| 摘要 |
PROBLEM TO BE SOLVED: To provide an inkjet printer which can adapt to not only an increase or decrease in the brightness of an end of a lighting panel but also various types of changes in brightness, and which can adapt to an aged deterioration in the illuminance of a light source. SOLUTION: This inkjet printer comprises: a mask buffer for storing mask data of a plurality of density patterns for changing a printing density in a sub-scanning direction; a mask buffer for storing a mask of a plurality of density patterns for changing a printing density in a main-scanning direction; a mask control part for changing the density in the sub-scanning direction by performing switching between the mask buffers in each scanning; and a mask control part for changing the density in the main-scanning direction by performing switching between the mask buffers during each scanning. COPYRIGHT: (C)2006,JPO&NCIPI
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