Abstract: Reducing waste in a digital printing system (200) includes moving media (214) through a web transport system (205) at a first speed. A first job is printed on the print media and a downstream finishing device (203) in a first configuration acts on the media. The web slows to a second speed prior the end of the first job and the finishing device changes to a second configuration after the first job has passed. A time to complete changing from the first to the second configuration is estimated and a time for a first section of the media containing the end of the first job to arrive at the finishing device is estimated. A second job is printed on the media prior to completion of the change based on the estimated time to completion.

Abstract: The control unit of a printer feeds paper P from a paper supply path 12 to a main conveyance path, drives a paper feed roller pair, conveys the paper in a first direction through the main conveyance path, and prints on the first side of the paper P. After printing on the first side ends, the conveyance direction changes from the first direction to the opposite second direction, and the medium is back-fed to a looped inverting conveyance path at a faster conveyance speed than the conveyance speed when printing. First and second conveyance rollers are then driven to convey the print medium at high speed through the inverting conveyance path, thereby inverting the front and back and returning the medium to the main conveyance path for printing the second side.

Abstract: Systems and methods are provided for predictively compensating for frequency-based shifts of the position of a web of print media in a continuous-forms printer. The system comprises a sensor and a controller. The sensor is able to detect lateral shifts of the web of print media traveling through the continuous-forms printer. The controller is able to identify a frequency of the lateral shifts of the web, and to steer the web based on the frequency.

Abstract: Motor control devices and methods are described herein. In one embodiment, such a device includes a fluid ejection head configured to eject a fluid onto a sheet that is on a downstream side from a transport driving roller along a supply direction of the sheet. The device also includes a first motor that provides a driving force for rotating a roll on which the sheet is wound, and a second motor that provides a driving force for driving the transport driving roller. The transport driving roller is on a downstream side from the roll along the supply direction of the sheet. The device also includes a motor control unit that simultaneously drives the first and second motors, and the motor control unit is configured to control an interpolation output that is given to the first motor while subjected to a change in a driving speed of the second motor.

Abstract: A printing device and a positioning method of a printing device can accurately compensate for deviation between the intended conveyance of the print medium, and the actual movement of the print medium when conveyed. A printer 5 has a conveyance motor 32 that can selectively convey print media forward and reverse; and a control unit 101 controls the conveyance motor 32 to convey the print medium. The control unit 101 executes a specific sequence, and calculates the difference in the conveyance amount of the print medium in each direction when the conveyance unit is operated the same amount in both directions. This sequence includes changing from forward to reverse and from reverse to forward the same number of times, a first conveyance of the continuous paper M forward or reverse, and a second conveyance in the opposite direction as the first conveyance.

Abstract: In a method to execute a pause in an ink printing system printing operation in which a printing substrate web is printed with print bars having print heads, with aid of a take-up roller moving the printing substrate web at printing speed past the print bars in a transfer printing zone in order to generate print images. Upon triggering the pause, a strain state of the printing substrate web is measured at a beginning of the pause and stored as a desired strain state. During the pause, the strain state of the printing substrate web is measured as a real strain state at selectable points in time, and the real strain state is compared with desired strain state. Given a deviation of the real strain state from the desired strain state, at the selectable points in time the take-up roller is controlled so that the strain state of the printing substrate web assumes the desired strain state at the beginning of the pause.

Abstract: A load applying unit includes a motor and a rotation transmission mechanism. A unit for causing the motor to be in a state where the motor creates a counter-electromotive force when rotational force from the roll body is received by applying a voltage less than a minimum driving voltage to the motor and a unit for changing a conveyance speed with which the conveyance unit conveys the print medium are included. While the print medium is pulled out from the roll body and the print medium is set in a state where image forming can be started, the motor is caused to be in the state where the motor can create the counter-electromotive force, and the conveyance unit performs a conveyance operation by changing the conveyance speed of the print medium in accordance with a detection result of the detecting unit.

Abstract: An image forming apparatus includes a carriage in which recording heads including nozzles for jetting liquid droplets are mounted; and a conveying unit configured to convey a recording medium facing the recording heads. The recording heads include a first recording head and a second recording head having a wider printing width than that of the first recording head. The conveying unit includes a guide member configured to guide the recording medium facing the recording heads. Recessed shape parts arranged in at least a medium conveying direction are formed in the guide member. The recording medium can be suctioned by generating negative pressure at the recessed shape parts. A partition wall part between the recessed shape parts is provided at a position corresponding to a downstream side edge in the medium conveying direction of the first recording head.

