Apparatus for and method of compensating for image quality of inkjet printer
AssigneeSamsung Electronics Co., Ltd.
InventorSeung-don Lee
Life of this patent
Estimating the term…
Abstract
A method of compensating for image quality of an inkjet printer includes selecting one of combinations of a plurality of shingling modes controlling shingling characteristics of image data and a plurality of printed data generating modes, which are set separately from the shingling modes, controlling other characteristics of image data except the shingling characteristics. Therefore, deterioration of the image quality due to a defective nozzle can be compensated without replacing an ink cartridge.
Claims33
A method of compensating for image quality of an inkjet printer, the method comprising:
- selecting one of combinations of a plurality of shingling modes controlling shingling characteristics of image data and a plurality of printed data generating modes, which are set separately from the shingling modes, and controlling other characteristics of the image data except the shingling characteristics.
A method of compensating for image quality of an inkjet printer having a printhead and nozzles in an image forming system, the method comprising:
- selecting one of combinations of a plurality of shingling modes to control a shingling characteristic of image data and a plurality of data generating modes, which are set separately from the shingling modes;
- and
- printing the image data on a sheet in accordance with the selected one of the shingling modes.
A method of compensating for image quality of an inkjet printer having a printhead and nozzles in an image forming system, the method comprising:
- selecting one of a plurality of shingling modes to control a shingling characteristic of image data;
- and
- printing the image data on a sheet in accordance with the selected one of the shingling modes,
- wherein the selecting of the one of the shingling modes comprises:
- selecting a printing speed corresponding to the selected one of the shingling modes;
- and
- printing the image data in response to one of the selected printing speed and the selected one of the shingling modes.
A method of compensating for image quality of an inkjet printer having a printhead and nozzles in an image forming system, the method comprising:
- selecting one of a plurality of shingling modes to control a shingling characteristic of image data;
- and
- printing the image data on a sheet in accordance with the selected one of the shingling modes,
- wherein the printhead comprises a defective nozzle corresponding to a defective raster and a normal nozzle corresponding to a normal raster, and the printing of the image data comprises:
- first printing a line having the defective raster and the normal raster on a sheet with the defective nozzle and the normal nozzle in a main scanning direction;
- and
- second printing a compensated raster on the defective raster of the sheet with the normal nozzle in the main scanning direction after the line is first printed in accordance with the selected one of the shingling modes before printing a next line with the defective nozzle and the normal nozzle of the printhead.
A method of compensating for image quality of an inkjet printer having a printhead and nozzles in an image forming system, the method comprising:
- selecting one of a plurality of shingling modes to control a shingling characteristic of image data;
- and
- printing the image data on a sheet In accordance with the selected one of the shingling modes,
- wherein the system further comprises a plurality of printed data generating modes other than the shingling modes, and the selecting of the one of the shingling mode and the printing of the image data comprise:
- selecting one of the printed data generating modes corresponding to the selected one of the shingling modes;
- and
- printing the image data on the sheet in response to the selected one of the shingling modes and the selected one of the printed data generating modes.
An apparatus for compensating for an image quality in an inkjet printer, comprising:
- a selecting module selecting one of combinations of a plurality of shingling modes to control a shingling characteristic of image data and one of a plurality of data generating modes, which are separately set from the shingling modes;
- and
- a printhead printing the image data on a sheet in accordance with the selected one of the shingling modes.
An apparatus for compensating for an image quality in an inkjet printer, comprising:
- a shingling module selecting one of a plurality of shingling modes to control a shingling characteristic of image data;
- and
- a printhead printing the image data on a sheet in accordance with the selected one of the shingling modes,
- wherein the printhead comprises a normal nozzle and a defective nozzle corresponding to a normal raster and a defective raster, respectively, and the printhead first prints a line having the normal raster and the defective raster and second prints a compensated raster on the detective raster of the sheet with the normal nozzle in response to the selected one of the shingling modes before printing a next line.
Dependencies are inferred from the claim text.