Abstract: An inkjet device for controlled positioning of a droplet of a substance onto a substrate includes a print head having a nozzle configured to eject the droplet. A camera is configured to detect and generate images of the droplet after ejection of the droplet from the nozzle. If the droplet volume, velocity, flight path, viscosity or surface tension start to deviate from preset values, a computer is configured to correct for this in a closed loop manner. If the droplet fails to eject, the computer is configured to stop the inkjet device and an operator can maintain the print head. The computer is configured to determine viscosity and surface tension of the droplet from characteristics of the droplet identified from the droplet images, and the computer is configured to control the positioning of the droplet onto the substrate during the printing process based on the determined viscosity and surface tension.

Abstract: A method for manufacturing a liquid ejection head having a substrate, heat generating elements formed at the front surface side of the substrate, and a nozzle layer forming liquid chambers and liquid ejection ports at the front surface side of the substrate, and the method includes a process of preparing a substrate having heat generating elements and a nozzle layer formation material layer at the front surface side, a process of driving the heat generating elements for heating to form air bubbles serving as the liquid chambers in the nozzle layer formation material layer, and a process of forming liquid ejection ports which communicate with the liquid chambers in the nozzle layer formation material layer, and then forming a nozzle layer forming the liquid chambers and the liquid ejection ports at the front surface side of the substrate.

Abstract: In an example implementation, a print supply cartridge comprises a microcontroller to receive a timing challenge and enable authentication of the cartridge by providing a challenge response. The challenge response is provided in a challenge response time that falls within an expected time window.

Abstract: A drawing apparatus, including: a drawing data generation unit which, as a fitting process, fits a design image to a drawing region of a drawing target, and generates drawing data of the design image fitted to the drawing region; and a drawing unit which performs drawing of the design element on the drawing region on the basis of the drawing data, wherein the drawing region is curved along a width direction of the drawing region, the design image includes at least one design element, and the drawing data generation unit performs fitting the design element to a region excluding at least one edge portion from the drawing region, the edge portion being set on one side in a width direction of the drawing region.

Abstract: The object is to reliably remove dirt and/or stains on the nozzle surface of a printer head. To accomplish the object, an inkjet printing device (100) is provided with a rotating brush (50) in a cap (103) mounted on a printer head (1), and a piezoelectric element (150) disposed on the side wall of the cap (103). The piezoelectric element (150) is ultrasonically vibrated at a predetermined frequency by means of a controller (20) and a power source (9). The ultrasonic vibration is transmitted into a cleaning solution in the cap (103) to remove dirt and/or stains adhered to a nozzle surface (3a). The rotating brush (50) is rotated by a motor, and its bristles (53) are vibrated by the ultrasonic vibration. Accordingly, dirt and/or stains on the nozzle surface (3a) are mechanically removed.

Abstract: A printer system comprising a printer having a printhead operatively installed therein, the printer including a housing having opposing thumb screws extending outwardly therefrom, and a mount comprising a printer bracket having opposite printer bracket side members each terminating in a distally extending side member leg configured for attachment to the rail, the printer bracket side members each further having a mounting slot formed therein with a vertical slot portion and at least one horizontal slot portion and a rail bracket having a rail bracket top member with opposite substantially downwardly extending rail bracket side members terminating in outwardly extending side member legs configured for attachment to the rail, whereby the printer is received within the mount and selectively positioned therein as by engaging the thumb screws within the mounting slots so as to position the printhead as desired beneath the rail bracket top member.

Abstract: A printer for printing on an optical fiber includes an ink tray storing an ink; a drawing roll configured to draw the ink from the ink tray; a printing roll, having a print pattern which is capable of filling the ink transferred from the drawing roll, configured to transfer the ink filled in the print pattern to a surface of the running optical fiber, the print pattern being a mesh pattern having a mesh size in a range of 75-mesh to 150-mesh; and a doctor blade configured to press the ink into the print pattern and to scrape the excess ink deposited on a surface of the printing roll.

Abstract: A printing machine for printing onto containers, such as bottles, having at least a conveyor and a printing unit with a print head module, with at least one print head, a movement system for adjusting the position of the print head module, a measuring system for determining the position of the print head module and a control unit for controlling the movement system, where the movement system comprises a radial module for adjusting the position of the print head module in the radial direction and a height module for adjusting the height of the print head module in the vertical direction.