Abstract: When a splice of a continuous sheet is detected, a printing apparatus defines an unprintable area including the splice on the continuous sheet and continues printing by changing the order in which unit images and maintenance patterns are printed so that the unprintable area is not used for the print operation and a maintenance pattern is printed in an area subsequent to the unprintable area.

Abstract: Based on a conveyance amount in a second conveyance state where a sheet is conveyed by both a first conveyance unit and a second conveyance unit being a conveyance amount obtained by subjecting a conveyance amount in a first conveyance state where the sheet is conveyed only by the first conveyance unit and a conveyance amount in a third conveyance state where the sheet is conveyed only by the second conveyance unit to weighted average with difficulty of slipping of the first or second conveyance unit to the sheet as a weighting coefficient, a remaining conveyance amount is calculated from any two conveyance amounts from among conveyance amounts of the first, the second and the third conveyance states, and a correction value for conveyance is set from the calculated conveyance amount.

Abstract: An ink jet printer for printing on an at least partially cylindrical objects comprises one or more printheads positioned above a line of travel and a carriage assembly configured to hold an at least partially cylindrical object axially aligned along the line of travel and to position said object relative to the printheads, and then rotate the object relative to said one or more printheads. The printer also includes a curing device located along the line of travel and configured to emit energy suitable to cure the deposited fluid.

Abstract: In a case that a setting size for a print medium is set in print target data and the setting size has not been acquired as a candidate, a size having an aspect ratio corresponding to the aspect ratio of the setting size is specified. Next, a printer is controlled to print an image based on the print target data having a size corresponding to the size.

Abstract: A pair of transportation rollers is configured such that a transportation driven roller is disposed at a position which is displaced downstream with respect to a position vertically above a transportation driving roller and feeds out the paper sheet guiding in obliquely downward direction. The entering direction of the paper sheet fed out from the pair of transportation rollers is determined so as to intersect the plane of the holding surface of the support table. A translucent glass that serves as a detection window of an imaging unit disposed at a position opposite to the paper sheet with respect to the holding surface is located downstream in the transportation direction with respect to an intersection position between the entering direction of the paper sheet and the holding surface. Specifically, the translucent glass is located in the proximity of an abutment position where the paper sheet abuts against the holding surface.

Abstract: There is provided a printing control apparatus configured to cause a printing unit to print an image on a printing medium. In the printing control apparatus, the printed image has a size determined based on a candidate, which is acquired by a sensor detecting the size of the printing medium and is one of the candidates for a size of the printing medium, corresponding to a combination of a plurality of conditions for specifying the size of the printing medium.

Abstract: An image forming apparatus having a plurality of paper ejection devices includes a control unit which performs control to allow before a paper ejection device, which is continuously ejecting paper in the plurality of paper ejection devices, ejects paper over the maximum loading a paper ejection device which is not ejecting paper to prepare for starting an operation based on the time taken for the paper ejection device which is not ejecting paper to become operable and the number of ejectable sheets before a loading of the paper ejection device which is continuously ejecting paper reaches the maximum loading.

Abstract: Examples disclosed herein relate to curl control assembly for use in a printing device having an output for printed media. One such example includes an ejection flap assembly adjacent the output con Figured to controllably assume a first predetermined position designed to help control a first amount of curl of the printed media and a second predetermined position designed to help control a second amount of curl of the printed media. The example additionally includes a positioning assembly adjacent the ejection flap assembly configured to selectively position the ejection flap assembly in either the first predetermined position or the second predetermined position and an actuator coupled to the positioning assembly that has a latched state that helps prevent movement of the positioning assembly and an unlatched state that permits movement of the positioning assembly. An example of a curl control method for use in a printing device is additionally disclosed.

Abstract: An image forming apparatus includes: a conveying unit that conveys a recording medium; a liquid droplet ejection head that ejects liquid droplets onto the recording medium; an emission unit that emits a detection beam and a reference beam, which is farther from a conveying surface of the conveying unit than the detection beam, along the conveying surface of the conveying unit, the emission unit being provided upstream of the liquid droplet ejection head in a conveying direction of the recording medium; a light receiving unit that receives the detection beam and the reference beam emitted from the emission unit; and a floating determination unit that determines whether the recording medium is floated, based upon a magnitude of a difference between an amount of light of the detection beam received by the light receiving unit and an amount of light of the reference beam received by the light receiving unit.

