Patent application number | Description | Published |
20090278902 | PRINTER - A printer includes a set cover pivotally movably provided on a carriage. The cover can be set in a closed state in which the cover presses a head of the cartridge housed in the housing portion and an open state in which the cover opens the housing portion when the cartridge is replaced. A release lever is subjected to a bias force so as to protrude from an inner wall surface of the housing portion. The release lever is movable against the bias force. The release lever comes into contact with an end of the cartridge which faces the bottom surface when the cartridge is inserted into the housing portion. The release lever contacts the rear surface of the cartridge housed in the housing portion. The bias force is stronger when the cover is in the open state than when the cover is in the closed state. | 11-12-2009 |
20090295079 | SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A first conveying mechanism includes an intermediate conveying roller for conveying a recording sheet, an intermediate conveying roller shaft for supporting the intermediate conveying roller, an intermediate conveying roller drive mechanism for rotationally driving the intermediate conveying roller shaft, and a roller control mechanism for controlling movements of the intermediate conveying roller relative to the intermediate conveying roller shaft. The roller control mechanism performs skew correction along with conveying the recording sheet by rotating the intermediate conveying roller integrally with the intermediate conveying roller shaft while the intermediate conveying roller drive mechanism rotationally drives the intermediate conveying roller shaft and stops the rotational drive of the intermediate conveying roller shaft performed by the intermediate conveying roller drive mechanism after the skew correction to cause the intermediate conveying roller to be movable within a predetermined range in the axial direction of the intermediate conveying roller shaft. | 12-03-2009 |
20100330262 | RECORDING APPARATUS AND SHEET PROCESSING METHOD - A method includes pulling out and conveying a sheet having splice portions, acquiring information relating to a position of an indentation on the sheet formed in addition to a splice portion, and performing processing on the sheet but a position corresponding to the acquired position of the indentation and its vicinity. | 12-30-2010 |
20110097127 | METHOD OF CORRECTING CURL OF SHEET AND RECORDING APPARATUS - In a first step, a sheet is conveyed in a direction, whereby a leading end portion of the sheet is fed to a position between a decurl roller and a decurl pinch roller, which are in positions spaced apart from each other. In a second step, the leading end portion of the sheet is curved and held by causing the decurl pinch roller to come close to or press against the decurl roller. In a third step, the leading end portion of the sheet is withdrawn from between the decurl roller and the decurl pinch roller by conveying the sheet in a direction opposed to the conveying direction. After executing the first to third steps, the sheet is conveyed in the conveying direction through the first step while the sheet is curved by the decurl roller. | 04-28-2011 |
20110122189 | RECORDING APPARATUS - An apparatus includes a line-type recording head including a plurality of recording elements formed thereon, a holding unit configured to hold a sheet, a conveyance mechanism configured to convey the sheet held by the holding unit to a position of recording by the recording head, a shift mechanism capable of relatively shifting a position of the sheet in a sheet width direction with respect to the recording head while the sheet is fed from the holding unit to the recording position, and a control unit configured to control the conveyance mechanism and the shift mechanism. | 05-26-2011 |
20110132957 | RECORDING-MEDIUM-CONVEYING DEVICE AND RECORDING APPARATUS - A device includes a conveying roller configured to convey a recording medium, a follower roller configured to press the recording medium against the conveying roller, a detector configured to detect a direction of skew of the conveyed recording medium, and a changer configured to change a state of contact between the recording medium and the conveying roller in accordance with a result of the detection by the detector such that a length of a portion of the conveying roller that is in contact with the recording medium in a conveyance direction is larger on a side toward which the recording medium is skewed than on an opposite side. | 06-09-2011 |
20110135372 | BOTH-SIDE RECORDING APPARATUS - A both-side recording apparatus that enables both-side recording on continuous paper using a single recording head, without cutting the continuous paper at an intermediate position, is provided. Reduction in size and costs of the apparatus is achieved by eliminating a conveying path dedicated to both-side recording. The apparatus includes a paper-feeder that feeds continuous paper, a recording head that records an image on the continuous paper, a reversing unit that reverses the continuous paper such that a recording surface of the continuous paper facing the recording head is reversed, and a rewinding mechanism that rewinds the fed continuous paper to the paper-feeder. During both-side recording, recording is performed on the back side of the continuous paper by rewinding the continuous paper by the rewinding mechanism, setting the back side of the continuous paper to oppose the recording head by the reversing unit, and feeding the continuous paper from the paper-feeder. | 06-09-2011 |
