Abstract: A printing apparatus includes a plasma treatment unit that performs plasma treatment on a surface of a treatment object to acidify at least the surface of the treatment object; and a recording unit that performs inkjet recording on the surface of the plasma treatment subjected to the plasma treatment by the plasma treatment unit.

Abstract: An image forming apparatus includes: a driving unit that feeds a treatment object; a pretreatment unit that performs pretreatment on a surface of the treatment object fed by the driving unit; a retaining unit that retains the treatment object on which the pretreatment has been performed in the pretreatment unit; an image forming unit that performs image formation on the treatment object after being retained in the retaining unit; and a drive control unit that controls the driving unit so as to return the treatment object from the retaining unit at least to the pretreatment unit if the treatment object has been retained in the retaining unit for a time longer than a predetermined time after being subjected to the pretreatment in the pretreatment unit, and to feed the treatment object on which the pretreatment has been performed again in the pretreatment unit to the retaining unit.

Abstract: A printing apparatus includes a plasma treatment unit that performs plasma treatment on a surface of a treatment object to acidify at least the surface of the treatment object; and a recording unit that performs inkjet recording on the surface of the plasma treatment subjected to the plasma treatment by the plasma treatment unit.

Abstract: An image forming apparatus includes: a driving unit that feeds a treatment object; a pretreatment unit that performs pretreatment on a surface of the treatment object fed by the driving unit; a retaining unit that retains the treatment object on which the pretreatment has been performed in the pretreatment unit; an image forming unit that performs image formation on the treatment object after being retained in the retaining unit; and a drive control unit that controls the driving unit so as to return the treatment object from the retaining unit at least to the pretreatment unit if the treatment object has been retained in the retaining unit for a time longer than a predetermined time after being subjected to the pretreatment in the pretreatment unit, and to feed the treatment object on which the pretreatment has been performed again in the pretreatment unit to the retaining unit.

Abstract: An image forming apparatus includes: a driving unit that feeds a treatment object; a pretreatment unit that performs pretreatment on a surface of the treatment object fed by the driving unit; a retaining unit that retains the treatment object on which the pretreatment has been performed in the pretreatment unit; an image forming unit that performs image formation on the treatment object after being retained in the retaining unit; and a drive control unit that controls the driving unit so as to return the treatment object from the retaining unit at least to the pretreatment unit if the treatment object has been retained in the retaining unit for a time longer than a predetermined time after being subjected to the pretreatment in the pretreatment unit, and to feed the treatment object on which the pretreatment has been performed again in the pretreatment unit to the retaining unit.

Abstract: A printing apparatus includes a plasma treatment unit that performs plasma treatment on a surface of a treatment object to acidify at least the surface of the treatment object; and a recording unit that performs inkjet recording on the surface of the plasma treatment subjected to the plasma treatment by the plasma treatment unit.

Abstract: An image forming apparatus includes: a driving unit that feeds a treatment object; a pretreatment unit that performs pretreatment on a surface of the treatment object fed by the driving unit; a retaining unit that retains the treatment object on which the pretreatment has been performed in the pretreatment unit; an image forming unit that performs image formation on the treatment object after being retained in the retaining unit; and a drive control unit that controls the driving unit so as to return the treatment object from the retaining unit at least to the pretreatment unit if the treatment object has been retained in the retaining unit for a time longer than a predetermined time after being subjected to the pretreatment in the pretreatment unit, and to feed the treatment object on which the pretreatment has been performed again in the pretreatment unit to the retaining unit.

Abstract: An inkjet recording device including a line engine including a plurality of recording heads that are aligned in a main scanning direction, in which an arbitrary one of the plurality of recording heads is replaceable. Each of the plurality of recording heads includes a head tank attached on the corresponding one of the plurality of recording heads. The head tank includes a supply port and a discharge port for ink. The head tanks that are adjacent to each other are connected by the respective discharge ports and the supply ports.

Abstract: An inkjet image forming apparatus which is provided with a line engine in which one or more recording heads are aligned in a main scanning direction and which has replacably configured an arbitrary one of the recording heads is disclosed. In the inkjet image forming apparatus, each of the recording heads includes a head tank mounted on the recording head, the head tank including a supply port and a discharge port for ink, the head tanks which are adjacent are mutually connected by a path in which the discharge port and supply port of the respective head tanks are coupled via a coupling unit, a path from the discharge port and a path to the supply port differ in an inner path diameter over the coupling unit, and the inner path diameter on the discharge port side is larger than the inner path diameter on the supply port side.

Abstract: A printing apparatus includes a plasma treatment unit that performs plasma treatment on a surface of a treatment object to acidify at least the surface of the treatment object; and a recording unit that performs inkjet recording on the surface of the plasma treatment subjected to the plasma treatment by the plasma treatment unit.

