Class / Patent application number | Description | Number of patent applications / Date published |
271900020 | Sheet feeding from one supply controls feeding from another supply | 22 |
20090174133 | IMAGE FORMING APPARATUS - An image forming apparatus capable of preventing simultaneous delivery of two sheets of paper when they are supplied from a paper supply device, thereby improving operational reliability of the paper supply device. The image forming apparatus includes a body incorporating a printing device, a first paper supply unit, in which first paper is loaded, a second paper supply unit, on which second paper is disposed, at least one feed roller to deliver the second paper disposed on the second paper supply unit, a pickup roller to pick up the first paper from the first paper supply unit, and a pickup pad, which is located at a first position to contact the pickup roller when the pickup roller picks up the first paper from the first paper supply unit, and which is located at a second position spaced apart from the pickup roller when the second paper disposed on the second paper supply unit is delivered by the feed roller. | 07-09-2009 |
20100025915 | CONTROL APPARATUS, CONTROL METHOD FOR CONTROL APPARATUS, AND STORAGE MEDIUM - A control method for a control apparatus includes obtaining an amount of a recording material applied on a first area of a sheet and an amount of a recording material applied on a second area of the sheet on the basis of image data recorded on the sheet stacked on a stacking unit; and performing control, in a case where a plurality of sheets are stacked on the stacking unit, so that a difference between a total amount of the recording material applied on the first area of the sheets and a total amount of the recording material applied on the second area of the sheets does not exceed a predetermined value on the basis of the obtained amount of the recording material. With this method, a limit of the number of stacked sheets is relieved while stability of the stacked sheets is maintained. | 02-04-2010 |
20130093135 | SLIDING TANDEM MEDIA FEEDER IN A PRINTER - In a tandem media supply, two vertical stacks of media sheets are stored. The first stack is positioned on a lift plate that rises as top sheets are removed from the stack of media. When the first stack is exhausted, the second stack is moved by an actuator towards a position where the lift plate was loaded with the first stack of media sheets. Movement of the second stack displaces a biased gate to decouple the lift plate from a drive member that elevated the lift plate. The lift plate drops under the effect of gravity to a position where the second stack of media sheets moves onto the lift plate. Once the second stack is on the lift plate, a biasing force returns the biased gate to a position that enables the drive member to elevate the lift plate. | 04-18-2013 |
20130256974 | PRINTING APPARATUS, METHOD FOR CONTROLLING PRINTING APPARATUS, PROGRAM, AND STORAGE MEDIUM - A printing apparatus performs printing with the use of sheets of paper set in any of a plurality of paper-feeding units. The print apparatus is controlled by a method including: determining whether the amount of sheets of paper remaining in a first paper-feeding unit has reached a predetermined amount; and if so switching from the first paper-feeding unit to a second paper-feeding unit. If it is determined that the amount of sheets of paper that remain in the first paper-feeding unit has reached the predetermined amount, control is performed so that the paper-feeding unit that is used for printing should be changed after the ejection of the last one of a plurality of sheets of paper that are included in one set thereof set in the first paper-feeding unit. | 10-03-2013 |
20140027969 | RECORDING DEVICE - To provide a recording device that can inhibit the occurrence of a recording media jam state in a shared passage part that is shared as a recording media shared path with a plurality of media supply paths, this is equipped with a plurality of conveyance paths for supplying paper, a shared passage part, a moving unit that moves the paper, a printing unit that performs printing on the paper, an insertion port that is able to insert paper in the conveyance path by paper being inserted, an opening and closing lid provided so that the insertion port can be opened and closed, a detection sensor for detecting an open lid state when the opening and closing lid opens the insertion port, and a movement control unit that, when the detection sensor detects the open lid state. | 01-30-2014 |
20140077439 | PRINT-MEDIUM STORING UNIT, PRINT-MEDIUM STORING APPARATUS AND IMAGE FORMING APPARATUS EMPLOYING THE SAME - A print-medium storing unit, a print-medium storing apparatus including the same, and an image forming apparatus including the same which are provided in a power transmission mechanism, print-medium storing apparatus which is installed on a discharge path of a print-medium in an image forming apparatus, includes a plurality of storing units which is arranged with multi-layers, and a controller which controls to drive a feeding unit of another storing unit arranged between the storing unit through which the print-medium is to be discharged and the image forming apparatus, by a driving source of the storing unit through which the print-medium is to be discharged. | 03-20-2014 |
