https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1296143#M291379 <P>您好！</P><P>请清洁图中圈红位置和ADF进纸器里面试试，如果复印同样问题，多数清洁会有效果，如操作无效建议联系当地惠普授权维修中心检测，谢谢！</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1718950655938.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/108013i0E08CCC1B3888556/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1718950655938.png" alt="_0-1718950655938.png" /></span></P><P>&nbsp;</P> Fri, 21 Jun 2024 06:18:43 GMT 鱼柏卡 2024-06-21T06:18:43Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1295936#M291288 <P>HP7740一体机ADF输稿器扫描有黑线，已经擦拭了扫描窗，用灯光仔细照也没发现异常。</P><P>单面扫描有黑线。</P><P>双面扫描，仅第一页有黑线。</P><P>用平板扫描没有问题。</P><P>&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="单面扫描" style="width: 566px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/107950iFD83662F1C69CF59/image-size/large?v=v2&amp;px=999" role="button" title="单面.jpeg" alt="单面扫描" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">单面扫描</span></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="双面扫描1" style="width: 566px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/107951i2D6D1F6D21F11E7E/image-size/large?v=v2&amp;px=999" role="button" title="双面1.jpg" alt="双面扫描1" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">双面扫描1</span></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="双面扫描2" style="width: 566px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/107952i3E705AF6F7AD5BE8/image-size/large?v=v2&amp;px=999" role="button" title="双面2.jpg" alt="双面扫描2" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">双面扫描2</span></span></P><P>&nbsp;</P> Thu, 20 Jun 2024 02:16:40 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1295936#M291288 Gzc 2024-06-20T02:16:40Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1295940#M291289 <P>您好</P><P>如图所示：</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1718850185990.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/107953i1E260219172E7D4A/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1718850185990.png" alt="_0-1718850185990.png" /></span></P><P>麻烦清洁扫描玻璃条后，再重新测试扫描效果，谢谢。</P><P>&nbsp;</P> Thu, 20 Jun 2024 02:23:39 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1295940#M291289 双鱼座鲨鱼 2024-06-20T02:23:39Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1295947#M291291 <P>我上面说的擦拭扫描窗，就是你说的玻璃条。已经擦拭过了，也用灯光照了没有发现脏污。而且，用玻璃板扫描也没问题，就很奇怪！</P><P>&nbsp;</P><P>现在能确定是下面的ADF扫描仪产生的黑线对吧？</P> Thu, 20 Jun 2024 02:59:33 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1295947#M291291 Gzc 2024-06-20T02:59:33Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1296070#M291339 <P>您好！</P><P>可以测试进纸器装纸双面复印是否正常，如果问题一样，建议再清洁下小玻璃条对应盖子位置，将ADF打开盖子清洁下里面，谢谢！</P> Fri, 21 Jun 2024 01:23:31 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1296070#M291339 鱼柏卡 2024-06-21T01:23:31Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1296135#M291372 <P>是扫描文档正面的ADF扫描器的玻璃窗有脏污，下面的大玻璃板怎么打开清洁？</P> Fri, 21 Jun 2024 05:55:42 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1296135#M291372 Gzc 2024-06-21T05:55:42Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1296143#M291379 <P>您好！</P><P>请清洁图中圈红位置和ADF进纸器里面试试，如果复印同样问题，多数清洁会有效果，如操作无效建议联系当地惠普授权维修中心检测，谢谢！</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1718950655938.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/108013i0E08CCC1B3888556/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1718950655938.png" alt="_0-1718950655938.png" /></span></P><P>&nbsp;</P> Fri, 21 Jun 2024 06:18:43 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7740yi-ti-jiADF-shu-gao-qi-sao-miao-you-hei-xian/m-p/1296143#M291379 鱼柏卡 2024-06-21T06:18:43Z