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| Number | Title | Issue Date |
| 7391980 | Image forming apparatus includes a fixation device control based on a sheet-type when a jam occurs An image forming apparatus of the present invention includes an image formation portion for forming a toner image on a sheet, and a fixation device for fixing the toner image formed by the image formation portion on the sheet. When a sheet jam occurs, it is controll... | 06/24/2008 |
| 7292795 | Image forming apparatus with carbon based fixing material An image forming apparatus has a fixing unit for fixing a toner image formed on a recording material, and a heater, for heating the fixing unit, made of a carbon-based material. In order to detect and expect the life of the heating unit with good accuracy, the image... | 11/06/2007 |
| 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 |
| 7215921 | Image forming apparatus An image forming apparatus, such as a printer, having a frame member, wherein there is provided, inside the frame member and on the upstream side of a sheet discharging portion with respect to the sheet conveying direction, a buffering device equipped with a rotary ... | 05/08/2007 |
| 7199891 | Image processing method and apparatus, printing method and apparatus, image printing system and method and recording medium In equipments interconnected over an interface pursuant to the IEEE 1394 standard, the information indicating the detailed printing state is transmitted/received to prompt the user to take proper measures. An image printing system, proposed to this end, includes an ... | 04/03/2007 |
| 7092646 | Printing device and method for locating a media jam A printing device is provided that includes a housing having a media path therethrough. The printing device includes at least one sensor for detecting when a media jam occurs in the media path. At least one indicator is operatively associated with a processor to pro... | 08/15/2006 |
| 7018120 | Printing method of printer apparatus At the detection of an occurrence of a sheet feeder jam, in a case where media in the course of being printed on one face exist, printing this one face is continued, and this medium is inserted into the duplex printing unit. After this, relief of the sheet feeder ja... | 03/28/2006 |
| 6973274 | Image processing apparatus, image processing method, job processing method, program, and storage medium Page numbers on original document volumes that have been read are deleted from the read image information as a part of image processing, and page information sorted with the original document pages of multiple read original document volumes as a single document is s... | 12/06/2005 |
| 6950622 | Manual paper feeding apparatus A manual paper feeding apparatus comprises a tray for manual paper feeding, a paper feed roller to feed the paper fed manually from the tray, a separation roller which is pressed to contact the paper feed roller, rotated at the pressed contact position in the direct... | 09/27/2005 |
| 6876820 | Image forming apparatus A plurality of photosensitive drums are disposed in a sheet transport direction so as to be in contact with a transfer belt and a transfer voltage for transferring toner images on the photosensitive drums onto a sheet transported by the transfer belt is applied ther... | 04/05/2005 |
| 6792242 | Manual paper feeding apparatus A manual paper feeding apparatus comprises a tray for manual paper feeding, a paper feed roller to feed the paper fed manually from the tray, a separation roller which is pressed to contact the paper feed roller, rotated at the pressed contact position in the direct... | 09/14/2004 |
| 6430377 | Image forming apparatus and method with sheet removal after jam detection When a jam process is completed and a copying operation is restarted, a main CPU determines whether the copying operation which is presently set relates to copying of plural copy sets. If it is determined that the copying of plural copy sets is to be perf... | 08/06/2002 |
| 6240273 | Image forming apparatus for ejecting a sheet formed with an image to any of a plurality of loading units An image forming device inputs data and has a mechanism for ejecting a sheet on which an image is formed to one of a first loading unit or a second loading unit, wherein if the load quantity of the first loading unit reaches a predetermined load quantity ... | 05/29/2001 |
| 6085049 | Copying apparatus capable of automatically turning off at a predetermined time A copying apparatus having a function for automatically turning off the power at a predetermined timing. The copying apparatus determines at the predetermined timing whether or not the apparatus is in an operation interrupt state in which a sheet remains ... | 07/04/2000 |
| 5933677 | Method for processing paper jam error in image forming apparatus A method for processing a paper jam error in an image forming apparatus for performing successive image forming operations on successive sheets of paper using an electrophotographic developing process. The method includes determining when a paper jam occu... | 08/03/1999 |
| 5897237 | Power transmission mechanism for a sheet supply apparatus The present invention provides a sheet supply apparatus with a supply device for supplying a sheet, a drive motor for driving the supply device, a power transmission switching mechanism for permitting or inhibiting transmission of power from the drive mot... | 04/27/1999 |
| 5893657 | Image forming apparatus with sheet conveying apparatus that facilitates jam recovery An image forming apparatus for forming an image on a sheet has a first conveyance path for guiding the sheet, and a second conveyance path arranged in continuation from the first conveyance path to guide the sheet conveyed from the first conveyance path. ... | 04/13/1999 |
| 5815765 | Method of drawing out paper from laser printer when jam occur A method of removing a paper from a laser printer when a jam occurs includes the steps of starting printing after initialization of a laser printer system, and ascertaining if a jam occurs during the printing performance. The method also includes the step... | 09/29/1998 |
| 5761567 | Image forming apparatus with jam detection for permitting completion of a copy operation An image forming apparatus is provided with a document feeder for feeding a document to an image scanning portion for scanning an image of the document, a document jam detector for detecting a jam of the document in the document feeder, and a controller f... | 06/02/1998 |
| 5713060 | Image forming apparatus capable of discharging remaining sheets An image forming apparatus includes an image forming unit for forming an image on a sheet, a first conveying unit for conveying a sheet along a first conveying path toward the image forming unit, a second conveying unit for conveying a sheet along a secon... | 01/27/1998 |