20150021847 | IMAGE FORMING APPARATUS - The present invention provides an image forming apparatus that can facilitate a replacement of a sheet feeding portion. | 01-22-2015 |
20150145198 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a sheet feed section including a plurality of sheet feed cassettes, a designation receiving section configured to receive a designation of a sheet feed cassette for exclusive use from among the plurality of sheet feed cassettes; an exclusive use control section configured to put the sheet feed cassette the designation of which has been received by the designation receiving section into an exclusive use state and, when a predetermined condition is satisfied, switch the sheet feed cassette from the exclusive use state to a non-exclusive use state; and a sheet discharge control section. When the predetermined condition is satisfied, the sheet discharge control section allows the discharge of particular paper sheets remaining in the sheet feed cassette in the exclusive use state before the sheet feed cassette is switched from the exclusive use state to a non-exclusive use state. | 05-28-2015 |
20160031665 | PAPER FEED DEVICE AND IMAGE FORMING APPARATUS - A paper feed device includes a plurality of paper feed sections and a selection control section. Selection periods include a specific selection period during which at least two selection signals among a plurality of selection signals are not at a normal level. Non-selection periods include a first normal period, a second normal period, a preceding non-selection period, and a succeeding non-selection period. The preceding non-selection period is between the first normal period and the specific selection period. A specific selection signal among the at least two selection signals is switched from the normal level to a selection level during the preceding non-selection period. The succeeding non-selection period is between the specific selection period and the second normal period. The specific selection signal is switched from the selection level to the normal level during the succeeding non-selection period. | 02-04-2016 |
20160137438 | PAPER FEEDER AND IMAGE FORMING APPARATUS - A paper feeder includes: first and second accommodation units which are arranged side by side in a casing along a recording paper conveyance direction and in which recording paper is loaded in a specified accommodation orientation; and an erroneous loading detection unit which is provided in a non-loaded region between the first and second accommodation units, detects whether or not the recording paper is loaded, and detects recording paper accommodated in an orientation other than the specified accommodation orientation, wherein the paper feeder can shift a bundle of the recording paper loaded in the second accommodation unit to the first accommodation unit arranged on a downstream side of the recording paper conveyance direction. | 05-19-2016 |
271900030 | Responsive to empty supply | 10 |
20080258374 | PRINTING SYSTEM, CONTROL METHOD THEREOF, PROGRAM, AND STORAGE MEDIUM - An object of this invention is to process as many print jobs as possible even if requests to print various types of print jobs requiring various types of print media are simultaneously intensively accepted. Another object of this invention is to build a convenient, flexible printing environment where the productivity of one job is increased by shortening the time taken to end printing one print job after the start of printing. To accomplish them, a control unit ( | 10-23-2008 |
20090045565 | Paper Change Detection Method - A method of detecting a media change includes the steps of comparing a previous media condition to a current media condition, detecting a media change when the previous media condition is in one state and the current media condition is not said one state and, prompting a user to make appropriate menu selections when the media change is detected. | 02-19-2009 |
20090152795 | COMPACT LOW PAPER SENSOR MECHANISM - A low paper sensor mechanism including first and second support rollers rotatable about a first and second rotational axis to support a paper supply roll, the first and second support rollers and rotational axes configured to translate in a path between a first position and a second position, first and second biasing members biasing the first and second support rollers toward the second position and a detection device, including a light emitting element and a light detecting element, disposed adjacent to the first and second support rollers, wherein the first and second support rollers move from the first position to the second position when a diameter of the paper supply roll is less than or equal to the predetermined distance between the first and second support rollers and the paper supply roll disrupts a line of sight between the light emitting element and the light detecting element. | 06-18-2009 |
20090166949 | PRINTING APPARATUS, METHOD FOR CONTROLLING PRINTING APPARATUS, PROGRAM, AND STORAGE MEDIUM - A printing apparatus performs printing with the use of sheets of paper set in any of a plurality of paper-feeding units. The print apparatus is controlled by a method including: determining whether the amount of sheets of paper remaining in a first paper-feeding unit has reached a predetermined amount; and if so switching from the first paper-feeding unit to a second paper-feeding unit. If it is determined that the amount of sheets of paper that remain in the first paper-feeding unit has reached the predetermined amount, control is performed so that the paper-feeding unit that is used for printing should be changed after the ejection of the last one of a plurality of sheets of paper that are included in one set thereof set in the first paper-feeding unit. | 07-02-2009 |
