摘要:
A device for holding a sheetlike article on a movable underlying surface for transporting the sheetlike article in at least one direction selected from the group consisting of a direction into and a direction out of an operating station having a printing unit, includes a member having a surface underlying the sheetlike article, the sheetlike article being retainable by pneumatic pressure on the surface, a screening device disposed locally fixedly with respect to an operating station, the screening device serving for reducing an airflow in a region of the printing unit at least with respect to adjacent regions, the reduction in the airflow resulting from the sheetlike article being held on the underlying surface.
摘要:
In a four pen ink jet printer comprising cyan, yellow, magenta, and black inks, a clear liquid is applied to printed ink on a print medium via a fifth pen, thereby fixing the colorants, which in turn improves the durability of the printed ink. The clear fixer fluid comprises at least one organic acid and, optionally, a salt of at least one polymeric acid.
摘要:
A printing press comprises transport means for transporting a printed sheet to a delivery unit, face-side and reverse-side UV devices for drying an ultraviolet curing ink printed on the sheet transported by the transport means, and a printing quality checking apparatus for checking the printed surfaces of the sheet transported by the transport means. Face-side and reverse-side checking cameras of the printing quality checking apparatus are provided at positions where the face-side and reverse-side checking cameras are not affected by heat and/or light from the face-side and reverse-side UV devices. The printing quality checking apparatus can reliably prevent improper operation and wrong detection of the face-side and reverse-side checking cameras without being adversely affected by heat or light from the face-side and reverse-side UV devices.
摘要:
An ink-jet image recording method is disclosed. In the method and image is formed by jetting ink on an ink-jet recording medium having an ink absorption layer and optionally a layer provided the ink absorption layer on resin coated paper, in which the outermost layer comprises an aqueous emulsion of thermoplastic resin particles synthesized in the presence of polyvinyl alcohol as a protective colloid for emulsion polymerization, and the recording medium is treated by heat.
摘要:
A printer apparatus comprising one or more printing elements arranged to print on print media in a print zone and a transport path arranged to transport printed sheets from the print zone to an output position, the apparatus further comprising a scanner arranged to scan a printed sheet, and diverting means arranged to selectively divert a printed sheet to the scanner, the scanner being located such that the apparatus may continue to print and transport sheets to the output position during the scanning process.
摘要:
Accurate advance of a media sheet is achieved by carrying the media sheet on a belt loop. An upstream pinch roller holds the media sheet to the belt upstream of the print zone. A downstream pinch roller holds the media sheet to the belt downstream of the print zone. A guide shim extends along the media path from a position upstream of the upstream pinch roller, passed the upstream pinch roller toward the print zone. The guide shim advances with the bottom edge of the media sheet into the print zone to stabilize the trailing edge so as to allow for a smaller minimum bottom margin.
摘要:
At least two or more than two ink-jet recording heads provided with respective discharge ports for discharging ink are arranged in the direction of conveyance of recording medium. The inks filled in the respective ink-jet recording heads are made to show different surface tensions. With this arrangement, as inks are discharged onto the recording medium that is conveyed by a conveyor under the control of a drive section, the image formed by the inks discharged onto the recording medium shows an improved quality.
摘要:
A water base ink for ink-jet recording, which is usable for an ink-jet recording apparatus having an ink-jet head provided therein with an ink flow passage formed of nickel or nickel alloy, includes a coloring agent, water, and a water-soluble organic solvent. The ink is blended so that a current density, which is obtained within an electric potential range of −600 to +300 mV, is not more than 100 &mgr;A/cm2 when anodic polarization measurement is performed by using a reference electrode of silver/silver chloride, a counter electrode of platinum, and a working electrode of nickel or nickel alloy. The ink does not corrode any part for constituting the flow passage in the ink-jet head.
摘要翻译:用于喷墨记录的水性墨水,其可用于具有其中设置有由镍或镍合金形成的墨流道的喷墨头的喷墨记录装置,包括着色剂,水和水 - 可溶性有机溶剂。 将油墨混合,使得当在-600〜+ 300mV的电位范围内获得的电流密度不大于100μA/ cm 2,当通过使用银的参比电极进行阳极极化测量时 /氯化银,铂电极和镍或镍合金的工作电极。 油墨不会腐蚀用于构成喷墨头中的流路的任何部分。
摘要:
An ink for ink-jet recording consisting essentially of a water-soluble solvent, a pigment, and a compound represented by the following general formula (1): wherein AO represents oxyalkylene group, R represents alkyl group, and m and n represent natural numbers, respectively. It is possible to effectively suppress the feathering and the bleeding.
摘要:
In franking machines (1), the printing head (2) of a printing mechanism (3) is susceptible to interference by dust particles, which are introduced by the transport of the objects to be mailed such as letters, postcards, and printed matter and by the objects themselves. It is therefore proposed that a suction air or compressed air device (9) be installed in the franking machine (1) at least in the area near the printing head (2) to protect it from dust-like foreign materials, etc.