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7623801 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...
7613409 Image forming apparatus  
A delaying section for obtaining from an image processing section a printing rate of image data used for forming a toner image, and delaying in accordance with the obtained printing rate a start...
7606506 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...
7606505 Image forming method and apparatus capable of effectively performing charging operation  
An image forming apparatus includes image forming units, a toner supply device, a common-unit detection device, an initial operation execution device, and a determination device. Each image forming...
7603046 Image forming apparatus including toner supply controlling unit  
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...
7596329 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...
7593653 Optical sensor system with a dynamic threshold for monitoring toner transfer in an image forming device  
A method and device for monitoring toner transfer within an image forming device is described herein. A reflectivity sensor senses movement of a toner transfer gear operatively connected to a toner...
7590360 Method and apparatus for selecting image forming apparatus having enough toner  
An image forming apparatus network system having a first image forming apparatus connected with a plurality of second image forming apparatuses over a network, wherein the first image forming...
7577371 Image forming apparatus featuring correlation of toner concentration control and image parameter control  
An image forming apparatus includes a first controller for controlling a replenishing operation of a toner replenisher, based on concentration information relating to toner concentration in a...
7565085 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...
7561834 Developer dispense for enhanced stability in xerographic printing systems  
A two dispenser system is used to replenish developer and toner in an electrostatic marking system. This two dispenser system replenishes toner and developer in a more accurate way since each of...
7558494 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...
7555231 Capacitive toner level sensor and methods of use  
A capacitive sensor to detect toner volume levels in a toner container within an image forming device includes opposed electrodes disposed within the interior of the toner container. The opposed...
7555230 Image forming apparatus that generates a different light pattern for different development apparatuses  
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...
7548703 Image forming apparatus administration system with developer density detection and developer lifetime information communication features  
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...
7539425 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...
7536122 Toner supply device, image forming apparatus and toner supplying method  
A toner supply device which includes: a multiple number of toner bottles; and a toner supply assembly mounting mechanism having the toner bottles mounted thereon and feeding toner discharged from...
7536121 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...
7536120 Image forming apparatus with toner content detection and image density detection  
An image forming apparatus includes a first and second developing devices for developing an electrostatic images with different developers a toner content detecting device for detecting a toner...
7536119 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...
7536116 Image forming apparatus with a plurality of development devices  
An image forming apparatus includes a rotary unit that has a rotary shaft, and a plurality of development devices each of which has a constituent unit, the development devices provided around the...
7532833 Printing apparatus, printing system, and prediction method of usage of printing agent  
A printing apparatus, a printing system, and a prediction method of the usage of a printing agent can be configured to predict, prior to a processing for developing a printing image, the usage of a...
7532829 Image forming apparatus having adjustable communication with toner container  
An image forming apparatus includes: a main body; a toner container detachably mounted to the main body; a wireless tag provided on the toner container; and a communicator provided in the main body...
7532828 Image forming apparatus and developer remaining amount detecting method  
An image forming apparatus, which uses a developing device including: a developer carrying member; a developer containing portion; an agitating member agitating a developer; a developer amount...
7529492 Developing cartridge and image forming apparatus  
A developing cartridge is detachably attached to an electrophotograpy-type image forming apparatus which forms an image on a recording sheet by transferring toner onto the recording sheet. The...
7522851 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 ( 104 a ) to a hopper (...
7516318 Method of controlling an image forming apparatus  
A method of controlling an image forming apparatus having at least one consumption part. The method includes fetching specification information corresponding to the at least one consumption part,...
7515844 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...
7515839 Image forming apparatus with wireless communication function between toner cartridge and developing unit  
A toner-cartridge-side wireless communication device is attached to a bottom wall of a toner cartridge. A developing-unit-side wireless communication device is attached to an inner position of a...
7512348 Image forming apparatus with a toner replenishment feature  
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...
7512347 Image-forming device capable of determining information on a detachably mounted developer cartridge and developer cartridge for use therein  
When a new developer cartridge is initially mounted in an image-forming device, a toothed part of a sensor gear disposed in the cartridge is brought into meshing engagement with an agitator drive...
7509072 Image forming apparatus  
The present invention provides the image forming apparatus for successively performing information communication between an attaching part and the main body of the image forming apparatus. The...
7509064 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...
7509063 Adjustment mode control method and apparatus for performing the same  
An adjustment time reduction mode of reducing adjustment operation time is provided such that a user can set the adjustment time reduction mode in which a user arbitrarily reduces the adjustment...
7505700 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....
7505699 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...
7499666 Toner container, image forming apparatus, and method for identifying toner container  
A toner container installed in an image forming apparatus, the toner container including a toner container main body having a predetermined length and which accommodates toner, a mixer which stirs...
7499657 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...
7499656 Remaining amount of toner detecting apparatus, toner cartridge and image forming apparatus  
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...
7499655 Image forming method and image forming apparatus including decolorization counter and ordinary counter  
Image forming histories when decolorization toner is used by a first counter or a second counter and when ordinary toner is used are counted respectively, and image forming histories of a...
7496305 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...
7496301 Image forming device and cartridge with developer detection  
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...
7493057 Inline purge capability (purge while run) to improve system productivity during low area coverage runs  
An electrostatic printing machine having a plurality of color stations having a system for maintaining a preset toner age in each of the plurality of color stations, including: determining a toner...
7493054 Image formation device simulation apparatus  
An image formation device simulation apparatus performs a simulation of processing performed by an image formation device. The simulation apparatus includes: an image formation command acquisition...
7483657 Image forming apparatus featuring a controller for controlling rotation of a developer feeding screw in response to an angle of inclination of the 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...
7480468 Apparatus for detecting developer level in developing unit  
An apparatus to detect the remaining amount of developer in a developing unit is provided. The apparatus includes a light emitting prism and a light receiving prism placed opposite to each other in...
7478900 Toner remain amount detecting method, image forming apparatus and MFP  
A toner remain detecting method according to this invention including: detecting toner density; supplying a toner amount corresponding to predetermined toner density; detecting a toner remain...
7477854 Image forming apparatus and control method for image forming apparatus  
An image forming apparatus includes a cartridge loading portion removably loaded with a first cartridge containing therein a consumable but carrying no memory storing information on the consumable,...
7466932 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...
7463838 Marking material cartridge with automatic high yield function independent of host printing device  
A replaceable consumable for use in an associated printing device is provided wherein the consumable includes an electronic member having a memory element storing marking material quantity data...