20090166950 | METHOD FOR CONTROLLING STACK-ADVANCING IN A REPRODUCTION APPARATUS - The present invention relates to a method for providing paper stack level calibration in a reproduction apparatus. According to various aspects of the invention, methods are provided for continuous feeding with a transition from one supply to another, and leaving a controlled number of sheets in the prior supply. | 07-02-2009 |
20110298171 | Paper feeder and image forming apparatus - In a paper feeder, a signal switching unit switches a paper present signal output from a paper detector to a paper absent signal indicative of absence of a paper in the second paper cassette if a first paper cassette is pulled out from a specific position. | 12-08-2011 |
20120074640 | Paper feeder, control method thereof and image forming apparatus having the same - A paper feeder, a control method thereof, and an image forming apparatus having the same are provided. The paper feeder includes a moving member to push paper loaded on one paper loader to another empty paper loader. With regard to operation of the moving member, the stop time of the moving member may be variable based on a paper size input by a user, which enables a stop position of the moving member to be automatically adjusted based on the paper size, resulting in enhanced user convenience. | 03-29-2012 |
20140291913 | RECORDING APPARATUS - A printer includes a lower tray and an upper tray disposed above the lower tray. An optical sensor which detects the presence or absence of a sheet is disposed above the upper tray. The upper tray is disposed to be slidable. A sliding operation of the upper tray enables modes to be switched over between a mode where the optical sensor opposes the upper tray and a mode where the optical sensor opposes the lower tray. One sensor can detect the presence or absence of the sheet in multiple trays. | 10-02-2014 |
20150130124 | FEEDING APPARATUS, IMAGE FORMING APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM STORING A PROGRAM - A presence/absence of paper on first and second stacking units, which are each capable of stacking a predetermined size of paper, is detected by first and second detection units. And in a case where a determination is performed as to whether or not paper of a size larger than the predetermined size is stacked astride the first and second stacking units and it is determined that a large size paper is stacked, a paper remaining amount is displayed based on the detection of either the first or second detection unit, and in a case where it is determined that a large size paper is not stacked, paper remaining amounts are displayed based on the detection of the first and second detection units respectively. | 05-14-2015 |
20160185134 | IMAGE FORMING APPARATUS - Provided is an image forming apparatus that shortens time period for interruption of printing. Image forming apparatus includes paper feeding cassettes, a paper sheet detection sensor, a sensing sensor, a paper feeding changeover determining part, and a system control part. The paper feeding cassettes are detachably loaded inside of an apparatus main body. Paper sheet detection sensor detects a paper sheet stored in the paper feeding cassette. Sensing sensor senses paper sheet conveyed along the carrying passage from the paper feeding cassette. Paper feeding changeover determining part determines whether or not changeover of paper feeding is possible, on the basis of operation state of the apparatus, a change in result of detection by paper sheet detection sensor, and the result of sensing by sensing sensor. System control part controls changeover of paper feeding on the basis of result of determination by paper feeding changeover determining part. | 06-30-2016 |
271900040 | Alternate feeding | 2 |
20120080834 | SHEET FEED DEVICE AND IMAGE RECORDING APPARATUS HAVING SUCH SHEET FEED DEVICE - An image recording apparatus including a first tray having a first holding portion for holding sheets, a second tray disposed above the first tray and including a second holding portion for holding sheets, a sheet feeder that selectively feeds a sheet from one of the first tray and the second tray in a sheet feed direction, a recording unit that records an image on the sheet fed by the sheet feeder, and a discharge roller that discharges the sheet on which the image is recorded by the recording unit. The second holding portion of the second tray moves above the first holding portion of the first tray. The second tray further includes a discharged sheet receiving portion for receiving the sheet discharged by the discharge roller. The second tray including the discharged sheet receiving portion pivots relative to the first tray. | 04-05-2012 |
20150291375 | SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS - Provided is a sheet storage apparatus for storing a sheet conveyed by a sheet conveyance unit, wherein at a home position, at least a part of a sheet presence detection flag overlaps a rotational axis of a sheet presence detection flag of an adjacent sheet storage unit in a vertical direction. | 10-15-2015 |