| 摘要 |
PROBLEM TO BE SOLVED: To prevent an erroneous detection of print data on a print head side caused by cross-talk noises from occurring, to prevent an erroneous control on controlling the temperature of a print head from occurring, and to prevent the print head from coming out of order. SOLUTION: Whether the same nozzle is driven at a plurality of times or not is judged, and when it is judged that the same nozzle is driven, it is avoided that a nozzle driving signal is transmitted to the print head. A substrate near the print head is equipped with a circuit for performing this processing. COPYRIGHT: (C)2009,JPO&INPIT
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