The invention relates to a drying device (10) for a drying between inking units of a printing machine (1), with which a substrate (2) can be transported via rotating cylinders (3.1, 3.2, 3.3) and is printable with a coloring agent (4), with an air supply unit (11) for supplying of air (5) in direction of the substrate (2) in order to effect a drying of the coloring agent (4), a suction unit (12) for discharging the air (5), a control unit (20), which controls and/or regulates the air supply unit (11) in dependence of the operating parameters (B) in a way that altering drying areas (13.1, 13.2, 13.3) are adjustable at the substrate (2).

A method is provided for controlling a web in a printing apparatus The printing apparatus includes a transport assembly for moving the web through a transport path along a printing unit for printing an image onto a print area of the web. The method includes feeding the web from a supply roll through the transport path to the transport assembly; and switching the printing apparatus to a ready-to-print mode, wherein the printing unit does not print an image on the web and the web is maintained ready to be printed on. In a printing mode after the ready-to print mode, the following steps are performed: moving the web through the transport path in a transport direction along the printing unit by the transport assembly; and printing the image onto the print area of the web by the printing unit. The image is printed by applying an image material, which solidifies on the web during the printing step. The ready-to-print mode includes the step of: operating the transport assembly to prevent a deformation of the print area of the web in the transport path, while maintaining the web in the ready-to-print mode. The web is maintained ready to print while preventing a deformation of the print area of the web in the transport path.

The invention relates to an apparatus (1) for irradiating a substrate (2), which apparatus comprises a platform (4), which is straight or curved in relation to the longitudinal axis (3) of the platform (4), wherein one, two, three, four, five, six, seven, eight, nine, ten or more irradiation modules (6) and/or substrate supply air modules (36) and/or substrate exhaust air modules (37) are reversibly attachable directly or indirectly to the bottom side (8) of the platform (4) by sliding or inserting or mounting in one or more fixed or telescoping module attachment devices (10) provided on the bottom side (8) of the platform (4) - each extending from the front side (5) of the apparatus (1) and in the direction of the back side (9) of the apparatus (1).

In some examples, a conditioner system for a media printed by a printing system includes a media conditioning assembly comprising a heater, the media conditioning assembly to receive the media printed by the printing system after the media has been heated by a dryer in the printing system after printing has occurred on the media. Responsive to a determined moisture content of the media, the heater of the media conditioning assembly controls a temperature of the media, and the media conditioning assembly controls a speed of the media through the media conditioning assembly.

A method for cleaning a printed band of flexible material, in which at least one side printing ink comprises with a device. The device comprises a cleaning organ such as a brush roll, and the method the steps comprises of the contacting of the band which printing ink comprises with a cleaning liquid, and the removal of the printing ink which been brought into contact the cleaning liquid with the cleaning organ to obtain a cleaned band of flexible material.

Before the effective of adhered liquid getting rid of, comprises the device a pair of wiper blades into the direction of transport of the band remotely of one another are located and are for the removal of the cleaning liquid the band at an angle first via an uppermost wiper blade and subsequently via a lowermost wiper blade of the pair fed.

An ink drying method and device is provided for injection energy to overheated dry vapor in which saturated moisture vapor is heated and dried so as to miniaturize and cluster particles of the overheated dry vapor; apply impact energy to the clustered overheated dry vapor so as to further miniaturize the clustered particles of the overheated dry vapor and generate nano-size overheated dry vapor; and supply the nano-size overheated dry vapor in a supersaturated state into a chamber in which a substrate is placed to form an anoxic atmosphere within the chamber, infuse the nano-size overheated dry vapor into ink molecules and molecular boundaries in the anoxic atmosphere, and apply the energy of the nano-sized overheated dry vapor to the ink, so as to evaporate the moisture of the ink and degraded or reduced the organic solvent of the ink.

An ink drying method and device is provided for injection energy to overheated dry vapor in which saturated moisture vapor is heated and dried so as to miniaturize and cluster particles of the overheated dry vapor; apply impact energy to the clustered overheated dry vapor so as to further miniaturize the clustered particles of the overheated dry vapor and generate nano-size overheated dry vapor; and supply the nano-size overheated dry vapor in a supersaturated state into a chamber in which a substrate is placed to form an anoxic atmosphere within the chamber, infuse the nano-size overheated dry vapor into ink molecules and molecular boundaries in the anoxic atmosphere, and apply the energy of the nano-sized overheated dry vapor to the ink, so as to evaporate the moisture of the ink and degraded or reduced the organic solvent of the ink.

A cylinder for conveying printed sheets along a UV or electron beam drier has inert-gas openings to which an inert gas is supplied at least temporarily during operation. A method for conveying printed sheets is also provided.

There is described a printing press (100) comprising a printing group (2) adapted to apply on a substrate at least one ink or varnish vehicle containing magnetic or magnetisable flakes and at least one magnetic orientation unit (10) located downstream of the printing group (2) along a path of the substrate, which magnetic orientation unit (10) includes at least one magnetic-field-inducing device (12) adapted to orient the magnetic or magnetisable flakes contained in the ink or varnish vehicle applied on the substrate to induce an optically-variable effect in the ink or varnish vehicle. The printing press (100) further comprises a drying/curing unit (15) located along the path of the substrate and cooperating with the magnetic orientation unit (10), which drying/curing unit (15) is adapted to dry or cure the ink or varnish vehicle applied on the substrate following orientation of the magnetic or magnetisable flakes. The drying/curing unit (15) is mounted on a movable supporting structure (16) that is adapted to move the drying/curing unit (15) between a working position (WP), where the drying/curing unit (15) is cooperating with the magnetic orientation unit (10) and which is located proximate to the path of the substrate next to the magnetic orientation unit (10), and a retracted position (RP), where the drying/curing unit (15) is retracted away from the magnetic orientation unit (10) and from the path of the substrate.

A method of drying print agent is disclosed. The method comprises blowing hot air onto an absorbent printable medium that bears water- and/or solvent-based print agent to reduce the viscosity of the print agent and to promote absorption of at least some water and/or solvent in the print agent by the printable medium; and, subsequent to the blowing of hot air, irradiating the printable medium with ultraviolet radiation to dry the unabsorbed portion of print agent on the printable medium. A printer ink drying apparatus and a print apparatus are also disclosed.