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| Number | Title | Issue Date |
| 8170426 | Image forming system, image forming device and information processing device Provides is an image forming system, comprising an image forming device and an information processing device connected to the image forming device, further comprising a function-detecting unit detecting that a second function is added to the image forming device hav... | 05/01/2012 |
| 8131165 | Image forming apparatus and waste powder transporting method An image forming apparatus includes: an image forming section including first and second image forming parts each forming a toner image by using an image forming unit to be mounted, the first and the second image forming parts being inhibited from forming respective... | 03/06/2012 |
| 8116639 | Image forming apparatus for checking connection status of developing unit and method thereof An image forming apparatus is provided which includes a multiplexer (MUX) which is able to be connected to at least one developer supplier, at least one pull-up resistor which is connected in parallel to at least one connection line between the at least one develope... | 02/14/2012 |
| 8086116 | Image forming apparatus having photosensitive member mounted in process cartridge An image forming apparatus has: an image forming unit which is configured to scan a laser beam in a main scanning direction to expose a photosensitive member, and which forms an electrostatic latent image on the photosensitive member to form an image; a process cart... | 12/27/2011 |
| 8073346 | Image forming apparatus configured to use a cartridge including memory and a cartridge without memory According to an aspect of the invention, an image forming apparatus includes an image forming unit, a first detecting unit, a second detecting unit, a control unit. The image forming unit forms an image on a recording medium by using coloring materials of a pluralit... | 12/06/2011 |
| 8064783 | Image forming apparatus An image forming apparatus includes a toner cartridge supporting member which is movable between an insertion position and a draw-out position. An information storage device is provided on a toner cartridge that is mounted on the toner cartridge supporting member. A... | 11/22/2011 |
| 8050575 | Image forming apparatus and photosensitive cartridge An image forming apparatus includes a first developing cartridge and a first photosensitive cartridge. The first developing cartridge is removably mounted in the first photosensitive cartridge and includes a toner hopper, a supply roller and a developing roller. The... | 11/01/2011 |
| 7885555 | Image forming apparatus with multiple fixing unit attachment detection portions An image forming apparatus includes a main body and a fixing unit, as well as first and second fixing unit attachment detection portions, each of which includes an optical sensor. The fixing unit is detachably attached to the main body, and includes a unit-side conn... | 02/08/2011 |
| 7853159 | Method and apparatus for image forming capable of effectively performing color image position adjustment An image forming apparatus including a plurality of detachable image forming devices each configured to form a color image, an image carrying device configured to carry the color images sequentially overlaid into a single color image, an exchange detecting device co... | 12/14/2010 |
| 7848663 | Image forming apparatus configured to determine the position of an image carrier One embodiment of the present invention can include an image forming apparatus having an image carrier, a light emitting portion capable of emitting a light towards a predetermined position, a light receiving portion capable of detecting a light amount of incident l... | 12/07/2010 |
| 7817926 | Image forming apparatus and optional sheet feeding device An image forming apparatus includes: an image forming apparatus main body including an image forming unit that forms an image on a sheet, a detachable main body sheet feeding tray that holds the sheet and a sheet feeding unit that feeds the sheet from the main body ... | 10/19/2010 |
| 7809288 | Color image forming device utilizing toner sensors to detect withdrawal amount of drawer section In a color laser printer, four toner cartridges are juxtaposed in a straight line in a process unit. When the process unit is withdrawn from the laser printer to a position at which the toner cartridge nearest the front of the laser printer can be removed, an out-of... | 10/05/2010 |
| 7809289 | Image forming device An image forming device includes a device body, an image forming unit provided in the device body to form an image on a recording medium, a carrying unit detachably attached to the device body so as to carry a recording medium on a carrying route, a first detecting ... | 10/05/2010 |
| 7787783 | Image forming apparatus with temperature control An image forming apparatus with an image forming section which forms an toner image on a transported sheet; a fixing section which includes a heat source and fixes the toner image on the sheet; a coupling unit which electrically couples the image forming apparatus m... | 08/31/2010 |
| 7720396 | Toner cartridge having first protrusion that transmits sound by engaging second protrusion on image forming apparatus A toner cartridge comprises a toner cartridge main body which houses toner, a discharging opening which supplies the toner housed in the toner cartridge main body to an image forming apparatus, a shutter which opens the discharging opening when the toner cartridge m... | 05/18/2010 |
| 7689134 | Image forming apparatus having a unit for detecting a contact state with an image forming cartridge In the image forming apparatus, a developing bias in a developing unit is supplied from a drive electrode on the main body side of the apparatus to an electrode member as a DEV output. A detect electrode is also in contact with the electrode member from the apparatu... | 03/30/2010 |
| 7689135 | Image forming apparatus with a drive motor that can rotate a rotary developing unit An image forming apparatus, having: a rotary developing unit, to and from which a plurality of developing cartridges storing developers are attached and detached and which moves one of the attached developing cartridges to a developing position by being rotated arou... | 03/30/2010 |
| 7676163 | Image forming apparatus and image forming method In an image forming apparatus of the present invention, a developing unit for magenta contains magenta-type toner for pseudo full-color image forming whose chromaticity point is shifted closer to yellow hue on a chromaticity diagram, in comparison with genuine-magen... | 03/09/2010 |
| 7630652 | Image forming apparatus with enhanced maintainability An image forming apparatus at least includes: a component, detachable from the image forming apparatus, including a driven portion; first and second detectors configured to detect an installation of the component in the image forming apparatus and driving of the dri... | 12/08/2009 |
| 7627258 | Image forming apparatus and image forming method using initial toner An image forming apparatus includes an image forming apparatus main body; a development device that develops a latent image formed in an image retainer with toner; a toner cartridge that is detachably attached to the image forming apparatus main body and that contai... | 12/01/2009 |
