | 05/01/2012 |
| 8155539 | Image forming apparatus with electrostatic capacity detection An image forming apparatus includes a rotary for changing an attitude of a developing device to a first attitude in which developer in a developer accommodating chamber is feedable to a developer feeding member and to a second attitude in which the developer having ... | 04/10/2012 |
| 8155540 | Optimized limit gain compensation for dispense time accumulators of toner concentration control A method and system includes updating an accumulated dispense value from within a toner dispense actuation loop and adjusting the accumulated dispense value by receiving dispense values from at least one control loop element that operates asynchronously from the ton... | 04/10/2012 |
| 8150277 | Image forming apparatus with system for replenishing a plurality of toner cartridges There is provided an image forming apparatus that is capable of reducing work burdens imposed on a user in terms of toner cartridge replacement. When a cartridge detection sensor detects that at least one of toner cartridges is emptied, a specified amount of toner i... | 04/03/2012 |
| 8150276 | Image forming apparatus to adjust driving rate of a supply unit and controlling method of the same An image forming apparatus, a developing agent container and a controlling method of the same that improves a supply rate of developing agent from a developing agent container to a developing device that provides the developing agent to an image carrier. ... | 04/03/2012 |
| 8121498 | Image forming apparatus and developer supply method therefor An image forming method and apparatus, the apparatus including a latent image carrier configured to carry a latent image thereon, a developing unit disposed facing the latent image carrier to develop the latent image with developer, a developer container containing ... | 02/21/2012 |
| 8121499 | Image forming apparatus An image forming apparatus corrects a development contrast for normal image formation so as to satisfy the following relationships: VcontG2=VcontG1×VcontP2/VcontP1×α, and 0.9≦α≦1.1, ... | 02/21/2012 |
| 8116643 | Image forming apparatus, method of controlling image forming apparatus, program, and storage medium An image forming apparatus having a development unit which develops an electrostatic latent image formed on an image carrier to form a visible image, the apparatus has an input unit adapted to accept input of a print job; an analysis unit adapted to analyze contents... | 02/14/2012 |
| 8116641 | 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 am... | 02/14/2012 |
| 8116642 | Developer stirring unit, developing device and image forming apparatus A developer stirring unit, a developing device containing the developer stirring unit and an image forming apparatus comprising the developing device are supplied capable of correctly judging a remainder amount of developer in accommodating tank. In the developer st... | 02/14/2012 |
| 8112008 | Image forming apparatus An image forming apparatus, which has a plurality of image forming units, comprises a plurality of cartridges adapted to supply developer; a plurality of supply members adapted to supply developer to the image forming units from a plurality of the cartridges; a driv... | 02/07/2012 |
| 8107830 | Image forming apparatus and method of discarding developer An image forming apparatus includes a plurality of image forming units each having an image supporting member, a developer supporting member, and a cleaning member for cleaning developer on the image supporting member. The image forming apparatus further includes a ... | 01/31/2012 |
| 8107829 | Image forming apparatus with a developer circulation mechanism An image forming apparatus includes: at least one retaining member configured to temporarily retain remaining developer remaining on a photosensitive member; a belt arranged opposite to a plurality of photosensitive members; a cleaning device collecting developer on... | 01/31/2012 |
| 8099002 | Developing device of image forming apparatus using a toner and carrier mixture According to an embodiment of the invention, degradation of carrier in a case is detected from the number of rotations of a developing roller. A predetermined quantity of carrier is replenished every time the developing roller reaches a predetermined number of rotat... | 01/17/2012 |
| 8099001 | Developer cartridge and developer device for detecting the amount of developer in the developer cartridge A developer cartridge and developing device are provided. The developer cartridge is attachable to and detachable from a developing housing, the developing housing comprising a drive gear for transmitting a driving force to the developer cartridge. The developer car... | 01/17/2012 |
| 8090276 | Developing device and image forming apparatus A developing device includes a developing roller that carries a two-component developer from a developer container to an image carrier, a first screw carrying a developer, and a second screw carrying the developer in a direction opposite to a direction in which the ... | 01/03/2012 |
| 8086117 | Image forming apparatus and developer replenishing method A switching controller switches from a developer replenishment prohibition mode to a developer replenishment permission mode when the replenishment detection device detects that the developer containing section does not store a prescribed amount of the developer, an... | 12/27/2011 |
| 8081888 | Estimating amount of toner in an image forming device An image forming device includes a container accommodating toner, a light emitting unit emitting light to be transmitted through the container, a light receiving unit receiving the light transmitted through the container, an efficiency determining unit determining a... | 12/20/2011 |
