https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305468#M294174 <P>hp m439n 纸张第一面打印没问题&nbsp; 但反过来打双面时&nbsp; 出纸头部带脏&nbsp; 有墨粉黑黑的&nbsp; 不用纸盒用侧面打印2个面都好&nbsp; 不带脏</P><P>&nbsp;</P> Wed, 21 Aug 2024 05:34:29 GMT jtg3223 2024-08-21T05:34:29Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305468#M294174 <P>hp m439n 纸张第一面打印没问题&nbsp; 但反过来打双面时&nbsp; 出纸头部带脏&nbsp; 有墨粉黑黑的&nbsp; 不用纸盒用侧面打印2个面都好&nbsp; 不带脏</P><P>&nbsp;</P> Wed, 21 Aug 2024 05:34:29 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305468#M294174 jtg3223 2024-08-21T05:34:29Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305474#M294176 <P>您好</P><P>有条件可以换80g纸测试。</P><P>如果问题依旧，打印单面后，建议将打印过单面的纸张放置2小时以上后，再重新打印另一面测试，谢谢。</P><P>&nbsp;</P> Wed, 21 Aug 2024 05:51:31 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305474#M294176 双鱼座鲨鱼 2024-08-21T05:51:31Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305479#M294179 <P>那为什么放侧面打印就可以&nbsp; 不用等2小时以后呢？&nbsp; 放侧面可以打印第一面后&nbsp; 手动放反面直接打印第二面&nbsp; 而且不带脏</P><P>&nbsp;</P> Wed, 21 Aug 2024 06:07:42 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305479#M294179 jtg3223 2024-08-21T06:07:42Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305633#M294228 <P>您好</P><P>以上问题，主要和静电有关。</P><P>可以尝试两面都用侧纸盒打印，试试打印效果。</P><P>&nbsp;</P> Thu, 22 Aug 2024 02:53:36 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hp-m439n-zhi-zhang-chu-zhi-tou-bu-dai-mo-fen/m-p/1305633#M294228 双鱼座鲨鱼 2024-08-22T02:53:36Z