| 7623799 | Image forming apparatus An image forming apparatus comprises: a rotary unit having a plurality of development devices provided around a rotary shaft, the development device including a constituent unit, wherein the plurality of the development devices move to a development position where t... | 11/24/2009 |
| 7590361 | Image forming apparatus and control method therefor An image forming apparatus includes a position detection circuit which detects the registration error amount between a recording medium conveyance unit and an image forming unit positioned by a positioning mechanism, on the basis of reading of a reference pattern ar... | 09/15/2009 |
| 7580645 | Detecting the presence of a photoconductor drum The presence of a photoconductor drum in a laser printer may be determined by making electrical measurements without directly sensing drum presence. In some embodiments, this may be done without using any added printer components. ... | 08/25/2009 |
| 7574150 | Power control apparatus and method of using a power control apparatus in an image forming device A method and apparatus to control power supplied to a paper transfer belt (PTB) unit and a laser scanning unit (LSU) included in an image forming device includes the PTB unit to transfer a developed latent image onto a printing medium, the LSU to scan light onto a p... | 08/11/2009 |
| 7570892 | Image forming apparatus and control method of that apparatus An image forming apparatus adapted for a smooth mounting/dismounting of a process unit and for the reduction of wasteful power consumption is provided. Unless a new image signal is applied after completion of an image forming operation, the apparatus starts a... | 08/04/2009 |
| 7570891 | Developing cartridge, image carrier cartridge, process cartridge, and image forming apparatus Several different apparatuses are provided that can be configured to detect whether a developing cartridge, an image carrier cartridge, and a process cartridge are installed in an image forming apparatus. A shielding member is configured to move between a blocking p... | 08/04/2009 |
| 7515838 | Developer collecting device and image forming apparatus having the same An electrophotographic image forming apparatus is provided with a developer collecting device which collects developer removed from an image bearing member and an intermediate transfer body by a cleaning section. The developer collecting device comprises a positioni... | 04/07/2009 |
| 7454147 | Printed circuit board and an image forming apparatus having the printed circuit board Disclosed is a printed circuit board comprising a contact terminal, which prevents a poor contact and reduces a manufacturing cost, and an image forming apparatus having the same. The printed circuit board comprises a circuit part for controlling and processing an o... | 11/18/2008 |
| 7444086 | Image forming apparatus including a print-request information inputting unit and image reading unit, and image forming method An image forming apparatus includes a print-request information inputting unit, an image reading unit, a plurality of image forming units, a plurality of sheet feeding units, a memory unit and a control unit wherein the control unit reading out, when print-request i... | 10/28/2008 |
| 7433608 | Image forming device with automatic power cutoff When a process cartridge is installed in a laser printer main body, a projecting rod, which is provided at a toner tank and which projects from a side surface of a housing of the cartridge, enters into a U-shaped positioning portion such that the cartridge is positi... | 10/07/2008 |
| 7433609 | Image forming apparatus with a plurality of image forming units An image forming apparatus includes two or more detachable components that are identical to each other and configured to perform at least part of a sequence of processes associated with forming of an image, a connection detection unit configured to detect attaching ... | 10/07/2008 |
| 7418214 | State detection mechanism A state detection mechanism includes a movable member, a spring member, a fringesection, and a stopper member. The spring member displaces the movable member arranged at the first predetermined position to a second predetermined position by applying restoration forc... | 08/26/2008 |
| 7412184 | User interface for image forming apparatus There is disclosed an image forming apparatus that has two operation panels—a standard operation panel and an optional operation panel. The image forming apparatus has a standard mode and a professional mode which provide different displays on the operation panels... | 08/12/2008 |
| 7406273 | Image forming apparatus into which replaceable units are detachably attached A replaceable unit that is removably coupled to a storage portion of a main body provided in an image forming apparatus, the replaceable unit having a first picture split provided on the replaceable unit that forms a finished picture with a second picture split prov... | 07/29/2008 |
| 7394998 | Image forming apparatus and developer cartridge A developer cartridge is configured to be detachably mounted in an apparatus main body and to accommodate developer. The developer cartridge includes a drive member and a display portion. The drive member is configured to be driven to move by a driving force when th... | 07/01/2008 |
| 7376363 | Method and apparatus for image forming capable of effectively performing color image position adjustment An image forming apparatus including a plurality of detachable image forming devices each for forming a color image, an image carrying device for carrying the color images sequentially overlaid into a single color image, an exchange detecting device for detecting an... | 05/20/2008 |
| 7376362 | Image forming apparatus to detect a new process cartridge An image forming apparatus used with a replaceable process cartridge mounted therein, including: a new article detecting unit which detects whether or not the mounted process cartridge is a new process cartridge; a detection storage unit which stores a number of tim... | 05/20/2008 |
| 7375834 | Method of configuring a printer and ink cartridge A method of configuring a printer is disclosed, wherein a set of printing parameters is stored in a control unit of the printer. The method includes the steps of storing the set of printing parameters, which is adapted to a specific functional component of the print... | 05/20/2008 |
| 7372479 | Apparatus and method for optical image formation control An image forming apparatus for forming images with an electrophotographic system. The image forming apparatus includes a laser drive unit configured to control a laser light, and an image data transfer control unit configured to control image data from to the laser ... | 05/13/2008 |
| 7369783 | Image forming apparatus, process cartridge, and development unit An image forming apparatus includes a plurality of developing devices, each of which stores a toner, a developing device installation section, in which the developing device is detachably installed, a color display unit that displays a toner color corresponding to t... | 05/06/2008 |