Abstract: A system implementing a method for determining smear tendency of a sheet of print media to reduce smearing on future media sheets of a similar type. The method includes creating an image on the sheet of print media. The sheet of print media is reversed to allow at least one upstream roller to contact and smear the image and create smear marks on the sheet of print media. Reference marks are created over the smear marks and at unsmeared areas of the sheet of print media. To determine the smear tendency, the reference marks over the smear marks are compared to the reference marks at the unsmeared areas. The smear tendency indicates future corrections to an imaging device to reduce smearing on the future media sheets when used by the imaging device.

Abstract: There is provided an image forming apparatus in which a waiting time is small and the throughput is not degraded. Therefore it is determined whether or not a delay accumulation operation is necessary at the time of performing a cap closing operation or a wiping operation. If necessary, the delay accumulation operation is performed.

Abstract: Conventionally, during a copy operation, certain advanced mode settings make the extraction of additional security information impossible. In order to solve this problem, the print control apparatus includes: determining unit for determining an interval between a pattern element and a pattern element adjacent to the pattern element from the received image data; and control unit for performing a control so as to scale the image at a magnification specified by a user and have the scaled image printed by a printing apparatus when the product of the magnification specified by the user and the interval determined by the determining unit falls within a predetermined range, and configured to terminate or interrupt the printing of the image by the printing apparatus when the product of the magnification specified by the user and the interval determined by the determining unit does not fall within the predetermined range.

Abstract: A reproduction apparatus includes a print unit with print elements for ejecting an amount of ink on a plurality of sheets, of which each size in the direction perpendicular to the transport direction of the sheets under the print unit is smaller than the size of the print unit in the same direction, and a displacing mechanism for displacing the sheets in the same direction. The displacement of the displacing mechanism is so extreme that an alignment of a sheet is variable from an alignment of one side of the sheet with one end of the print unit to an alignment of the other side of the sheet with the other end of the print unit. Also a method for application by such a reproduction apparatus is disclosed.

Abstract: An image recording apparatus includes: a heating section which is located further on the downstream side of a transport pathway than an image recording area, but further on the upstream side of the transport pathway than a transport roller which is rotated by a motor; and a control section which lowers the suction power of a suction section to a medium from a first suction power to a second suction power lower than the first suction power during a recording operation and makes a first torque which is generated at the motor in a period which is during the recording operation and in which the suction power of the suction section is a suction power lower than the first suction power, be lower than a second torque which is generated at the motor during a transport operation.

Abstract: An image forming apparatus includes a conveying device for conveying paper, an image forming unit for forming an image on the paper, and a paper discharge tray where the image-formed paper is discharged and loaded at a predetermined discharge angle by the conveying device. The conveying device is controlled in a manner that a discharge speed of a first sheet of the paper is different from a discharge speed of second and subsequent sheets of the paper.

Abstract: A printing apparatus, including: an ink jet head for ejecting ink droplets of an ultraviolet curing type ink toward a medium; a temporary curing ultraviolet light source; an irradiation setting storage section which stores ultraviolet irradiation settings of ultraviolet rays from the temporary curing ultraviolet light source to the medium; and a curing completion ultraviolet light source being for completing curing of the dots of the ink, is provided. The ink jet head performs a printing by a multi-pass method. The ultraviolet irradiation settings are set so that, regarding temperature of the region where the ink jet head ejects ink droplets in each main scanning operation in the multi-pass method, an increasing range of temperature compared with temperature at a timing of the last main scanning operation is suppressed within a temperature rising range which dot gains of the dots of the ink are substantially the same as each other.

Abstract: An image recording device including a transport unit that transports a recording medium from a first drive roller to a second drive roller by rotating a first drive roller and a second drive roller across which a recording medium is stretched, a support member that supports the recording medium between the first drive roller and the second drive roller, a recording unit that ejects liquid on the recording medium supported on the support member and records an image, a detection unit that detects tension of the recording medium moving toward the second drive roller away from the support member, and a control unit that gives tension to the recording medium by controlling the torque of the second drive roller based on the recording medium tension detected by the detection unit.