Abstract: An assembled blister package has a blister sheet formed with blisters sealed by a foil backing sheet. The blister package is sandwiched between opposite sides of a folded card (not shown) to stiffen it. Each of these sides has a rectilinear array of windows defining discrete areas on which to print. A header sheet on which a bar-code is printed is attached to the backing sheet, and a reader is positioned to read the bar-code and extract from it information which is fed to an ink-jet printer. Two stepping motors are used to control the position of the printer as information is printed on the respective discrete areas of the array. The printer can be spaced from the backing sheet by a sufficient distance to enable it to print without obstruction.

Abstract: This printer is a printer having a wireless communication function, and includes an antenna (321f) in a front surface (110f) of a casing (110), which is a surface having a space requiring portion where space is required in a vicinity of the casing (110). The space requiring portion is a sheet delivery slot (120f) and a sheet receiving portion cover (130f) for replacing sheets.

Abstract: A processing object modifying apparatus includes a conveying unit that conveys a processing object; a plasma processing unit that performs plasma processing onto a surface of the processing object while the processing object is being conveyed by the conveying unit; a measuring unit that measures a pH value of the processing object to which the plasma processing has been applied; and a controlling unit that controls the conveying unit to change a conveying speed of the processing object on the basis of a measurement result of the measuring unit, the processing object to which the plasma processing is being applied.

Abstract: Method and apparatus for storing archive images to a substrate, such as a rotatable optical disc. In some embodiments, the substrate stores a plurality of archived images in a human detectable form on a surface of the substrate and further stores control data associated with the archived images to facilitate optical recovery of said human detectable images from the surface.

Abstract: A machine for inkjet printing three-dimensional objects, for example gas-filled balls, includes an apparatus having an inkjet print head for inkjet printing an object, an apparatus having at least one sucker for holding the object and an apparatus having a first drive and a second drive for rotating the object about two rotational axes which are different from one another.

Abstract: Systems and methods for high-speed variable printing are provided. Ink jet technology and lithographic systems may be combined in such a way to create a fully variable and high-quality print system. Ink is applied to a first cylinder. Aqueous solution is applied to a second cylinder to produce a negative image. At least a portion of the ink from the first cylinder is transferred to the second cylinder. A positive image in ink is then transferred from the second cylinder to a print medium, and residue ink and aqueous solution is cleaned from the second cylinder. The systems and methods described herein may be used to create high-quality one-to-one marketing applications.

Abstract: A device for serial printing of print media, particularly mailpieces, with a print head having a planar printing face and a printing area extending longitudinally, and with a transport device for feeding print media to be printed to the print head. The transport device includes first and second transport units, which move the print media parallel to the printing face and can be moved in an orthogonal direction relative to the printing face in order to guide a print medium on the transport units to the printing face of the print head and at a distance away from the printing face that is suitable for printing. The first and second transport units can be moved independently of one another and a transfer area of the printing face is provided to transfer a print medium from the first to the second transport unit.

Abstract: A label printer capable of keeping the printed contents from exceeding the bounds of the label. The printer (10) detects the leading edge of a sheet of paper (1) as well as eye marks using a detecting sensor (70). Cueing is performed by a control unit (40). When the difference between the length of the sheet of paper (1) from the leading edge to the first eye mark and the length of the sheet of paper (1) from the first eye mark to the second eye mark is less than a threshold value, printing is started from the first label and when the difference is at or above the threshold value, printing is started from the second label.

Abstract: A moving mechanism includes a support, a moving body arranged movably in a predetermined direction relative to the support, a first groove provided in the support parallel to the moving direction, a second groove provided in the moving body parallel to the moving direction, and facing the first groove, and a vibrating body arranged in the support or moving body and biased to press the other of the moving body or the support. A direction which the first groove and the second groove face each other intersects a direction which the support and the moving body face each other, and a biasing direction which the vibrating body is biased intersects the direction which the first groove and the second groove face each other and the direction which the support and the moving body face each other. Accordingly, backlash of the moving body with respect to the support is suppressed.

