富士通dpk890t開(kāi)機(jī)燈全亮原因
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富士通dpk890t開(kāi)機(jī)燈全亮本來(lái)的故障是斷針的，然后就換了個(gè)打印頭，換完后燈就全亮了，打印頭有噠！噠聲。然后又換回原來(lái)的打印頭，故障依舊，最后把排線也換了，還是不行，什么情況維修手冊(cè),故障代碼,技術(shù)通報(bào)
1、安裝新頭前要測(cè)量線圈是否良好，可能頭有短路燒驅(qū)動(dòng)芯片了
2、打印頭反燒主板上驅(qū)動(dòng)芯片，再換時(shí)應(yīng)該一起換，單換一個(gè)燒另一個(gè)
3、倒霉，只能跟說(shuō)修不了了
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