Abstract: According an aspect of the present invention, when causing the liquid ejection head to perform a feeding operation along a first direction, the substrate is retracted outside the projected feeding region of the liquid ejection head and the supporting member thereof prior to starting the feeding operation of the liquid ejection head, preventing dusts and other foreign matters, generated as a result of the feeding operation of the liquid ejection head and the supporting member, from being deposited on a surface of the substrate onto which the liquid is to be deposited.

Abstract: A recording device (conveyance device) includes a recording section configured to perform recording on a recording medium (conveyance medium), a medium supporting section configured to be in a state feeding and pulling back the recording medium and support the recording medium, a detecting portion configured to detect a first arrangement state of the recording medium after being fed from the medium supporting section and before being pulled back and a second arrangement state of the recording medium after being pulled back and fed from the medium supporting section, and an adjusting section configured to select whether or not to process for adjusting an arrangement of the recording medium based on the first arrangement state and the second arrangement state.

Abstract: An image forming apparatus includes an image forming device, a belt member, a reflection-type photosensor, and a reflection member. The belt member includes plural suction holes to attract a printing medium onto the belt member. The reflection member reflects light from the reflection-type photosensor through the suction holes. The reflection member is disposed inside the belt member. The reflection member has a reflection rate at which, when the reflection-type photosensor receives reflection light at positions of the suction holes with a transparent printing medium being not present on the belt member, a sensor output of the reflection-type photosensor is lower than a predetermined reference value, and when the reflection-type photosensor receives reflection light at the positions of the suction holes with the transparent printing medium being present on the belt member, a sensor output of the reflection-type photosensor is equal to or greater than the predetermined reference value.

Abstract: A control unit is configured to form a print image on a recording medium by ejecting ink drops from nozzles of an ink head to the recording medium being conveyed on a conveyance route and sucked to the conveyance route by a negative pressure generated by a suction unit. The control unit is configured to control a level of suction power of sucking the recording medium to the conveyance route by the negative pressure in accordance with a level of a resolution of the print image in at least one of a main scanning direction or a sub scanning direction.

Abstract: An inkjet recording apparatus configured to record images on both sides of a sheet includes a corrugate mechanism configured to form a sheet into a continuous corrugated shaped in a direction perpendicular to a conveyance direction and parallel to a recording surface of the sheet.

Abstract: A printer includes a transporting unit that performs a predetermined amount of continuous transporting with respect to a printing medium, a head that forms a designated number of unit images designated in advance from the beginning to the end of continuous transporting by ejecting ink onto the printing medium which is continuously transported by the transporting unit, a detection unit that detects a defect of the unit image formed by the head, and a control unit that controls the transporting unit, the head, and the detection unit. Here, the control unit increases the predetermined amount and the designated number based on a detection result of the defective image by the detection unit, and performs a process of re-forming the unit image corresponding to the number of defective images while the continuous transporting is performed.

Abstract: A main frame supports a printer head. A first movable frame supports a platen and a first paper feeding roller, and is pivotally connected to one end of the main frame via a first pivot shaft to permit itself to be opened or closed relative to the main frame. A second movable frame supports a second paper feeding roller, and is pivotally connected to the other end of the main frame via a second pivot shaft to permit itself to be opened or closed relative to the main frame. When the first movable frame and the second movable frame are closed relative to the main frame, the printer head is opposite to the platen to form a printing position; and the first paper feeding roller is tangent to the second paper feeding roller.

Abstract: A printing section for performing duplex printing by performing printing on each printing paper sheet fed by a feeding section and performing printing on the other side of the one-side printed printing paper sheet that has been inverted by an inverting section; a control section for exert control to alternately perform the printing on each printing paper sheet from the feeding section and the printing on each one-side printed printing paper sheet; a post-processing time obtaining section for obtaining a post-processing time for each duplex printed printing paper sheet; and a feeding timing setting section for setting a feeding interval of the printing paper sheets from the feeding section based on the post-processing time for each duplex printed printing paper sheet, and calculating a paper spacing interval between each printing paper sheet from the feeding section and each one-side printed printing paper sheet based on the post-processing time.

