https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081727#M241727 <P>您好</P><P>默认端口是ipp类型的。</P><P>需要更改打印机端口类型，可以重新添加打印机。</P><P>输入打印机ip地址后，在协议中选择，如下图：</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="双鱼座鲨鱼_0-1616658788721.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/55773iDEC60FA5A5D3C300/image-size/medium?v=v2&amp;px=400" role="button" title="双鱼座鲨鱼_0-1616658788721.png" alt="双鱼座鲨鱼_0-1616658788721.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Thu, 25 Mar 2021 07:55:06 GMT 双鱼座鲨鱼 2021-03-25T07:55:06Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1080960#M241544 <P>LaserJet Pro MFP M427fdw 插入U盘，打印U盘中的PDF文件没有双面打印选项吗？</P> Mon, 22 Mar 2021 12:26:21 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1080960#M241544 幻伽 2021-03-22T12:26:21Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081104#M241572 <P>您好</P><P>u盘打印暂不支持选择自动双面。</P><P>给您带来不便，敬请谅解。</P> Tue, 23 Mar 2021 05:45:17 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081104#M241572 双鱼座鲨鱼 2021-03-23T05:45:17Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081146#M241590 <P>以后会升级吗？从电脑无线连接打印机打印PDF非常慢，慢到无法想象。。不想用有线连接。</P> Tue, 23 Mar 2021 07:48:21 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081146#M241590 幻伽 2021-03-23T07:48:21Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081500#M241674 <P>您好</P><P>麻烦您在电脑上打开控制面板-设备和打印机。</P><P>找到打印机图标-右击它-打印机属性-端口。</P><P>找到前面带√号的端口，发截图给我，谢谢。</P> Wed, 24 Mar 2021 08:47:30 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081500#M241674 双鱼座鲨鱼 2021-03-24T08:47:30Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081524#M241691 <P>您好！我是MacOS 11.2.3 系统，请问在哪个位置查看端口？<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="截屏2021-03-24 18.13.48.png" style="width: 800px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/55706i8352AA2643D23724/image-size/large?v=v2&amp;px=999" role="button" title="截屏2021-03-24 18.13.48.png" alt="截屏2021-03-24 18.13.48.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="截屏2021-03-24 18.14.03.png" style="width: 800px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/55707i806DBA0CDD5C7712/image-size/large?v=v2&amp;px=999" role="button" title="截屏2021-03-24 18.14.03.png" alt="截屏2021-03-24 18.14.03.png" /></span></P> Wed, 24 Mar 2021 10:14:52 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081524#M241691 幻伽 2021-03-24T10:14:52Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081727#M241727 <P>您好</P><P>默认端口是ipp类型的。</P><P>需要更改打印机端口类型，可以重新添加打印机。</P><P>输入打印机ip地址后，在协议中选择，如下图：</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="双鱼座鲨鱼_0-1616658788721.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/55773iDEC60FA5A5D3C300/image-size/medium?v=v2&amp;px=400" role="button" title="双鱼座鲨鱼_0-1616658788721.png" alt="双鱼座鲨鱼_0-1616658788721.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Thu, 25 Mar 2021 07:55:06 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1081727#M241727 双鱼座鲨鱼 2021-03-25T07:55:06Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1098256#M245294 <P>是需要更改端口为ipp吗？</P> Thu, 24 Jun 2021 23:38:10 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1098256#M245294 幻伽 2021-06-24T23:38:10Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1098270#M245298 <P>现在经常出现大饮食找不到打印机，但系统显示打印机是在线的，安装了最新驱动也一样。</P> Fri, 25 Jun 2021 02:10:43 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1098270#M245298 幻伽 2021-06-25T02:10:43Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1098346#M245310 <P>您好</P><P>您可以打开一个浏览器，地址栏中输入打印机ip地址，回车。</P><P>如果电脑可以访问打印机web，可以重新手动添加打印机，重新测试打印。</P> Fri, 25 Jun 2021 05:25:56 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/LaserJet-Pro-MFP-M427fdw-U-pan-wu-shuang-mian-da-yin-xuan-xiang/m-p/1098346#M245310 双鱼座鲨鱼 2021-06-25T05:25:56Z