| 5489968 | Copy sheet purge processing device The method of purging undesirable copy sheets from an image processing apparatus having a xerographic process for producing images on copy sheets, the apparatus including a plurality of copy sheet sources, a copy sheet drive, a purged copy sheet location,... | 02/06/1996 |
| 5459553 | Method for eliminating a paper jam in an image forming system A method for eliminating a paper jam from an image forming system is disclosed. The image forming system includes: an engine driving motor, register rollers for arranging paper received from a paper cassette, a register roller clutch for enabling and disa... | 10/17/1995 |
| 5440372 | Digital copier system In a digital copier system wherein a plurality of applications share a plurality of resources, a system controller executes exclusive control with duplex copy unit requests sent from a plurality of applications, thereby allowing only one application to us... | 08/08/1995 |
| 5276495 | Copying machine capable of discharging paper without forming image thereon A copying machine capable of correctly counting the number of printed copying papers, more specifically, capable of interrupting the counting task when some copying papers stored in the intermediate storage unit or marking papers for classifying printed c... | 01/04/1994 |
| 5270773 | Image producing device with security to prevent disclosure of sensitive documents An image producing device such as a copier or a printer includes sensors for determining the presence of output from a previous job in the paper path or a finishing device. A particular operator's access rights are determined through a login process. Depe... | 12/14/1993 |
| 5268728 | Image forming apparatus with intermediate tray If a being conveyed on which the image of a preceding document of a specific document is formed is jammed on the way including the post-processing device for post-processing while a new paper is fed from a paper feeder for the specific document and being ... | 12/07/1993 |
| 5257070 | Selective control of distributed drives to maintain interdocument gap during jam recovery purge A method of purging copy sheets after a machine malfunction from a copy sheet path having a plurality of zones including the steps of determining the existence of copy sheets in process in any of the copy sheet path zones, selectively activating a plurali... | 10/26/1993 |
| 5172162 | Apparatus for connecting an image recording device to a sheet processor An apparatus for connecting an image recording device having a sheet outlet opening with an external sheet processor having an inlet opening. The apparatus includes an intermediate transfer unit interposed between the image recording device and the extern... | 12/15/1992 |
| 5103267 | Image forming system for performing simplex and duplex recording An image forming system carries out a simplex recording operation for forming an image on one side of recording paper and discharge the paper onto a discharge tray, and a composite or duplex recording operation in which image-carrying recording paper is f... | 04/07/1992 |
| 5045881 | System for segregating purge sheets and continued printing In copying or printing, proper printed copy sheets generated from the printing operation may be selectably operator directed to various different copy sheet output compiling stations, such as a stacking tray or a finisher compiler. Those copy sheets desir... | 09/03/1991 |
| 5030991 | Jam detection and clearance system for duplex copiers An electronic copying machine according to the present invention has a copying unit for forming images on paper sheets and then discharging them, and a resupply unit for resupplying the same paper sheets to the copying unit, for other images to be formed ... | 07/09/1991 |
| 4970555 | Image forming apparatus An image forming apparatus includes an image forming section for forming an image on a sheet, a main convey mechanism for delivering the sheet to outside the image forming apparatus through the image forming section, and a reconvey mechanism for separatin... | 11/13/1990 |
| 4910552 | Automatic document feeder for electrophotographic copying machine with a drum for supporting a document An electrophotographic copying machine of a type having a drum for supporting a document to be copied therearound and being provided with an automatic document feeder adapted to carry out a preliminary copying operation for testing includes a timer for co... | 03/20/1990 |
| 4878087 | Image forming apparatus with jam removal mechanism An image forming apparatus having a primary passage extending from a feeding unit which stores sheets up to a discharge tray which receives sheets with images formed thereon through an image forming unit which forms images on the sheet, and a secondary pa... | 10/31/1989 |
| 4796055 | Recording apparatus incorporating manual paper feeder An recording apparatus of the present invention has a manual paper feed mechanism which includes a paper inlet, a timing roller and a paper outlet. When a paper is inserted into the paper inlet at a proper timing, the paper is recorded images thereon and ... | 01/03/1989 |
| 4750020 | Sheet feeding apparatus A sheet feeding apparatus suitable for use in combination with an imaging system, such as a copier or printer, for feeding sheets of paper one by one to the imaging system is provided. The apparatus includes a predetermined path along which a sheet of pap... | 06/07/1988 |
| 4627711 | Machine shutdown control The present invention is the controlled shutdown of the preregistration, fuser, dedicated duplex tray, and machine exit zones of the copy sheet handling system of a machine. In particular, a control data base includes a packet phase describing the origin ... | 12/09/1986 |
| 4497569 | Copy processing system for a reproduction machine A xerographic type reproduction machine or copier having means to monitor movement of the copy sheet and control processing thereof as the copy sheet moves along the machine paper path. A series of copy sheet monitoring stations at discrete intervals alon... | 02/05/1985 |
| 4474454 | Paper monitoring device for a copying machine A control device for operation of a copying machine includes a timer capable of counting a predetermined unit of time and being activated upon completion of a copying operation. The copying machine can be stopped upon the elapse of the predetermined unit ... | 10/02/1984 |
| 4452525 | Document feed control during copy paper jams A copying apparatus has a document feeder designed to automatically feeding a document onto a document table. When, during the continuous copying operation, a copy jams occurs in the carrying path of the copy and the continuous copying operation is halted... | 06/05/1984 |
