Color ink-jet printing with fast-and-slow-drying inks

Incremental printing of symbolic information – Ink jet – Ejector mechanism

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Details

347100, 347102, B41J 221

Patent

active

055701183

ABSTRACT:
An apparatus for printing a multicolor image on a sheet movable along a sheet path in a process direction. The apparatus includes a first printhead mounted at a first location along the sheet path and containing a first type ink for printing a first portion of the image on the sheet in which the first type ink has a surface tension greater than 40 dynes/cm at room temperature. The apparatus also includes a set of secondary printheads mounted along the sheet path and separated a small gap from the first printhead. The set of secondary printheads each contains a secondary type ink for printing a secondary portion of the multicolor image on the sheet, and each of the secondary type ink has a surface tension less than 40 dynes/cm at room temperature.

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