Abstract: In an ink jet printing apparatus of the present invention, a moisture content of a print sheet is estimated without decreasing productivity of the printing apparatus and appropriate conditions of printing operation in the subsequent printing process are specified. More specifically, by measuring a change in thickness of the print sheet after printing, a state of moisture content is estimated. Estimating a state of moisture content allows determination of appropriate conditions of printing operation such as a minimum drying time required for printing a high-quality image on various types of print sheets such as print coated paper or coated paper.

Abstract: A liquid ejection apparatus includes: a liquid ejection head; a first conveyor for conveying a recording medium in a first direction to a recording position; a second conveyor disposed downstream of the recording position; a third conveyor for returning the recording medium to the first conveyor; and a dryer disposed at a drying position located downstream of the recording position in the first direction. A controller controls: image recording on a first surface of the recording medium opposite its second surface (first processing); the second conveyor to convey the recorded recording medium in the first direction until its upstream edge portion reaches a downstream side of the drying position in the first direction (second processing); the second conveyor to convey the recording medium in a second direction (third processing); and image recording on the second surface (fourth processing). The dryer dries the recording medium in the second processing.

Abstract: An inkjet apparatus for depositing liquid crystal according to an exemplary embodiment of the present invention includes: an inkjet head configured to discharge liquid crystal; a liquid crystal reservoir configured to provide the liquid crystal to the inkjet head, and the liquid crystal reservoir comprises metal; a storing tank configured to supply the liquid crystal to the liquid crystal reservoir; and a heat supply device configured to supply heat to the liquid crystal reservoir, in which a separation part is disposed inside of the liquid crystal reservoir, and the separation part divides the liquid crystal reservoir into an upper storing space and a lower storing space.

Abstract: A printer includes a print engine to print on print media within a print zone, a print media path including a print path portion to direct the print media through the print zone in a first direction, a duplex media path including a duplexing path portion to redirect the print media to the print media path in a second direction opposite the first direction, and a media tray to hold a quantity of the print media.

Abstract: A method of printing with an inkjet printer including a printhead, a star wheel located downstream from the printhead, and an adjustable biaser coupled to the star wheel. The method comprises analyzing print data to identify an area of printing to be printed on a sheet of print media that aligns with the star wheel; calculating the density of the printing in the identified area of printing; printing the identified area of printing; determining whether the calculated density exceeds a density criteria, and if so then using the adjustable biaser to lift the star wheel off of the sheet before the printed area of printing reaches the star wheel; advancing the printed area of printing past the star wheel; and using the adjustable biaser lowering the star wheel onto the sheet after the printed area of printing has advanced past the star wheel.

Abstract: In one example, a first swath is caused to be printed by a print unit on a media. The media is advanced with respect to the print unit. For a nominal second swath to be printed to beneath and adjacent to the first swath, a plurality of adjustment regions along the width of the nominal second swath are determined in accordance with a profile of non-constant advance errors for the media. An adjusted second swath is formed by, for each of the regions, adjusting the height of the nominal second swath in memory based on the determined amount of advancement error for the region. The print unit is caused to print the adjusted second swath on the media.

Abstract: A recording device includes a conveying part that conveys roll paper, a support part that supports the roll paper, a suction part that holds the roll paper to the support part by suction, a recording part that ejects liquid and records an image on the roll paper, a heating part that heats the support part to dry the liquid, and a controller that causes the suction part to use a first suction force to hold the roll paper to the support part by suction when the recording part performs a recording action for recording the image, and causes the suction part to use a second suction force, which is weaker than the first suction force, to hold the roll paper to the support part by suction when the recording part is not performing the recording action for recording the image.

Abstract: A liquid ejection apparatus includes a liquid ejection head, a conveyor, a recording controller, and a flashing controller. The conveyor conveys a recording medium along a conveyance path. The recording controller causes the conveyor to convey a recording medium, and controls liquid ejection from the liquid ejection head to form an image on the recording medium based on image data. The flashing controller causes the conveyor to temporarily stop conveyance of the recording medium, and causes liquid injection from the liquid ejection head based on drive data which is unrelated to image formation. The flashing controller determines timing for executing a subsequent flashing control on that, within a print enforceable period between one flashing control and the subsequent flashing control, the number of pages subjected to image formation based on image data increases with a decrease in time interval between image formation on one page and on another page.

