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| Number | Title | Issue Date |
| 8139961 | Diagnostic method and system for modular printing systems Disclosed are methods and systems to diagnose modular printing systems having two or more interchangeable modules. In addition, methods and systems are provided to generate instructions for configuring the interchangeable modules within the printing system to produc... | 03/20/2012 |
| 8059976 | Image forming apparatus with sheet feeding retry function After the start of an image formation operation, feeding of a sheet on which an image is to be formed is started, and an image formed on an image carrier is transferred onto the fed sheet. On the other hand, after the start of the image formation operation, in a cas... | 11/15/2011 |
| 8023837 | Image forming apparatus capable of preventing a sheet jamming during detected abnormal situations The invention provides an image forming apparatus an image forming portion for forming an image on a sheet, a stack portion for stacking a sheet, a discharge portion for discharging the sheet, on which an image is formed by the image forming portion, to the stack po... | 09/20/2011 |
| 7860411 | Printing apparatus and printing processing method The presence/absence of a printing failure on a printed product is accurately detected to prevent a defective product from mixing in printed products to be delivered to a customer. In order to achieve this object, a printing processing method according to this inven... | 12/28/2010 |
| 7672600 | Image forming apparatus, subunit replacing method, and maintenance method of an image forming apparatus An image forming apparatus that includes: a movable unit that can move between a first position that is for when image formation is being performed and a second position that is retreated from the first position; a first display that is used when the movable unit is... | 03/02/2010 |
| 7596328 | Efficient sensing system An efficient sensing system. The efficient sensing system includes a first mechanism for sensing and a second mechanism for sensing. A third mechanism selectively polls the second mechanism upon receipt of a signal from the first mechanism. In a specific embodiment,... | 09/29/2009 |
| 7590362 | Image forming apparatus for communicating with sheet processing apparatus for executing post-process to sheet In an image forming system having an image forming apparatus which forms an image onto a sheet and a sheet processing apparatus which is connected to the image forming apparatus and executes a post-process to the sheet, an abnormality in communication between the im... | 09/15/2009 |
| 7567762 | Image forming apparatus capable of detecting paper skew An image forming apparatus comprises an image forming portion that forms a toner image on an image carrying body, a transfer portion that transfers the toner image formed on the image carrying body to a recording medium, a detector that detects at least one of a ske... | 07/28/2009 |
| 7536118 | Method for eliminating errors during operation of an electrographic printer or copier device, and electrographic printer or copier device and computer program A method is provided for controlling a printer or copier device by which errors, such as paper jams, can be cleared automatically. A controller commands a module having the error to clear the error automatically. The commands are sent to modules beginning at the out... | 05/19/2009 |
| 7421215 | Method and apparatus for detecting a media jam This invention relates to methods for determining if a media jam has been detected by a print engine, an input device, or an output device. ... | 09/02/2008 |
| 7412176 | Method of processing an error of an image forming apparatus A method of processing an error of an image forming apparatus judges an error occurrence of the image forming apparatus, and if the error occurs, it stops the operation of a conveyer unit. After the operation of the conveyer unit is stopped, the method cleans an ima... | 08/12/2008 |
| 7376364 | Image forming apparatus An image forming apparatus includes a sheet feeding cassette, transport rollers, a pick-up roller, a sheet detector, and a control section. The sheet feeding cassette stores sheets for developer images to be transferred thereonto at a secondary transfer position. Th... | 05/20/2008 |
| 7369786 | Sheet transporting apparatus and printing apparatus A sheet transporting apparatus includes: a heating roller and a pressure roller that heats and presses a toner image to fix the toner image onto the sheet; a pressure roller detection unit that detects a contact posture of the rollers; a sheet meander correction mec... | 05/06/2008 |
| 7359083 | Excluding unwanted pages in a printing system job A method operative to automatically exclude unwanted or wasteful portions of a printing system job includes steps for, describing an unwanted portion of the job, and locating instances of the described portion within the job. For example, blank pages are located wit... | 04/15/2008 |
| 7331573 | Sheet treating apparatus and image forming apparatus A sheet treating apparatus for treating a sheet having an image formed thereon is provided, which includes a pair of transport rollers for transporting the sheet upward, a sheet post-treating portion having an intermediate treatment tray, provided to execute post-tr... | 02/19/2008 |
| 7333232 | Image processing apparatus having a function to receive control programs transferred from external device An image processing apparatus avoids abnormal control on loads including an optional device and enables only program transfer when transfer of a control program from an external device is not normally proceeding. Through a communication interface, the control progra... | 02/19/2008 |
| 7330677 | Image-forming apparatus and method for controlling the same An image-forming apparatus configured to form an image on a paper medium is connected to a plurality of auxiliary apparatuses configured to carry out predetermined processes on the paper medium ejected from the image-forming apparatus. An electrical power control un... | 02/12/2008 |
| 7317467 | System for controlling printer cooling fan A control system for a cooling fan of a laser printer enables selection of fan speed based on the actual degree of usage of the printer. The system provides first and second sets of fan speeds where each set contains information corresponding to a plurality of fan s... | 01/08/2008 |
| 7289760 | Printing device with manual paper feeding function A printing device with a manual paper feeding function includes a manual paper feeding unit which feeds a plurality of papers, a size sensor which detects a paper size of a fed paper, a paper size error determining unit that determines a presence or an absence of a ... | 10/30/2007 |
| 7280771 | Media pass through mode for multi-engine system An integrated printing system is provided comprising a first image marking engine and a second image marking engine. The first and second image marking engines can be serially arranged with one another in a first operating mode. The first operating mode includes mar... | 10/09/2007 |
