发明名称 |
Printing apparatus, control method therefor, printhead control circuit, and printhead driving method |
摘要 |
A printing apparatus having a printhead for printing by discharging liquid on a printing medium performs a toggle preliminary discharge operation of alternately performing discharge from main nozzles and dummy nozzles in order to establish a good discharge state of the liquid from the main nozzles. The main nozzles and the dummy nozzles communicate with liquid chambers, which in turn communicate with a common liquid chamber. A control circuit for the printhead and a control method are also provided.
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申请公布号 |
US7252362(B2) |
申请公布日期 |
2007.08.07 |
申请号 |
US20040002949 |
申请日期 |
2004.12.03 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
KATSU TAKUJI;NAKAYAMA TORU;HAMASAKI YUJI;KAWATOKO NORIHIRO;SAKAMOTO ATSUSHI |
分类号 |
B41J2/01;B41J2/165 |
主分类号 |
B41J2/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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