Abstract: There is provided a temperature detection unit 28 configured to detect an activation condition temperature that is the condition temperature causing activation of a remoistenable adhesive that is coated by water, an integrated storage unit 2 configured to store an attachment maintenance time table that is the attachment maintenance time selection condition for determining the attachment maintenance time T for the remoistenable adhesive depending on the activation condition temperature detected by the temperature detection unit 28, and an integrated control unit 3 configured to drive and control the discharge unit 26 of the enclosing and sealing apparatus 20 to thereby satisfy the attachment maintenance time T determined in response to the activation condition temperature detected by the temperature detection unit 28.

Abstract: In some examples, a printing system including a rotating platen having an axis of rotation and configured to support a substrate, and a printhead configured to eject drops in a direction parallel with the axis of rotation onto the substrate supported by the rotating platen.

Abstract: A nail print apparatus, including: a print head which performs printing on a nail region on the basis of image data including a first design and a second design that is a background of the first design; and an image data processing unit which has a second image data processing unit that processes the image data so that the second design covers an entire nail region.

Abstract: A method of surface marking an article, especially a building product, is provided. One described method includes the steps of laser marking a first graphic design element on a surface of an article and ink-jet printing a second graphic design element in registry with the first graphic design element on the surface of the article to create a high quality overall graphic design. Also provided are articles made according to this method, and systems for carrying out the method.

Abstract: A method for creating a printed image on a rotating, three-dimensional body or bottle eccentrically on a turntable, includes providing an inkjet printing unit having inkjet nozzles along a straight line for printing at a clock rate, rotating the body about a rotation axis parallel to the line using a motor, prescribing a fundamental frequency f0(t) for activating the motor, for example based on a constant angular velocity, activating the motor with the fundamental frequency f0(t), prescribing an average or constant body radius R0, determining a radius change ?R(t) of the body during rotation, calculating a correction value k(t) for the printing unit clock rate, where k(t)=1+?R(t)/R0, and activating the printing unit with a frequency f(t) for the clock rate, where f(t)=f0(t)·k(t), for example permitting printing on eccentrically rotating bottles with a constant print resolution while avoiding image imperfections.

Abstract: User-related features of a printing system are disclosed herein. Some embodiments relate to a time-line GUI for visualizing and/or manipulating queued print jobs which may be employed. Some embodiments relate to a reversed augmented reality GUI for visualization and/or control of the printing system. In some embodiments, a display screen is mounted to a printer housing and/or able to control access to moving parts of a printing system.

Abstract: A method of making edible substrates that have an image registered on them in a consistent manner. The method comprises the steps of providing an edible substrate sheet, and an image source, wherein the image source has at least one image. Further, a trigger pulse signal is provided, which relays the frequency of a process element that is communicated to an image disposal device. The image disposal device uses the trigger pulse signal to determine when to dispose an image from the image source. Then an image is disposed on the edible substrate sheet with the image disposal device to form an image-disposed edible substrate sheet. And then a portion of the edible substrate sheet that comprises an image is separated into an individual piece.

Abstract: A printing process may involve providing a wood-based flat panel, which is made from a mass of wooden particles, a preliminary step of graphic composition of a multi-colored image using an electronic processor and relative software, and a printing step for printing the wood-based flat panel with the multi-colored image using an ink-jet printer provided with print heads. The colors employed by the ink-jet printer may include the prime colors cyan, magenta, and yellow in addition to black. The ink-jet printer may be controlled by the electronic processor. The wood-based flat panel may move relative to the ink-jet printer while at least one of the print heads propels ink micro-droplets onto the wood-based flat panel. The print heads may be stationary during the printing operation.

Abstract: A printer includes a recording head that ejects ink toward a recording medium, a first driving mechanism that moves the recording head in main scanning directions; a second driving mechanism that moves the recording head and the recording medium with respect to each other in sub scanning directions perpendicular to the main scanning directions; an input device that allows a user to input thereto printing information about printing time and image quality; and a control device that controls the recording head, the first driving mechanism and the second driving mechanism based on the printing information input to the input device. The printing information includes at least information about a pass number of the recording head. The input device allows the pass number to be changed continuously.

Abstract: A method of manufacturing color contact lens includes the steps of providing a rubber pad having a pressure bearing surface and filling C/M/Y/B coloring agents in a first inkjet printer; causing the first inkjet printer to jet the C/M/Y/B coloring agents on the pressure bearing surface of the rubber pad to form a color image layer; transferring the color image layer from the rubber pad onto an inner surface of a concave mold; injecting a lens material into the concave mold; pressing a convex mold against the concave mold to form a lens layer on the color image layer; and curing the color image layer and the lens layer to form a color contact lens. With the method, the color image layer can be formed using the inkjet printer without an increased thickness, enabling mass production of relatively thin color contact lenses at shortened time and lowered defect rate.

