https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734949#M802765 <P>更换过跟踪电缆吗？如果连跟踪电缆都换过，那主要就集中在主板上了。可以尝试下刷固件或者初始化管道试试。</P> Fri, 22 Nov 2013 13:44:59 GMT y2jis 2013-11-22T13:44:59Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734944#M802760 <P>一台T770 绘图仪 提示更换 MC 打印头。一、更换过几个打印头（打印头在T790 上测试能正常安装打印）。二、更换过新的笔架与打印头的软连接电缆（带触点的连接排线），用表测量新的连接排线，排线全部是通的。三、更换过笔架背板。四、更换打印头时检查墨盒都有足够的墨水（26毫升以上）。进行过这些操作，故障依旧。发布在此讨教各位。</P><P>g</P> Tue, 29 Oct 2013 07:27:46 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734944#M802760 shizh38 2013-10-29T07:27:46Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734945#M802761 <P>提示更换对应颜色打印头，可以把对应打印头拿出来，擦一下金属触点，再放回去，如果还有问题，或者是耗材自身问题，或者是笔架硬件问题。</P><P>要使用原厂耗材测试</P><P>如果问题依旧，建议联系当地维修中心检测硬件：</P><P><A target="_blank" href="http://www8.hp.com/cn/zh/support-drivers/esupport/ascpps.html">http://www8.hp.com/cn/zh/support-drivers/esupport/ascpps.html</A></P><P>&nbsp;</P> Tue, 29 Oct 2013 07:45:31 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734945#M802761 sukitakki 2013-10-29T07:45:31Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734946#M802762 使用的是原装耗材，触点都擦过的。笔架的相关部件都换过的。 Wed, 30 Oct 2013 02:56:55 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734946#M802762 shizh38 2013-10-30T02:56:55Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734947#M802763 <P>首先这个问题应该是不认打印头，某一个，碰到这种情况首先更换一套原装墨盒，然后对应的打印头，最后才考虑更换笔架。</P> Sat, 09 Nov 2013 06:52:12 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734947#M802763 一直走 2013-11-09T06:52:12Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734948#M802764 <P>不认头，头又确定是好的，以往的维修经验也就是笔架或电缆的问题</P> Wed, 20 Nov 2013 02:50:20 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734948#M802764 崔延鹏 2013-11-20T02:50:20Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734949#M802765 <P>更换过跟踪电缆吗？如果连跟踪电缆都换过，那主要就集中在主板上了。可以尝试下刷固件或者初始化管道试试。</P> Fri, 22 Nov 2013 13:44:59 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734949#M802765 y2jis 2013-11-22T13:44:59Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734950#M802766 <P>谢谢各位的关注和帮助，最后是更换过报错的打印头，机器回复正常了。笔架跟踪电缆等还是原来的。</P><P>机器维修过程中有个插曲，开机白屏，开机长时间无显示内容，听到电子模块里面有异常的声响，发现电子模块里面有老鼠的排泄物（尿），更换了主板，机器能正常显示了。</P> Mon, 25 Nov 2013 06:53:59 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734950#M802766 shizh38 2013-11-25T06:53:59Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734951#M802767 <P>我的Ｔ770也出现类似的现象，是让更换Ｇ－Ｐk，换了笔架背板，触点，数据线。好了。可是校准后打印线条纵向线条不直。</P> Mon, 08 Sep 2014 11:37:48 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734951#M802767 贾国华 2014-09-08T11:37:48Z https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734952#M802768 <P>这台机器后来又出现 不认打印头和重新安装打印头的提示，最后更换了 笔架背板，滴墨传感器和笔架跟踪电缆，以后再也没有出现类似问题了。</P> Fri, 26 Sep 2014 08:48:31 GMT https://h30471.www3.hp.com/t5/da-yin-ji-lao-tie-zi-gui-dang/T770-ti-shi-geng-huan-M-C-da-yin-tou-geng-huan-guo-duo-ge-bu-jian-gu-zhang-yi-jiu/m-p/734952#M802768 shizh38 2014-09-26T08:48:31Z