| 7275740 | Method and apparatus for feeding sheets A system, method and article for adjusting the time interval between feeding of successive sheets of media in a printer or copier. The method comprises initiating a first pick signal for a sheet of the media and identifying a feed time for the sheet of media, and id... | 10/02/2007 |
| 7267338 | Image processing apparatus An image processing apparatus ejects the sheet to witch image processing unit perform to an ejection tray or a staple stacker by a pair of ejection rollers and the like. A sheet path for guiding the sheet to the ejection rollers is opened and closed in conjunction w... | 09/11/2007 |
| 7252286 | Compact printer paper path manual access improvement with collapsible air ducts Increased manual access spaces are provided even within a more compact printer for the movement or removal of printer components such as paper path baffles to be moved for the removal of jammed sheets and/or other hand or tool insertions by printer users and/or repa... | 08/07/2007 |
| 7242895 | Image heating apparatus having a flexible sleeve An object of the present invention is to provide an image heating apparatus having a flexible sleeve of an excellent durability. To this end, an image heating apparatus according to the present invention includes: a flexible sleeve; a driving roller contacting an ex... | 07/10/2007 |
| 7226050 | Discharge sheet stacking apparatus and image forming apparatus provided with the same A sheet post-treating apparatus is provided with a discharged sheet stacking tray displaceably provided in a casing portion for stacking thereon sheets discharged from the casing portion, and a holding portion for holding the discharged sheet stacking tray in a firs... | 06/05/2007 |
| 7228079 | Method and apparatus for detecting a media jam This invention relates to methods for determining if a media jam has been detected by a print engine, an input device, or an output device. ... | 06/05/2007 |
| 7224920 | Sheet processing apparatus and control method thereof In a sheet processing apparatus, which is connected to an image forming apparatus, applies a predetermined process to a plurality of sheets that have undergone image formation as a unit, and has power storage means capable of storing electric power required to execu... | 05/29/2007 |
| 7218500 | High-voltage generator and accelerator using same In a high-voltage generator including a CW circuit (high-voltage circuit), where the CW circuit generates a high voltage through booster circuits that are provided for boosting an input voltage and connected to one another in multiple stages, a conductive shielding ... | 05/15/2007 |
| 7210887 | Bookbinding machine A bookbinding machine for processing inner books includes a transport system with a multiplicity of inner-book clamps continually movable in a closed continuous track. Each of the inner book clamps is articulated to a circulating roller chain and has a rear-edge sto... | 05/01/2007 |
| 7209872 | System for simulating the conveyance of a flexible medium A design support system is provided, which accurately simulates the behavior of a flexible medium in a convey path even if the flexible medium exhibits different flexural stiffness in different bending directions. In a design support system which supports the user t... | 04/24/2007 |
| 7193735 | Image forming apparatus, control method therefor, and storage medium This invention provides an environment in which, for example, even when the operation mode shifts to a specific one after a standby state for a predetermined time, a discharge tray corresponding to this operation mode functions to smoothly perform the next operation... | 03/20/2007 |
| 7190914 | Image heating apparatus having heater for externally heating fixing roller The image heating apparatus for heating a toner image formed on a recording material, includes a rotatable member; heating device for heating an outer peripheral surface of the rotatable member, the heating device including a heater for forming a heating nip portion... | 03/13/2007 |
| 7190917 | Image forming apparatus with divided output of DC high voltage source An output of a DC high voltage source is supplied as a bias to a heat fixing apparatus. An output of the DC high voltage source is divided by resistors, and a divided output is supplied as a DC bias to a charging apparatus. A feedback circuit generates a feedback si... | 03/13/2007 |
| 7175580 | Wear indicator for a roller A roller for a device for processing a filter material ribbon in the tobacco-processing industry. The roller comprises a roller core and a covering for the roller core. The roller has at least one wear indicator operatively arranged for indicating wear of the coveri... | 02/13/2007 |
| 7168872 | Printer paper spooler with error condition detector Disclosed is a printer paper spooler with error condition detector including a first slot structure and a second slot structure, a bobbin disposed between the first slot structure and the second slot structure, a light emitting diode, and a phototransistor that rece... | 01/30/2007 |
| 7167663 | Sheet feeding device and image forming apparatus A sheet feeding device for an image forming apparatus can perform various operations. These are, for example, an operation to start an image formation and an output process that inhibits opening and closing of a feeding route interlocked with opening and closing of ... | 01/23/2007 |
| 7164351 | Image forming device An image forming device is disclosed which includes a problem detection unit for detecting problem, and problem alert unit for alerting a user to the detection of a problem. Until an initially detected problem A has been resolved, the problem alert unit will not iss... | 01/16/2007 |
| 7165016 | Simulation apparatus, simulation method therefor, and program for implementing the simulation method A simulation apparatus which is capable of expressing a curling shape of a flexible medium such as a paper sheet in a simple manner, when evaluating functions of a conveying path. The behavior of a flexible medium conveyed in a conveying path is simulated. A display... | 01/16/2007 |
| 7162180 | Elastic roller The present invention provides an improved elastic material which is free of roller abrasion when used in development rollers and overcomes disadvantages of the conventional silicone rollers of deterioration in the abrasion resistance, an elastic roller employing su... | 01/09/2007 |
| 7151900 | Image formation device, image formation method, information processing device, and information processing method An image forming device and control method thereof. The image forming device includes a printer engine control unit capable of detecting failure in transport of a sheet on which image data of a page is to be printed, a printer controller controlling output of image ... | 12/19/2006 |
