A thermal head includes a substrate, an electrode, and a gap. The electrode is located on the substrate. The gap is located between the substrate and the electrode. The thermal head contains glass in an inner portion of the gap.

A thermal print head includes: a head substrate on which a plurality of heating resistance units are formed; a heat sink thermally connected to the head substrate, a recess being formed in a back surface of the heat sink which faces a surface to which the head substrate is connected; a metal member arranged in the recess; and an adhesive arranged between a bottom surface of the recess and the metal member. The recess viewed from a direction perpendicular to the back surface includes: an area where the metal member is arranged, and a groove area where the metal member is not arranged. A portion of the adhesive is arranged in the groove area.

A recording device includes a recording unit configured to perform recording on a medium, and a discharge tray located above the recording unit in a height direction of the recording device and configured to support the medium discharged after recording is performed thereon, and a flow path of air for cooling a cooling target is formed along a lower surface of the discharge tray. The recording unit is an example of the cooling target.

An inkjet printing apparatus includes: a stage on which a substrate is disposed; an inkjet head disposed above the stage and spraying ink on the substrate; an ink storage that stores the ink; a first link pipe connecting the ink storage and the inkjet head and supplying the ink from the ink storage to the inkjet head; a second link pipe connecting the ink storage and the inkjet head and collecting a portion of the ink from the inkjet head to the ink storage; and a temperature controller including a cooler and a heater disposed respectively in opposite sides thereof. The portion of the ink remains in the inkjet head after the ink is ejected from the inkjet head on the substrate, the first link pipe is disposed on the heater of the temperature controller, and the second link pipe is disposed on the cooler of the temperature controller.

A recording device includes a recording unit configured to perform recording on a medium, and a discharge tray located above the recording unit in a height direction of the recording device and configured to support the medium discharged after recording is performed thereon, and a flow path of air for cooling a cooling target is formed along a lower surface of the discharge tray. The recording unit is an example of the cooling target.

The present disclosure provides a printer apparatus including a thermoelectric cooling assembly and a processor coupled to the thermoelectric cooling assembly. The thermoelectric cooling assembly includes a thermoelectric cooling element that includes a first substrate, a second substrate, and a first plurality of semiconductor elements electrically coupled to a second plurality of semiconductor elements in a space between the first substrate and the second substrate. The thermoelectric cooling element includes a base plate electrically coupled to the first substrate. The base plate is positioned proximate to a plurality of labels traversing above the thermoelectric cooling assembly. The processor receives sensor signals indicative of a temperature of a label that comes in contact with the thermoelectric cooling assembly, compares the temperature of the label with a threshold temperature, and generates an output signal indicative of current supplied to the thermoelectric cooling element to adjust the temperature of the thermoelectric cooling element.

A thermal print head includes: a substrate; a resistor layer supported by the substrate and including a plurality of heat generating portions arranged in a main scanning direction; a wiring layer supported by the substrate and forming an energizing path to the plurality of heat generating portions; and an insulating layer interposed between the substrate and the resistor layer, wherein the substrate has a cavity portion overlapping the plurality of heat generating portions when viewed in a thickness direction of the substrate.

The present disclosure provides a printer apparatus including a thermoelectric cooling assembly and a processor coupled to the thermoelectric cooling assembly. The thermoelectric cooling assembly includes a thermoelectric cooling element that includes a first substrate, a second substrate, and a first plurality of semiconductor elements electrically coupled to a second plurality of semiconductor elements in a space between the first substrate and the second substrate. The thermoelectric cooling element includes a base plate electrically coupled to the first substrate. The base plate is positioned proximate to a plurality of labels traversing above the thermoelectric cooling assembly. The processor receives sensor signals indicative of a temperature of a label that comes in contact with the thermoelectric cooling assembly, compares the temperature of the label with a threshold temperature, and generates an output signal indicative of current supplied to the thermoelectric cooling element to adjust the temperature of the thermoelectric cooling element.

A thermal printing apparatus includes a frame, an endless ribbon to transport ink on its outer face, a coating device to coat the endless ribbon with ink, a printhead to print by thermal transfer a substrate with a part of the ink, a plurality of first rollers supporting and transporting the endless ribbon by its inner face along a path from the coating device to the printhead and from the printhead to the coating device in a cyclic manner, at least one first conveyor arranged to support the inner face of the endless ribbon between two adjacent first rollers along its path from the coating device to the printhead; the first conveyor including a plate fixed in translation and rotation with the frame and having a first convex surface supporting the inner face, a heat exchanger designed to cool down the first surface of the plate at a predefined temperature.

An image forming system includes an image forming unit configured to form a toner image on a recording material; a fixing device configured to fix the toner image on the recording material on which the toner image is formed by the image forming unit; a first cooling unit capable of cooling the recording material passing through the fixing device; a second cooling unit capable of cooling the recording material passing through the first cooling unit; and a control unit configured to carry out control so that during execution of an image forming job, the image forming job is stopped when both the first cooling unit and the second cooling unit are out of order and is continued when only one of the first cooling unit and the second cooling unit is out of order.