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| Number | Title | Issue Date |
| 7357387 | Sheet feed device for feeding cut sheets while interposing shortened interval between successive fed two sheets A sheet is firstly fed only by a sheet feed roller and then relayed to a transportation roller. When the transportation roller starts conveying the sheet, a motor coupled to the sheet feed roller is deenergized so that the sheet feed roller is not rotated by the pow... | 04/15/2008 |
| 7230731 | Image formation apparatus and method with password acquisition In an image formation apparatus that prints out print data to a sheet, a print data storage unit stores the print data, a printing unit conducts print processing to the print data stored in the print data storage unit, a password acquisition unit acquires a password... | 06/12/2007 |
| 7165902 | Printer and printer control method A printer and control method to control the operation of a printer to assure consistent print quality regardless of the paper length. A paper transportation control unit 101 and ASF control unit 103 drive a paper feed roller 78 and main paper tr... | 01/23/2007 |
| 6964530 | Self-correcting printing system A system and method are provided for correcting a hang condition caused by an unanticipated exception during a printing process. The method may include providing a set of predetermined rules according to which the print process modules interact to control the printi... | 11/15/2005 |
| 6959155 | System and method for judging paper-jam conditions of an image forming apparatus A system and method for judging a paper jam condition in a device, such as an image forming apparatus, including the steps of checking a feed sensor unit, operating a timer, and if it is judged that the feed sensor unit is switched to an “ON” state, calculating ... | 10/25/2005 |
| 6421581 | Printer with improved page feed Feeding a plurality of successive sheets of a recording medium by calculating an expected time for a page end detection of a current sheet, and feeding a next sheet of the successive sheets in accordance with the calculated time, but prior to detection of... | 07/16/2002 |
| 6378863 | Method and configuration for controlling the passage of printed media A method and a configuration for controlling the passage of printed media, especially letters or envelopes, in a separating apparatus of a mail processing system, include transferring the printed media, on the output side, with an ejector to a following d... | 04/30/2002 |
| 6381441 | Method for controlling paper feeding of a liquid electrophotographic color printing device A paper feeding control method for compensating the rotational speed of a paper feeding roller by varying the rotational speed appropriately according to the paper feed delay when detecting the presence of the paper feed delay on a paper feeding path of a... | 04/30/2002 |
| 6144814 | Method for automatically complying with a page stop specification in a printing device A method and apparatus are disclosed for automatically calibrating media feed timing operations for both internal media handling and for media transfers between coupled feeder and receiving devices. Each of the devices is equipped with a microprocessor an... | 11/07/2000 |
| 5931454 | Recycle document feeder A recycle document feeder according to the present invention includes a cover (251) covering a document discharge portion (30). The cover (251) is openably supported by a pivot shaft (256) between a pair of frames (255). A feed-back path (32) for guiding ... | 08/03/1999 |
| 5634635 | Automatic document feeder An automatic document feeder for feeding and discharging a document or documents to and from a document handling device such as a copying machine includes a document supply unit having a separation roller and register rollers, positioning unit and dischar... | 06/03/1997 |
| 5612776 | Recording apparatus and method with sheet feed control that controls loop When a recording medium fed from a sheet feed drive mechanism is detected at a predetermined position, the counting of a loop feed time or the like variably set in accordance with a predetermined sheet feed condition such as the sheet type or particular s... | 03/18/1997 |
| 5580046 | Selective ejection of sensed paper jams in single sheet paper processing equipment Paper processing equipment such as a laser printer uses a plurality of sensors to detect the presence of paper in the paper path of the equipment. In order to provide an appropriate response to different types of malfunctions, a determination of the type ... | 12/03/1996 |
| 5488463 | Image forming apparatus to form images onto a sheet a plurality of times An apparatus for forming an image onto a transfer sheet a plurality of times includes an image forming unit for forming an image onto a sheet which is conveyed; first and second conveying units for conveying the sheet from the image forming unit to the im... | 01/30/1996 |
| 5232210 | Document feeding method for a recycling automatic document feeder An automatic document feeding method for a recycling automatic document feeder (RADF) for use with a copier or similar image recording apparatus. The last document to be returned and the document immediately preceding it are discharged in succession. The ... | 08/03/1993 |
| 5183240 | Automatic document feeder A sensor (SEN6a) is provided for detecting a presence of a document sheet at a specified position during a transit path of document sheets supplied. According to detection output from this sensor (SEN6a), a continuous presence time of a document sheet is ... | 02/02/1993 |
| 5118089 | Automatic document feeding apparatus An automatic document feeding apparatus wherein a plurality of sheet-like documents are fed sheet by sheet to an image exposure portion, and discharge the documents by discharge device after exposed by an optical device. Before completion of the exposure ... | 06/02/1992 |
| 4159824 | Method for reversing the direction of travel of a sheet A method for changing the direction of travel of a sheet includes the steps of providing a pocket, guiding a sheet traveling in a first direction into the pocket, and providing a fluid stream in the pocket to bias the sheet in a substantially opposite dir... | 07/03/1979 |
| 4072306 | Sheet feed apparatus Disclosed is a sheet feed apparatus suitable for feeding an original into a copying machine at an intake position and through the machine past an exposure station, the apparatus comprising a rotary support having a surface for supporting the original, mea... | 02/07/1978 |