Abstract: A printing apparatus in which printing is performed using an ink jet method includes a first ink jet head that discharges ink droplets of ink of a first color which is a color of the same color type as an expression color that is set in advance, a second ink jet head that discharges ink droplets of ink of a second color which is a color of the same color type as the expression color and is different from the first color, and a control unit which makes the first and the second ink jet head perform printing with the expression color on a medium by setting a ratio of a discharge amount of ink of the first color by the first ink jet head to a discharge amount of ink of the second color by the second ink jet head to a discharge rate which is calculated in advance.

Abstract: A paper conveyance apparatus includes: a drum that conveys a paper by winding the paper around an outer peripheral surface thereof and being rotated; a press roller that presses a surface of the paper at a predetermined position on the outer peripheral surface of the drum and brings a reverse surface of the paper into contact with the outer peripheral surface of the drum; and a back tension providing unit having an adsorption surface by which the surface or the reverse surface of the paper is absorbed, the back tension providing unit being configured so that provides the paper with a back tension by causing the adsorption surface to adsorb the surface or the reverse surface of the paper with an adsorption force which decreases from the center in a width direction of the paper toward both ends in the width direction of the paper.

Abstract: A recording apparatus includes a transport roller that transports a sheet by a predetermined transportation amount along a transportation path, a printing unit that records an image on the sheet being transported in synchronization with driving of the transport roller, a position detecting mechanism that detects whether an installation position is vertical installation or horizontal installation, and a transportation amount correcting unit that corrects a transportation amount depending on the detection result of the position detecting mechanism.

Abstract: A tray mounting unit in which it is possible to replace a plurality of types of set trays; a detector capable of detecting the type of set tray mounted on the tray mounting unit in a state where the target textile printing material is set; a determining unit determining whether the type of set tray detected by the detector and the type of set tray recognized in advance are matched or mismatched; and a control unit performing a predetermined operation based on the determining result of the determining unit, are provided. Thus, inconsistencies in the type of set tray may be detected thereby preventing textile printing defects caused by such inconsistencies.

Abstract: A printing apparatus measures spectral intensity of a printed medium before an image is printed thereon, and calculates Mahalanobis distances with respect to plural types of reference printing media stored in advance. Then, the type of the printed medium is determined from the reference printing media based on the Mahalanobis distances and the image is printed thereon.

Abstract: A method is provided that is implemented on a control device connected with an inkjet printer, which includes an inkjet head having an ink discharging surface, a head scanning unit reciprocating the inkjet head relative to a recording sheet along a scanning direction parallel to the ink discharging surface, and a wave shape generating mechanism deforming the recording sheet in a predetermined wave shape that has tops of portions protruding in a first direction toward the ink discharging surface and bottoms of portions recessed in a second direction opposite to the first direction alternately arranged along the scanning direction, the method including acquiring gap information related to a gap between the ink discharging surface and each individual one of the tops and the bottoms on the recording sheet, and determining whether the gap information acquired for each individual one of the tops and the bottoms is abnormal.

Abstract: An inkjet printer having a print region, the inkjet printer includes an inkjet printhead; a media advance system for advancing recording medium through the printing region; a carriage for moving the printhead back and forth in a carriage scan direction across the print region, the carriage including a first magnetic element; and a platform that is movable along the carriage scan direction, the platform including: an optical sensor for receiving light from the recording medium to determine a type of recording medium; and a second magnetic element for selectively coupling to the first magnetic element.

Abstract: When a paper jam is detected, in the case where the cause of the paper jam is a CR motor error in which the speed of the carriage is decreased by as much as a load when the paper jam occurs and becomes equal to or less than a set speed, when there is an instruction to continue printing, cleaning is performed on a printing head. In this case, it is determined whether the paper position is particularly in a one-side supporting range in which the paper is supported by only one pair of transporting roller pairs provided in each of an upstream side and a downstream side of a transporting direction of the paper with interposing of a moving path of the printing head. Then, it is preferable that cleaning be performed as long as the paper position is in the one-side supporting range.

Abstract: In an embodiment, a processor-readable medium stores code representing instructions that when executed by a processor cause the processor to measure a width of a first-sized media page and determine a length that corresponds with the width. Based on the length, a bottom end of the first-sized media page is located, and a calibration pattern is printed in a first page region located relative to the bottom end of the first-sized media page.