| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming apparatus to save toner and a method to control the same to increase the readability of printed letters while achieving toner saving and also to provide a printout having sharp details. SOLUTION: The image forming apparatus includes a determinator, a storage unit, and a halftoning processor. The determinator receives a command signal to print and then determines whether or not the received command signal is a command signal for a toner saving mode. The storage unit stores a halftone table in which an LPI (Lines Per Inch) higher than a normal LPI is set. If the received command signal is a command signal for the toner saving mode, the halftoning processor generates and outputs halftoning result by comparing gray level values corresponding to pixels of received input image data with grayscale values of the stored halftone table. COPYRIGHT: (C)2008,JPO&INPIT
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