https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/845116#M216255 <P>您好</P><P>建议您尝试清洁打印机测试一下。应该是打印机堵塞造成的。</P> Mon, 09 Oct 2017 02:45:58 GMT 双鱼座鲨鱼 2017-10-09T02:45:58Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843681#M216095 <P>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;HP OfficeJet Pro 7740&nbsp;实际打印的时候每隔一段距离就有一条整齐的白线，我查找了支持里的资料，说是打印头扫完一行换行的距离不准导致有间隙。打印质量诊断页的测试图2显案示有白色间隙，提示校准换行。</P><P>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;但是实际上打印助手的维护打印机里，只有校准打印头和清洁功能，没有校准换行。打印机液晶屏面板设置里也没有这项校准换行。</P><P>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;请问老师如何处理？或者校准换行在哪里设置</P> Wed, 27 Sep 2017 14:07:50 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843681#M216095 惟吾德馨 2017-09-27T14:07:50Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843714#M216104 <P>您好</P><P>校准方法：</P><P>a. 在纸盒中放入未使用的 letter 或 A4 普通白纸。<BR />b. 根据操作系统的不同，请执行以下操作之一以打开 打印机软件：<BR />c. 在打印机软件中，单击打印、扫描和传真，然后单击维护打印机以访问打印机工具箱。<BR />d. 在打印机工具箱中，单击设备服务选项卡上的校准墨盒。 打印机打印校准页。<BR />e. 将墨盒校准页打印面朝下放在扫描仪玻璃板的右前角。<BR />f. 按照打印机显示屏上显示的说明校准墨盒。</P><P>如果问题依旧，需要更换新墨盒。</P> Thu, 28 Sep 2017 02:38:06 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843714#M216104 双鱼座鲨鱼 2017-09-28T02:38:06Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843821#M216126 <P>谢谢答复，但是我按你的操作，把校准页放到右前角无反应，屏幕上点OK，也不见什么反应，是我操作不对？校准页是短边在上，还是长边在上？</P> Thu, 28 Sep 2017 14:06:33 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843821#M216126 惟吾德馨 2017-09-28T14:06:33Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843823#M216127 <P>我长边和短边放右上角，都没反应，左上角也试过</P> Thu, 28 Sep 2017 14:39:06 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843823#M216127 惟吾德馨 2017-09-28T14:39:06Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843852#M216132 <P>您好</P><P>方便把每一步的操作，拍照发给我吗？</P><P>注：校准过程中需要按照打印机屏幕提示操作。</P> Fri, 29 Sep 2017 01:26:18 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/843852#M216132 双鱼座鲨鱼 2017-09-29T01:26:18Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/844989#M216234 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="打印有白条" style="width: 338px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/24892iD4EF2470E97FD266/image-size/large?v=v2&amp;px=999" role="button" title="图片20171008152303.jpg" alt="打印有白条" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">打印有白条</span></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="打印质量测试页，图案2提示校准换行" style="width: 600px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/24893i48F9324E7F4C3E6F/image-size/large?v=v2&amp;px=999" role="button" title="20171008_095539.jpg" alt="打印质量测试页，图案2提示校准换行" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">打印质量测试页，图案2提示校准换行</span></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="工具箱里的设置仅有校准打印头，清洁" style="width: 338px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/24896i52B85EE155E0101A/image-size/large?v=v2&amp;px=999" role="button" title="图片20171008153435.jpg" alt="工具箱里的设置仅有校准打印头，清洁" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">工具箱里的设置仅有校准打印头，清洁</span></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="校准打印头过程" style="width: 600px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/24897iF73BD978476918C5/image-size/large?v=v2&amp;px=999" role="button" title="20171008_142051.jpg" alt="校准打印头过程" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">校准打印头过程</span></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="校准纸张出来后的提示" style="width: 600px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/24898i1AD2F8E883CF2628/image-size/large?v=v2&amp;px=999" role="button" title="20171008_143103.jpg" alt="校准纸张出来后的提示" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">校准纸张出来后的提示</span></span></P> Sun, 08 Oct 2017 07:39:07 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/844989#M216234 惟吾德馨 2017-10-08T07:39:07Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/844991#M216235 <P>我已经到惠普美国网站查找解决方法，这位用户到现在还无解。<A href="https://h30434.www3.hp.com/t5/Inkjet-Printing/OJ-8740-Can-t-calibrate-linefeed/m-p/5785899/highlight/true#M576206。请惠普中国老师能够解决我的问题" target="_blank">https://h30434.www3.hp.com/t5/Inkjet-Printing/OJ-8740-Can-t-calibrate-linefeed/m-p/5785899/highlight/true#M576206。请惠普中国老师能够解决我的问题</A></P> Sun, 08 Oct 2017 07:45:22 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/844991#M216235 惟吾德馨 2017-10-08T07:45:22Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/844992#M216236 <P><A href="https://h30434.www3.hp.com/t5/Inkjet-Printing/OJ-8740-Can-t-calibrate-linefeed/m-p/6352960/highlight/true#M655534。那位美国用户到现在还没找到校准换行在哪里设置，我也没找到此项" target="_blank">https://h30434.www3.hp.com/t5/Inkjet-Printing/OJ-8740-Can-t-calibrate-linefeed/m-p/6352960/highlight/true#M655534。那位美国用户到现在还没找到校准换行在哪里设置，我也没找到此项</A></P> Sun, 08 Oct 2017 07:49:12 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/844992#M216236 惟吾德馨 2017-10-08T07:49:12Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/845116#M216255 <P>您好</P><P>建议您尝试清洁打印机测试一下。应该是打印机堵塞造成的。</P> Mon, 09 Oct 2017 02:45:58 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/845116#M216255 双鱼座鲨鱼 2017-10-09T02:45:58Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/845137#M216259 <P><SPAN>清洁和深度清洁功能也试了多次没效果。查看其它机型的支持文章，这是打印头换行步距过宽导致，但是液晶屏里和PC软件都找不到校准换行。机器的support menu工程模式也找不到相关设置，print测试里只有打印头测试，另一个测试不可用。</SPAN></P> Mon, 09 Oct 2017 03:58:46 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/845137#M216259 惟吾德馨 2017-10-09T03:58:46Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/845140#M216260 <P>您好</P><P>从第二张图片来看，是打印头本身的问题。</P><P>如果是编码盘的问题，色块会拉长或压缩，但其它颜色是正常的。</P><P>所以，请重点检查打印头，谢谢。</P> Mon, 09 Oct 2017 04:47:52 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/845140#M216260 双鱼座鲨鱼 2017-10-09T04:47:52Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/1367556#M312529 <P>我的几台机器也是这个问题，本来以为是打印头，换了打印头结果问题依旧，请问最后怎么修的</P> Wed, 05 Nov 2025 11:28:43 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/1367556#M312529 小人物先生 2025-11-05T11:28:43Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/1367628#M312547 <P>您好</P> <P>非常抱歉，如果以上方法（包括 清洁/校准）无效，建议联系当地维修中心具体检测打印机。</P> <P>这是维修中心查询链接：<A href="https://support.hp.com/cn-zh/document/ish_10961443-11496959-16" target="_blank">https://support.hp.com/cn-zh/document/ish_10961443-11496959-16</A><BR />给您带来不带，敬请谅解。</P> Thu, 06 Nov 2025 02:54:55 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu-hp-7740da-yin-ji-da-yin-chu-xian-bai-xian-ru-he-xiao-zhun-huan-xing/m-p/1367628#M312547 双鱼座鲨鱼 2025-11-06T02:54:55Z