Abstract: A process for the manufacturing of surface elements is provided herein. The surface elements can include a decorative upper layer and a supporting core. A supporting core with a desired format is manufactured and provided with an upper side and a lower side. The upper side of the supporting core is provided with a décor, by for example printing, which décor is positioned after a predetermined fixed point on the supporting core. The upper side of the supporting core is provided with a protecting, at least partly translucent, wear layer by for example spray coating, roller coating, curtain coating and immersion coating or by being provided with one or more sheets of ?-cellulose impregnated with thermosetting resin or lacquer.

Abstract: The present inventions relates to An ink-jet printer for printing on an edible substrate, the printer comprising a guide roller for guiding the substrate through the printer and a print head for printing on the substrate, the print head being mounted adjacent the guide roller so as to be movable in a reciprocating manner substantially parallel to the guide roller characterized in that the print head mounts a roller cleaning apparatus which engages the guide roller as the print head reciprocates. This prevents a build-up of residue from the edible substrate on the guide rollers, thus providing improved performance and reliability. A method of operating the printer in conjunction with a user terminal is also disclosed.

Abstract: A printer comprising: a housing having an accommodating portion that accommodates recording paper and opens in a direction crossing the direction of gravity; a cover coupled to the housing in an openable and closable manner, and closing the accommodating portion; a control unit provided on the cover and having a circuit board; an lever provided in the housing at a position above the control unit in the direction of gravity and opening the cover; and a discharge path provided on the cover outside the control unit and leading liquid having entered through between the lever and the control unit toward an area below the control unit in the direction of gravity, wherein the discharge path including an upstream side end disposed on the cover below the lever in the direction of gravity.

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 an energy suitable to cure the deposited fluid.

Abstract: A marking apparatus for marking histology embedding cassettes includes a marking device for marking plastic surfaces, a gripping means to grip and release a cassette, and a movement organ to rotate the gripping means with respect to a first rotation axis perpendicular to a second rotation axis. The first axis is arranged such that it is situated in an ideal plane that is parallel to and interposed between the ideal planes in which the perpendicular surfaces of a cassette, gripped by the gripping means, are located, so that, upon rotation with respect to the first axis the first and the second perpendicular surfaces can alternately be located in front of the marking device. The second axis being arranged with respect to the gripping means such that, upon rotation with respect to the second axis, the oblique surface of the cassette can be in front of the marking device.

Abstract: A nail print apparatus includes a print head and a display control unit. The print head performs printing on a plurality of fingernails. The display control unit distinguishes between an under-printing fingernail and a not-under-printing fingernail to display the fingernails. The under-printing fingernail is a fingernail under printing performed by the print head. The not-under-printing fingernail is a fingernail not under printing performed by the print head.

Abstract: Systems and methods for pre-aligning print head(s) to alignment adapter(s) to increase print resolution of printed matter, and to reduce offline time of a printing system due to print head alignment, include the use of an alignment adapter to which a print head is pre-aligned and which includes precision alignment features which precisely engage cooperating precision alignment features on the print head carriage mounting plate of the print head carriage. Print head(s) can be pre-aligned and fine-tuned to alignment adapter(s) even while the printing system is still in print production. Pre-aligned print head/alignment adapter assemblies can then be quickly mounted on the print head carriage using the cooperating precision alignment features of the adapter and print head carriage mounting plate. Duplicate sets of print head mounting sockets can include print heads aligned at different relative offsets (e.g., half a pixel) to increase the print resolution.

Abstract: An improved method and apparatus used in pad printing is disclosed wherein a customized cliché is created from a generic cliché and a computer image of the desired printed output. The generic cliché contains a fine array of micro pockets on its inking surface. Ink jet printing ink is precisely deposited into the micro pockets at varying locations and amounts by the computer system and cured to harden the ink jet ink, which creates a customized cliché. Pad printing ink will adhere to the customized cliché in amounts in inverse proportion to the amount of ink jet printing ink deposited and cured on the customized cliché. The pattern of empty, partially filled and completely filled micro pockets in the customized cliché creates a gray scale image on the printed part.