Abstract: An inkjet image forming apparatus which is provided with a line engine in which one or more recording heads are aligned in a main scanning direction and which has replacably configured an arbitrary one of the recording heads is disclosed. In the inkjet image forming apparatus, each of the recording heads includes a head tank mounted on the recording head, the head tank including a supply port and a discharge port for ink, the head tanks which are adjacent are mutually connected by a path in which the discharge port and supply port of the respective head tanks are coupled via a coupling unit, a path from the discharge port and a path to the supply port differ in an inner path diameter over the coupling unit, and the inner path diameter on the discharge port side is larger than the inner path diameter on the supply port side.

Abstract: An inkjet recording device including a line engine including a plurality of recording heads that are aligned in a main scanning direction, in which an arbitrary one of the plurality of recording heads is replaceable. Each of the plurality of recording heads includes a head tank attached on the corresponding one of the plurality of recording heads. The head tank includes a supply port and a discharge port for ink. The head tanks that are adjacent to each other are connected by the respective discharge ports and the supply ports.

Abstract: An image forming apparatus includes a recording head part configured to include plural heads configured to discharge liquid droplets and a head tank provided for the plural heads; a distribution member configured to distribute liquid to the respective heads of the recording head part via the head tank; a circulation path configured to return the liquid to the distribution member from the head tank of the recording head part; an air-liquid separation tank, provided in the circulation path, configured to separate air bubbles and the liquid; a circulation pump, provided in the circulation path, configured to send the liquid from the head tank to the distribution member; and a control part configured to control operations of removing air bubbles contained in the head tanks. The control part is configured to drive the circulation pump intermittently.

Abstract: An image forming apparatus includes plural heads each having a nozzle configured to discharge a droplet of a recording fluid; a distributing member to which the plural heads are attached, the distributing member having an inlet portion, a supply channel portion, and a common fluid chamber communicated with the inlet portion and configured to supply the recording fluid to the plural heads; and a fluid containing unit configured to supply the recording fluid to the distributing member via the inlet portion and the supply channel portion. The distributing member includes a flow-directing wall disposed between the supply channel portion and the common fluid chamber.

Abstract: A liquid container includes a liquid containing member configured to contain liquid to be supplied to a recording head for jetting liquid droplets, the liquid containing member having flexibility; and an outer container configured to accommodate the liquid containing member. The liquid containing member includes a liquid supply opening, and a side of the liquid containing member opposite to the liquid supply opening is fixed to an inner surface of the outer container.

Abstract: An image-forming apparatus includes a recording head configured to eject ink droplets, a transport belt disposed facing the recording head and configured to transport a sheet, a suction mechanism to suctionally attract the sheet to the transport belt, a release mechanism configured to change a position of the transport belt between a home position close to the recording head and a release position away from the recording head, and a control mechanism configured to control transport and discharge of the sheet. The control mechanism, is configured to move the transport belt from the home position to the release position with the sheet being attracted to the transport belt when the control mechanism detects a sheet jam, rotate the transport belt in a direction in which the sheet is transported at the release position, and then discharge the sheet from the transport belt.

Abstract: An image forming apparatus includes a recording head part configured to include plural heads configured to discharge liquid droplets and a head tank provided for the plural heads; a distribution member configured to distribute liquid to the respective heads of the recording head part via the head tank; a circulation path configured to return the liquid to the distribution member from the head tank of the recording head part; an air-liquid separation tank, provided in the circulation path, configured to separate air bubbles and the liquid; a circulation pump, provided in the circulation path, configured to send the liquid from the head tank to the distribution member; and a control part configured to control operations of removing air bubbles contained in the head tanks. The control part is configured to drive the circulation pump intermittently.

Abstract: A cement kiln from which its brick lining has been removed, or a rotary dryer for cement production is used as a fermentation treatment apparatus 202 for converting waste matter into compost. The waste matter to be subjected to the fermentation treatment includes city waste contained in garbage bags, and its fermentation treatment is carried out by introducing the waste matter directly into the aforesaid cement kiln or the aforesaid rotary dryer for cement production without tearing the aforesaid garbage bags.

Abstract: A liquid container includes a liquid containing member configured to contain liquid to be supplied to a recording head for jetting liquid droplets, the liquid containing member having flexibility; and an outer container configured to accommodate the liquid containing member. The liquid containing member includes a liquid supply opening, and a side of the liquid containing member opposite to the liquid supply opening is fixed to an inner surface of the outer container.

Abstract: An image forming apparatus includes plural heads each having a nozzle configured to discharge a droplet of a recording fluid; a distributing member to which the plural heads are attached, the distributing member having an inlet portion, a supply channel portion, and a common fluid chamber communicated with the inlet portion and configured to supply the recording fluid to the plural heads; and a fluid containing unit configured to supply the recording fluid to the distributing member via the inlet portion and the supply channel portion. The distributing member includes a flow-directing wall disposed between the supply channel portion and the common fluid chamber.