摘要:
An ink jet apparatus includes an ink jet recording head having a housing, an ink container in the housing for containing ink, ejection outlets for ejecting the ink supplied from the ink container, and energy generating elements for generating energy contributable to the ejection of the ink through the ejection outlets, the housing being provided with a cavity. The ink jet recording head further comprises electric contacts for supplying the energy, the contacts being provided on a wall defining the cavity and a carriage on which the ink jet recording head is mounted, the carriage being provided with a contact member having electric contacts for electric coupling with the aforementioned contacts. The ink jet recording head is mounted on the carriage with the contact member being in the cavity. The housing is provided with a window extending from a cavity to permit observation of the contact member.
摘要:
A liquid injection recording apparatus having an orifice for discharging liquid and forming flying drops of liquid, a liquid flow path communicating with the orifice, and flying liquid drop forming means for forming flying drops of liquid from the orifice is provided with a discharge energy adjusting portion having a bubble generating portion communicating with the liquid flow path and means for causing bubbles to be generated in the bubble generating portion.
摘要:
In a liquid injection recording apparatus having discharge ports for discharging liquid and forming flying droplets, liquid flow paths communicating with the discharge ports, and energy generating means generating energy for causing the liquid to be discharged from the discharge ports, when the shortest length from the center line of the discharge ports to the central position of the energy acting surface of the energy generating means is a and the length from the center line of the discharge ports to the bottom surface of the liquid flow paths just beneath the center of the discharge ports is b, the value of a/b is 50 or less.
摘要:
A conveying platen is provided with a plurality of air circulation parts, each of which includes a long groove opened toward the conveying belt and formed in a longitudinal direction following a conveying direction, and a hole that penetrates in a thickness direction from a part of a bottom surface of the long groove. These air circulation parts are arrayed in the conveying direction and a width direction perpendicular to the conveying direction. The conveying platen has an opposed region which faces a nozzle surface. The long groove is provided in the opposed region. The hole is provided in a region other than the opposed region.
摘要:
An inkjet recording apparatus is provided, which includes a plurality of recording heads, a cap unit, waste ink container and communicating member. Each recording head includes a nozzle face with inkjet nozzles. The cap unit includes a plurality of first ink receiving members and a second ink receiving member. Each first ink receiving member is disposed below and corresponding to each recording head and has a first receiving portion receiving ink discharged from the inkjet nozzles and a first discharging hole discharging the received ink. The second ink receiving member is disposed below and corresponding to the first ink receiving members and has a second receiving portion that collectively receives the ink discharged through a plurality of first discharging holes and a second discharging hole. The communicating member connects the second discharging hole with an ink storage chamber of the waste ink container.
摘要:
An inkjet recording apparatus is provided, which includes a plurality of recording heads, a cap unit, waste ink container and communicating member. Each recording head includes a nozzle face with inkjet nozzles. The cap unit includes a plurality of first ink receiving members and a second ink receiving member. Each first ink receiving member is disposed below and corresponding to each recording head and has a first receiving portion receiving ink discharged from the inkjet nozzles and a first discharging hole discharging the received ink. The second ink receiving member is disposed below and corresponding to the first ink receiving members and has a second receiving portion that collectively receives the ink discharged through a plurality of first discharging holes and a second discharging hole. The communicating member connects the second discharging hole with an ink storage chamber of the waste ink container.
摘要:
An image forming apparatus is provided with a recording device for printing a recording medium, a conveyance unit arranged below the recording device to face the recording device and adapted to convey the recording medium, and an elevator for moving the conveyance unit upward and downward. The elevator includes an eccentric cam having an eccentrically located rotation axis line. The conveyance unit has a contact surface to be held in contact with the circumferential surface of the eccentric cam and is moved upward and downward by the rotation of the eccentric cam.
摘要:
A Raman amplifying device includes a plurality of Raman amplifiers having a gain wavelength characteristic with a gain peak at which an amplification gain becomes the largest, including a first Raman amplifier having a gain wavelength characteristic with a plurality of gain peaks including a first gain peak and a second gain peak adjacent to the first gain peak; a second Raman amplifier having a gain wavelength characteristic with at least one gain peak including a third gain peak between the first gain peak and the second gain peak; and a third Raman amplifier having a gain wavelength characteristic with a fourth gain peak between the first gain peak and the third gain peak, the fourth gain peak forming an arithmetic sequence between the first gain peak and the third gain peak.
摘要:
The present invention teaches and claims an image forming apparatus comprising: an image forming portion including one or more inkjet heads for forming an image on a recording medium by discharging ink from an ink discharge surface of the inkjet head; a recording medium transporting portion having a transport surface which is positioned below the ink discharge surface and on which the recording medium is placed for transporting a sheet to a position facing the ink discharge surface; a moving mechanism for moving the transport surface toward and away from the ink discharge surface; an ink discharge surface protecting mechanism including but not limited to a cap member and a driving device for moving the cap member; and a control unit for moving the transport surface away from the ink discharge surface to operate the ink discharge surface protecting mechanism when the recording medium is jammed during transportation of the recording medium.