| 8078068 | Toner yield analysis for monitor and replacement of consumables within a print system Systems and methods are described hereinto to provide a notification when a predetermined event occurs that is related to a consumable. A print engine outputs hard copies based on electronically received data. One or more toner cartridges that are utilized by the pr... | 12/13/2011 |
| 8073347 | Image forming apparatus An image forming apparatus includes an image holder, a latent image forming unit, and a developing unit, the developing unit including a developer holder that is disposed to face the image holder and holds developer. Also included is a developer container, replenish... | 12/06/2011 |
| 8068748 | Methods and systems for sensing an amount of material in a toner cartridge A method and system to sense an amount of material such as toner in a container held in a horizontal position within a machine, such as a printing machine. A level sensor senses an amount of material within a dispensing unit which causes the level sensor to issue a ... | 11/29/2011 |
| 8050576 | Management system, management device, management method and computer readable medium A management system includes: an image forming apparatus including a toner storage unit storing toner used in a developing unit, and a toner-transporting unit transporting the toner from the toner storage unit to the developing unit; and a management device connecte... | 11/01/2011 |
| 8036544 | Image forming apparatus and method of detecting amount of residual developer An image forming apparatus has 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 includes a detecting member for d... | 10/11/2011 |
| 8036543 | Developing apparatus, process cartridge and image forming apparatus A developing apparatus usable with an electrophotographic image forming apparatus, the apparatus including a developer accommodating container, a developer chamber including a developer carrying member carrying and feeding a developer supplied from the container to ... | 10/11/2011 |
| 8032038 | Developing device and image forming apparatus A developing device includes a storage portion for retaining developer; a light guide member for forming a plurality of optical paths passing through the storage unit to detect an amount of the developer in the storage portion; a plurality of window members formed i... | 10/04/2011 |
| 8027598 | Image forming method with renewal of toner residual amount 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 reques... | 09/27/2011 |
| 8019240 | Developing apparatus, process cartridge, and electrophotographic image forming apparatus A developing apparatus used in an electrophotographic image forming apparatus includes: a developing roller for developing a latent image formed on a photosensitive drum; a developing container for containing developer; a developer conveying member for supplying the... | 09/13/2011 |
| 8009997 | Toner replenishment determination device of an 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 dens... | 08/30/2011 |
| 8000617 | Image forming apparatus having toner containers of varying sizes An image forming apparatus including cyan (C), magenta (M), yellow (Y), and black (K) developing units using a C developer, a M developer, a Y developer, and a K developer, respectively; at least one auxiliary developing unit using a developer other than the C, M, Y... | 08/16/2011 |
| 7983577 | Image forming apparatus An image forming apparatus including an image bearing member; a developing device forming a toner image; a toner supplying device including a toner container, a toner feeding passage, a pump, in which a first member is moved while rubbing a second member to feed a d... | 07/19/2011 |
| 7983576 | Image forming apparatus having function to control developer exhausting amount and image forming method thereof An image forming apparatus to form image data on a printing medium, the apparatus includes a developing cartridge having a developer transfer body to transfer developer to an image receptor, a developer storing unit to separately store a transfer-regulated developer... | 07/19/2011 |
| 7978988 | Image forming apparatus An image forming apparatus, which has a plurality of image forming units, comprises a plurality of cartridges adapted to supply developer; a plurality of supply members adapted to supply developer to the image forming units from a plurality of the cartridges; a driv... | 07/12/2011 |
| 7978989 | Toner cartridge and image forming apparatus A toner cartridge counts the number of times the toner cartridge has been shaken by a counting unit. A control unit of an image forming apparatus acquires the counting result of the counting unit, and controls each unit of the apparatus such that a display unit disp... | 07/12/2011 |
| 7970295 | Document processing system and method for adjustable print consumable refill level Document processing systems and methods are presented in which a graphical user interface is used to set a user-selectable refill level for a print engine consumable, such as toner, replenisher, paper, etc. Once the user-selectable level has been reached, the user i... | 06/28/2011 |
| 7970296 | Image forming apparatus with developer amount determining unit having rotational period equal to integral multiple of image supporter rotational period An image forming unit includes an image supporter configured to be rotatable, and an amount detecting unit configured to rotate with a predetermined period to detect an amount of remaining developer. A rotation period of the amount detecting unit is an integral mult... | 06/28/2011 |
| 7965952 | Remaining amount of developer detection device, development device, process unit, and image forming apparatus A disclosed remaining amount of developer detection device includes a remaining amount of developer detection section detecting a remaining amount of developer in a development device, an operation amount computation section computing an operation amount of the deve... | 06/21/2011 |
| 7962053 | 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 develop... | 06/14/2011 |
