Abstract:
An example printing apparatus in accordance with the present disclosure may comprise a platen (10) on which print media may advance and which may comprise a hole (20) that is open towards a print media advance surface and in fluid communication with a vacuum source (40) and with a pressure sensor (50). In implementations of the apparatus a control unit (60) may detect the presence of print media at the hole (20) if the pressure sensor (50) measures an air pressure below a predetermined threshold.
Abstract:
A method and apparatus for calibrating a vacuum system in a printing device comprising obtaining a reference pressure value for a print zone of the printing device, measuring a calibration pressure value in the print zone of the printing device when the printing device is at an operating location and the vacuum system is in operation, determining an altitude based on the reference pressure value and the calibration pressure value and applying an operating setting to the vacuum system based on the determined altitude.
Abstract:
A delivery system is used for delivering printed sheets which can be fed in a region of an inlet side of a delivery device. The delivery device includes at least one first discharge station and one second discharge station which is mounted downstream of the first discharge station, which is upstream in the transport path. The delivery stations are associated respectively with a format or transport-relevant device which can be controlled by a drive including a control element for adapting or correcting the guiding and delivery of the sheets in the relevant discharge station. At a delivery device level upstream of a lateral inlet in a stacking space of the upstream second discharge station, at least one operator interface, with at least one actuating device is provided. The at least one actuating device can be permanently connected to a signal or can be activated by an additional actuating device, with the control element of the at least one format- or transport-relevant device of the first discharge station and which allows or which can allow, during actuation, the control element of the system of the first discharge station which can vary with regard to the format- or transport-relevant size format, to be controlled.
Abstract:
Imaging apparatus and methods for bindery systems are disclosed. An example method includes engaging a signature assembly with an end of a separator to cause 1) a first page of the signature assembly to be disposed on a platform and 2) a second page of the signature assembly to be disposed on the side of the platform; drawing the first page toward the platform; and imaging the first page when the first page is on the platform.
Abstract:
A sheet conveying device includes a conveyance belt, a conveyance plate, an air intake portion, and a charging portion. The conveyance belt has a plurality of belt openings formed in a previously-set suction attraction region in end portions thereof in a width direction perpendicular to a conveyance direction of a sheet, and conveys the sheet. The conveyance plate has a plurality of platen openings formed therein at positions corresponding to the belt openings in the width direction, and is disposed on a back surface side of the conveyance belt. The air intake portion suctions air through the belt openings and the platen openings from the back surface side of the conveyance plate. The charging portion charges a previously-set electrostatic attraction region in a center portion in the width direction of the conveyance belt.
Abstract:
A paper sheet taking-out and separating device according to an embodiment includes a first take-out part, a guide part, a second take-out part and a separation part. The first take-out part takes, by suction, a forefront paper sheet out of a plurality of stacked paper sheets and sends out the paper sheet toward a sending-out direction. The guide part guides the sending out of the paper sheet by the first take-out part. The second take-out part sucks the paper sheet sent out by the first take-out part and sends out the paper sheet toward the sending-out direction. The separation part separates a plurality of the paper sheets sent out in an overlapping manner by the first take-out part. The first take-out part and the second take-out part are positioned spaced apart from each other on opposite sides of the guide part with a predetermined distance therebetween in the sending-out direction.
Abstract:
A suction control apparatus is adapted to be used in a packaging machine for conveying and packaging a belt-shaped film while the film is being suctioned by a suction-type film conveyor. The suction control apparatus includes a proper vacuum-degree determination section and a vacuum-degree control unit. The proper vacuum-degree determination section is configured and arranged to determine a proper degree of vacuum of the suction-type film conveyor, which is less than a reference value set in advance. The vacuum-degree control unit is configured to set the degree of vacuum to a first value corresponding to the proper degree of vacuum determined by the proper vacuum-degree determination section.
Abstract:
A sheet conveyance device includes a support unit that supports a sheet; plural suction ports placed on the support unit; a suction unit that suctions the sheet toward the support unit, the suction unit being connected to the plural suction ports; plural valve systems, each valve system being placed between the corresponding suction port and the suction unit, each valve system being openable and closeable; plural valve interlocked suction ports that are to be covered by the sheet when the sheet is conveyed, the plural valve interlocked suction ports being arranged separately from the plural suction ports; and plural opening and closing units that open and close the plural valve systems, each opening and closing unit being placed between one of the valve interlocked suction ports and one of the valve systems.
Abstract:
A sheet feeding apparatus and an image forming apparatus which can certainly feed sheets without being influenced by an aging change of fan characteristics are provided. An air is blown to sheets stacked on a tray by an air blowing mechanism having a plurality of fans which are independently rotated, thereby loosening the sheets. Prior to starting the feeding of the sheet, rotational speeds of the fans of the air blowing mechanism are controlled so as to be set to target rotational speeds which have been preset every plural fans so that a wind pressure which can loosen the sheets in the driving state of all fans is obtained.
Abstract:
The invention relates to a separator device (18) comprising a passage zone (40) through which the articles pass and which extends between drive means (20, 30), retaining means (24, 34) for retaining an article relative to another article, and suitable for separating them mutually, control means suitable for activating and deactivating, independently, each first and second drive means (20, 30), and each first and second retaining means (24, 34). The drive means (20, 30) are distant from each other so as to define the passage zone (40), and the retaining means (24, 34) are suitable for exerting substantially transverse forces in opposite directions, so as to suck at least one article against corresponding drive means. The invention also relates to a method of controlling the above-mentioned separator device (18), and to a postal sorting machine including such a separator device (18).