三星SCX-4521F打印机反复重启打开电源，显示预热，预热一会戛然而止，然后显示INITIALI？ 三星SCX-4521F打印机反复重启打开电源，显示预热，预热...
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http://www.samsung.com.cn/pre-booking\u3010\u6458\u8981\u3011
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2需要更换新的电源板
3或者维修旧电源板
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