Abstract: A thermal printer includes a casing, a thermal head module and a guiding component. The thermal head module is detachably installed inside the casing, and the thermal head module includes a bracket, a thermal head and a pivoting component. The thermal head is installed on the bracket, and the pivoting component is disposed on an end of the bracket. The pivoting component is pivotally engaged with the casing. The guiding component is rotatably installed inside the casing and for guiding a printing medium. The guiding component includes a holding portion for holding the pivoting component of the thermal head module as the guiding component rotates in a first rotating direction relative to the casing, so as to drive the pivoting component to separate from the casing, so that the thermal head module is detached from the casing.

Abstract: A first part of liquid holders includes at least one liquid holder provided at the first casing. A second part of liquid holders includes at least one liquid holder provided at the second casing. Each of a plurality of flexible tubes has one end and another end. The one end is connected to the first part of the liquid holders. The other end is connected to the second part of the liquid holders. A first supporting section is provided at the first casing and supports the tubes. A second supporting section is provided at the second casing and supports the tubes. A third supporting section supports the tubes at a position between the first supporting section and the second supporting section in such a manner that the tubes are arranged in a direction parallel to a pivotal axis.

Abstract: What is disclosed is a multi-function system which receives media printed with ink having thermo-reactive properties and which processes the received media such that the ink becomes visually transparent. One embodiment of the present system comprises an input tray for receiving printed media into a transport path along which the media travels. A heating element resides in proximity to that transport path for changing a temperature T of the media to T?TH. In various embodiments, a temp-normalizing element is positioned along the transport path downstream of the heating element for changing a temperature of the media such that the media's temperature T can be normalized back to a temperature range TL<<T<<TH prior to the media being deposited into an output tray such that the processed media is no longer hot to the touch. A user interface enables a user to perform various functions. Embodiments of a user interface are disclosed.

Abstract: A label production apparatus includes: a printing unit configured to print a label image on a first base material included in a print target medium that has the first base material, a second base material, and an adhesive layer interposed between the first base material and the second base material while using image data for generation of the label image; a test unit configured to test the label image printed on the print target medium; a memory unit configured to store layout information that specifies image arrangement positions when a plurality of label images are arranged on the print target medium; and a post-process unit that is configured to cut a portion of the first base material where the label image has been formed, and generates such a cut-line based on the layout information, if a print defect is detected by the test unit, that avoids cutting of the label image in which the print defect is detected among the plurality of label images so as to cut the first base material using the generated cut-li

Abstract: A nail print apparatus which prints on a nail and a printing control method of the nail print apparatus. In one implementation of the present invention, the nail print apparatus includes a imaging section; a nail region information detecting section which detects an outline and an area of the nail region; a print design image generating section; an element position judging section which judges whether or not a design element is contained within the nail region; and a printing section. The print design image generating section positions a design element in a position in the nail region which corresponds to a position on a standard nail model an element to a value in proportion with a ratio of the area of the nail region to an area of the standard nail model.

Abstract: In one version, variable data digital printing where certain record images are selected from a database and user designated variable data is entered into the selected record images creating personalized images. Data tags are inserted into the personalized images which are stored. The stored personalized images are scanned for specified tags; and, the results of the scan identified to the user for verification of accuracy. Provision is made for image display and correction, and inputs may be entered from a user interface prior to printing. Another version provides for supplying heated individual colorant resin to printheads for printing on print media. Heated conductive resin is supplied to a separate printhead for concurrently printing continuously conductive resin as a circuit having discrete information therein with the printed image thus forming a concurrently printed RFID tag.

Abstract: A nail print apparatus which prints on a nail and a print controlling method. According to one implementation, a nail print apparatus includes an imaging section, a finger dimension obtaining section, a storage section, a model selecting section, a region specifying section and a printing section. The model selecting section selects one specific nail region extracting model based on a dimension of the finger obtained by the finger dimension obtaining section. The region specifying section specifies a nail region to be a specific nail region extracting model selected by the model selecting section to a region of the nail in the finger image obtained by the imaging section. The printing section applies ink on the specified nail region.

