发明名称 |
Method of servicing a pen when mounted in a printing device |
摘要 |
A method of servicing a pen comprising a printhead, having a plurality of nozzles, mounted in an inkjet printing device, comprising a servicing area and a drop detector comprising the following steps performing a drop detection on the printhead to check if any of the nozzles of the printhead are malfunctioning; storing the result of the more recent drop detection operation, together with the results of the previous drop detections to keep a history of the health status of each nozzle; deciding whether or not to execute a recovery service in the servicing area to attempt to recover the current malfunctioning nozzles, based on the more recent status of the nozzles and on the history of the health status of the nozzles.
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申请公布号 |
US6814422(B2) |
申请公布日期 |
2004.11.09 |
申请号 |
US20020292047 |
申请日期 |
2002.11.12 |
申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY L.P. |
发明人 |
BRUCH XAVIER;GIRONES XAVIER;MURCIA ANTONI;TAYLOR CHRISTOPHER;VEGA RAMON |
分类号 |
B41J2/01;B41J2/125;B41J2/165;B41J2/18;B41J2/185;(IPC1-7):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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