20110210500 | SHEET CONVEYING DEVICE AND RECORDING APPARATUS - A device includes a conveying unit conveying a sheet, a guide, disposed downstream of the conveying unit in a conveying direction, guiding one side end of the conveyed sheet while being in contact with a side end, a feeding unit obliquely conveying the sheet closer to the guide, a pressing unit pressing the conveyed sheet in a direction in which the sheet moves away from the guide, and a control unit controlling the pressing unit and the feeding unit so that the feeding unit nips the pressed sheet to form a loop in the sheet between the conveying unit and the feeding unit and then conveys the sheet while the side end of the sheet is in sliding contact with the guide. | 09-01-2011 |
20110211889 | PRINTING APPARATUS AND SHEET PROCESSING APPARATUS - A decurling unit regulates a decurling force so as to be smaller when a sheet is returned from a printing unit to a sheet feeding unit than when the sheet is fed from the sheet feeding unit to the printing unit. | 09-01-2011 |
20110211890 | PRINTING APPARATUS AND DECURLING DEVICE - With front face printing, the sheet fed from a sheet feeding unit is led into a nipped position between a first pinch roller and a decurling roller from a first direction, and is discharged by decurling force being applied thereto at the decurling roller. On the other hand, the sheet fed from a reverse unit is led into the nipped position from a second direction opposite to the first direction, and is discharged by decurling force being applied thereto at the decurling roller. | 09-01-2011 |
20110266742 | SHEET CONVEYANCE APPARATUS AND RECORDING APPARATUS - An apparatus includes a first conveyance unit configured to convey a sheet, a first guide located downstream of the first conveyance unit in a conveyance direction and configured to guide a first side end of the conveyed sheet, a skew unit configured to convey the sheet in an oblique direction to come closer to the first guide, a second guide configured to contact a second side end opposite the first side end to guide the second side end, a second conveyance unit located downstream of the first guide in the conveyance direction, and a control unit configured to perform control so that, after conveying the sheet by the skew unit with the first guide contacting the first side end while the second guide is separated from the second side end, the second guide moves to a position close to the second side end. | 11-03-2011 |
20110280642 | PRINTING APPARATUS - A control unit includes a memory storing correction data obtained by associating information acquired by a first acquisition unit (rotary encoder) with information acquired by a second acquisition unit (direct sensor) with respect to, at least one rotation of a conveying roller. When a plurality of images are sequentially printed on a first surface and a second surface of a continuous sheet, the control unit reads the correction data corresponding to the rotation information acquired by the first acquisition unit from the memory and corrects at least one of driving control of a print head and driving control of the roller. The correction data used in printing on the first surface of the sheet is different from that used in printing on the second surface of the sheet. | 11-17-2011 |
20120098190 | SHEET CONVEYANCE APPARATUS AND PRINTING APPARATUS - A sheet conveyance apparatus includes: a guide unit for guiding the side end of the sheet; a first roller pair arranged on the downstream side of the guide unit for conveying the sheet, including a driven roller held in contact with a whole sheet in a sheet width direction; and a second roller pair having a conveyance roller arranged on the downstream side of the roller and adapted to convey the sheet, and a plurality of pinch rollers pinching the sheet in cooperation with the conveyance roller, wherein each of the plurality of pinch rollers applies to the sheet a conveyance force inclined toward a conveyance path side end, which is nearer to the pinch roller, and wherein the smaller the distance between the pinch roller and the conveyance path side end, the greater the inclination of the conveyance force thereof. | 04-26-2012 |
20120133719 | PRINTING APPARATUS - A printing apparatus includes: a upstream roller pair arranged on the upstream side of a printing head with respect to a direction in which a sheet is conveyed; and a downstream roller pair arranged on the downstream side of the printing head with respect to the direction, wherein each of the upstream roller pair and the downstream roller pair includes a first roller and a second roller configured to hold the sheet therebetween. In both of the upstream roller pair and the downstream roller pair, a rotation shaft of the second roller is provided to be situated on the downstream side of a rotation shaft of the first roller with respect to the direction. | 05-31-2012 |
20120169816 | PRINTER - A printer includes a set cover pivotally movably provided on a carriage. The cover can be set in a closed state in which the cover presses a head of the cartridge housed in the housing portion and an open state in which the cover opens the housing portion when the cartridge is replaced. A release lever is subjected to a bias force so as to protrude from an inner wall surface of the housing portion. The release lever is movable against the bias force. The release lever comes into contact with an end of the cartridge which faces the bottom surface when the cartridge is inserted into the housing portion. The release lever contacts the rear surface of the cartridge housed in the housing portion. The bias force is stronger when the cover is in the open state than when the cover is in the closed state. | 07-05-2012 |
20120204785 | SHEET CONVEYANCE APPARATUS AND RECORDING APPARATUS - A sheet conveyance apparatus includes a conveyance roller pair that has a roller with a uniform diameter in a sheet width direction and that is configured to pinch and convey a sheet, and a guide unit that is provided on an upstream side of the conveyance roller pair and that is configured to regulate a position of an edge of the sheet, wherein the conveyance roller pair conveys the sheet in a state in which the sheet is bended by the guide unit so that on a roller side with a uniform diameter in a sheet width direction, the sheet convexly bends. | 08-16-2012 |
