Printing method and printer with failure compensation
AssigneeOce-Technologies B.V.
InventorJohannes P.H. Oyen
Life of this patent
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Abstract
A printer including a transport system for a recording medium, a printhead containing a plurality of print units each of which being capable of printing a pixel line when the printhead is scanned over the recording medium, and a failure compensation unit for controlling the print operation such that a failure of a print unit is compensated, wherein a segmentation unit is provided for dividing an image to be printed into segments containing different types of image information, and wherein the failure compensation unit includes a memory for storing a plurality of compensation strategies and a controller for selecting one of said compensation strategies in accordance with the segment to be printed.
Claims14
A printing method using a printhead containing a plurality of print units, each being capable of printing a pixel line when the printhead is scanned over a recording medium, wherein the printing method is controlled to compensate for a failure of a print unit, which comprises
- storing a plurality of failure compensation strategies,
- dividing an image to be printed into segments containing different types of image information, and
- selecting different ones of the stored compensation strategies for printing different segments of the image.
A printer comprising a transport system for a recording medium, a printhead containing a plurality of print units each of which being capable of printing a pixel line when the printhead is scanned over the recording medium, and a failure compensation unit for controlling the print operation such that a failure of a print unit is compensated, wherein a segmentation unit is provided for dividing an image to be printed into segments containing different types of image information, and wherein the failure compensation unit comprises a memory for storing a plurality of compensation strategies and a controller for selecting one of said compensation strategies in accordance with the segment to be printed.
Dependencies are inferred from the claim text.