发明名称 Image forming apparatus
摘要 An ink jet printer includes heads for jetting ink of yellow, magenta, cyan and black, and a head for jetting ink lower in tone than the aforementioned ink. The voltage applied to a head can be changed to change the size of a dot to be printed. Tone control can be provided depending on the tone of ink and dot size to improve image quality.
申请公布号 US6682170(B2) 申请公布日期 2004.01.27
申请号 US19980054592 申请日期 1998.04.03
申请人 MINOLTA CO., LTD. 发明人 HOTOMI HIDEO;ASANO MASAKI
分类号 B41J2/21;(IPC1-7):B41J2/21;B41J2/205;B41J29/38 主分类号 B41J2/21
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