20120242037 | SHEET CONVEYANCE APPARATUS AND PRINTING APPARATUS - A sheet conveyance apparatus includes: a guide unit for guiding the side end of the sheet; a first roller pair arranged on the downstream side of the guide unit for conveying the sheet, including a driven roller held in contact with a whole sheet in a sheet width direction; and a second roller pair having a conveyance roller arranged on the downstream side of the roller and adapted to convey the sheet, and a plurality of pinch rollers pinching the sheet in cooperation with the conveyance roller, wherein each of the plurality of pinch rollers applies to the sheet a conveyance force inclined toward a conveyance path side end, which is nearer to the pinch roller, and wherein the smaller the distance between the pinch roller and the conveyance path side end, the greater the inclination of the conveyance force thereof. | 09-27-2012 |
20130010043 | METHOD OF CORRECTING CURL OF SHEET AND RECORDING APPARATUS - In a first step, a sheet is conveyed in a direction, whereby a leading end portion of the sheet is fed to a position between a decurl roller and a decurl pinch roller, which are in positions spaced apart from each other. In a second step, the leading end portion of the sheet is curved and held by causing the decurl pinch roller to come close to or press against the decurl roller. In a third step, the leading end portion of the sheet is withdrawn from between the decurl roller and the decurl pinch roller by conveying the sheet in a direction opposed to the conveying direction. After executing the first to third steps, the sheet is conveyed in the conveying direction through the first step while the sheet is curved by the decurl roller. | 01-10-2013 |
20130099046 | PRINTING APPARATUS AND REWINDER SYSTEM - A printing apparatus is provided which can perform skew correction without damaging the print medium when rewinding a print medium into a roll. Therefore, when rewinding of the print medium roll is performed, the two pairs of conveying rollers are employed, and the conveying speed of the conveying roller pair near the print medium roll is set so lower than the conveying speed of the other conveying roller pair located apart from the print medium roll. Further, a guide member for the print medium is provided between the two pairs of the conveying rollers. | 04-25-2013 |
20130100193 | PRINTING APPARATUS AND INSPECTION METHOD - There are provided a printing apparatus and an inspection method which can reduce a position deviation of an inspection pattern upon reading the inspection pattern to perform an accurate inspection. A sheet conveyance misalignment in a continuous sheet is corrected in a corrective unit. The inspection pattern is printed on the corrected sheet by a print head of an inkjet type, and the sheet on which the inspection pattern is printed is dried. A sheet conveyance misalignment in the dried sheet is again corrected in the corrective unit, and the inspection pattern of the corrected sheet is read to perform a color shading inspection. | 04-25-2013 |
20130100223 | SHEET CONVEYANCE APPARATUS AND PRINTING APPARATUS - A sheet conveyance apparatus comprising: a sheet conveyance path; a loop forming unit that is disposed on the sheet conveyance path and bends, in a loop, the sheet to be conveyed; and a guide unit that is stepwise high at both sides whereas low at the center, as viewed in a sheet conveyance direction, and extends in the sheet conveyance direction, wherein the sheet sagging in the loop by the loop forming unit enters a guide region being defined between opposite guide faces of paired steps in the stepwise guide unit and having a width according to the width of the sheet, so that the side edges of the sheet abut against the guide faces, thus correcting the skewing of the sheet in the sheet conveyance direction. | 04-25-2013 |
20130140768 | SHEET CONVEYANCE APPARATUS AND PRINTING APPARATUS - A sheet conveyance apparatus includes: a guide unit for guiding the side end of the sheet; a first roller pair arranged on the downstream side of the guide unit for conveying the sheet, including a driven roller held in contact with a whole sheet in a sheet width direction; and a second roller pair having a conveyance roller arranged on the downstream side of the roller and adapted to convey the sheet, and a plurality of pinch rollers pinching the sheet in cooperation with the conveyance roller, wherein each of the plurality of pinch rollers applies to the sheet a conveyance force inclined toward a conveyance path side end, which is nearer to the pinch roller, and wherein the smaller the distance between the pinch roller and the conveyance path side end, the greater the inclination of the conveyance force thereof. | 06-06-2013 |
20130270062 | RECORDING APPARATUS AND SHEET PROCESSING METHOD - A method includes pulling out and conveying a sheet having splice portions, acquiring information relating to a position of an indentation on the sheet formed in addition to a splice portion, and performing processing on the sheet but a position corresponding to the acquired position of the indentation and its vicinity. | 10-17-2013 |
20140091127 | SHEET CONVEYING DEVICE - A sheet conveying device that more appropriately corrects a positional deviation for a sheet and reduces the time required for a correction of the positional deviation. The sheet conveying device includes a guide unit, for guiding the edges of the sheet that is conveyed and for correcting a positional deviation, and a buffer unit located upstream of the guide unit to form a slack for the sheet, so that one part of the slack formed by the buffer unit is guided by the guide unit. The buffer unit includes an upstream roller pair and a downstream roller pair, and a slack for the sheet is formed between the upstream roller pair and the downstream roller pair. | 04-03-2014 |