Abstract: A print apparatus includes a selection unit, a print unit and control unit. The selection unit categorizes a curve-shape of a print target surface into one specific shape pattern among a plurality of shape patterns having shapes whose degrees of curving are different from each other. The print unit has a recording head that applies ink on the print target surface. The control unit controls the print unit to set an ink amount to be applied at the edge parts of the print target surface to predetermined amount which is set corresponding to the specific shape pattern.

Abstract: A nail print apparatus including a dividing wall; a first finger inserting section which is provided in one space divided by the dividing wall and in which a finger is inserted; a print head which is provided in the one space divided by the dividing wall and performs printing on a nail part of the finger inserted in the first finger inserting section; a second finger inserting section which is provided in other space divided by the dividing wall and in which a finger is inserted; and a blowing section which blows air into the first finger inserting section and into the second finger inserting section.

Abstract: A printing device having a turntable for turning a mounted printing object so that its printed face is directed upward, a printing head having a plurality of nozzles for spouting inks and being able to move toward a center of rotation of the printing object from outside the rotation of the printed face, and a controller provided for controlling a moving speed of the printing head, a rotating speed of the turntable, and spouting of the inks by the plurality of the nozzles, to perform a controlling operation in a manner such that a printing is spirally applied onto the printed face of the printing object by permitting the printing object mounted on the turntable to be rotated and by permitting the printing head to continuously move while allowing the plurality of the nozzles to spout therefrom the inks.

Abstract: A laser output and inkjet printing machine comprises a machine body, a working rail set, an inkjet module, a laser output module and a pivotal apparatus. A processing platform is disposed on the machine body for placing a workpiece. The working rail set is disposed on the machine body and is controlled by the machine body to displace above the processing platform. The inkjet module is used for jetting ink on the workpiece. The laser output module is used for engraving or cutting patterns on the workpiece. The pivotal apparatus is used for coupling or separating the laser output module and the inkjet module so that the inkjet module can be coupled to the laser output module through the pivotal apparatus.

Abstract: A method of surface marking an article, especially a building product, is provided. One described method includes the steps of laser marking a first graphic design element on a surface of an article and ink-jet printing a second graphic design element in registry with the first graphic design element on the surface of the article to create a high quality overall graphic design. Also provided are articles made according to this method, and systems for carrying out the method.

Abstract: An ink and print media cartridge for a printer device includes a print media housing assembly configured for insertion and removal to and from the printer device, the print media housing assembly having a top molding coupled to a bottom molding and a print media storage volume defined therebetween; an ink housing assembly attached to an outer surface of the bottom molding, the ink housing assembly defining an ink chamber with the outer surface of the bottom molding; a spring provided between the top molding and the bottom molding, the spring positioned to bear on one side against the top molding and on an opposite side against print media stored in the print media storage region; and a feed mechanism provided within the print media housing, the feed mechanism having a drive gear protruding externally from the print media housing. The drive gear is positioned to engage with a complimentary drive mechanism of the printer device upon insertion of the print media housing into the printer device.

Abstract: A method of producing a print on a recording medium includes receiving positive and negative image data for the print to be produced. A selected region of the recording medium is discharged. First-sign charged fluid is deposited in a selected first-sign charged-fluid pattern on the selected region of the recording medium, the first-sign charged-fluid pattern corresponding to the positive image data. Second-sign charged fluid is deposited in a selected second-sign charged-fluid pattern on the selected region of the recording medium, the second-sign charged-fluid pattern corresponding to the negative image data and the second sign being different from the first sign. Charged dry ink having charge of the second sign is deposited onto the recording medium. The deposited dry ink is attracted to the first-sign charged-fluid pattern and adheres to the recording medium in the first-sign charged-fluid pattern.

Abstract: In general, according to one embodiment, an inkjet recording apparatus includes an inkjet head, a conveyance motor, a discharge motor, a printing medium surface sensor and a controller. The inkjet head ejects ink on a printing medium. The discharge motor causes discharge of the printing medium. The printing medium surface sensor, locates at the upper-stream side of the inkjet head apart from the inkjet head in a printing medium conveyance direction, senses a foreign substance representing an image printed on the printing medium beforehand. The controller drives the discharge motor to discharge a printing medium without ejecting ink from the inkjet head if an after-printing mode in which printing is made on the printing medium on which the image is printed beforehand is not set if the foreign substance is detected on the printing medium through the printing medium surface sensor.