在任何一天遇到停电或停电都是正常的。但是，如果您有任何打印机连接到电源插座，您可能无法使用它们，尤其是在没有UPS支持这些设备的情况下。在最坏的情况下，您可能在停电后无法打印^{(unable to print after a blackout)}。这是您可以尝试解决问题的方法。

停电^(Blackout)或停电^{(Power Outage)}后无法打印

停电后，您的打印机可能会脱机，并且在尝试从计算机或手机打印时，您可能会发现网络打印机丢失了^{(network printer has gone missing)}。即使您输入打​​印机地址，也不会显示任何内容。

1. 重置路由器
2. 使用打印和扫描医生
3. 运行打印机疑难解答
4. 将网络设置^{(Restore Network Settings)}恢复为默认值
5. 重新安装打印机时重新添加^(Re-add)打印机端口。

你不应该经历这么多来打印你的东西。

1]重置路由器

通过拔下电缆重新启动无线路由器。等待^(Wait)一分钟，然后重新插入并查看。

2]使用HP Print and Scan Doctor

如果您使用的是 HP 打印机，则可以使用HP Print and Scan Doctor。它会自动诊断并解决打印和扫描问题。

下载并安装程序后，运行它以选择您的打印机并点击修复打印^{(Fix Printing)}按钮以扫描并修复问题。

阅读^(Read)： 如何添加网络打印机^{(How to add Network Printer)}。

3]运行打印机疑难解答

运行打印机疑难解答，看看是否对您有帮助。

要打开打印机^(Printer)疑难解答，请执行以下命令：

%systemroot%\system32\msdt.exe -id PrinterDiagnostic

4]将网络设置^{(Restore Network Settings)}恢复为默认值

在打印机控制面板^{(Printer Control Panel)}中，轻触或向下滑动屏幕顶部的选项卡以打开仪表板^(Dashboard)，然后轻触 （设置^(Setup)）。

轻触网络设置^{(Network Setup)}。

轻触恢复网络设置^{(Restore Network Settings)}。

将出现一条消息，说明将恢复网络默认设置。

轻触确定^{( OK)}。

重新启动打印机。

现在，将打印机重新连接到您的网络。

点击设置^(Settings)。

选择无线设置向导^{(Wireless Setup Wizard)}。

按照显示说明找到您的网络并完成设置。

您将看到一条消息，确认连接成功。

点击打印^(Print)按钮打印一页。

阅读^(Read)：为什么我的打印机在 Windows 10 中脱机^{(Why is my Printer Offline in Windows 10)}？

5]重新安装打印机时重新添加^(Re-add)打印机端口

从 Windows 10控制面板^{(Control Panel)}卸载所有打印机软件。

Press Windows+R并键入命令printui /s /t2。

点击确定按钮打开打印服务器属性^{(Print Server Properties)}窗口。

然后，切换到端口^(Ports)选项卡并删除所有打印机制造商的打印机端口

从打印机制造商的产品支持网站^{(product support website)}或通过Windows 更新 - 驱动程序更新^{(Windows Update – Driver updates)}安装最新的打印机软件和驱动程序。

现在，您应该可以打印一页了。

如果没有任何帮助，您可能需要将其展示给硬件技术人员。^{(If nothing helps, you may need to show it to a hardware technician.)}

Unable to Print after a Blackout or Power Outage on Windows 10

Experiencіng a power outage or a blackout on any given day can be normal. However, if you have any printers connectеd to the power outlet, you can lose accesѕ to them, especially when thеre’s no UPЅ to support the devices. In the worst-cаse scenario, you may be unable to print after a blackout. Here’s what you can try to fix the problem.

Unable to print after a Blackout or Power Outage

After a power outage, your printer can go offline and upon trying to print from the computer or phone, you may find that the network printer has gone missing. Even when you enter the printer address, nothing may show up.

1. Reset the Router
2. Use Print and Scan Doctor
3. Run Printer Troubleshooter
4. Restore Network Settings back to default
5. Re-add the printer ports when reinstalling the printer.

You shouldn’t be going through so much to get your things to print.

1] Reset the Router

Restart the wireless router by unplugging the cable. Wait for a minute and then replug it again and see.

2] Use HP Print and Scan Doctor

If you are using an HP printer, you can use HP Print and Scan Doctor. It automatically diagnoses and resolves printing and scanning problems.

Once you download and install the program, run it to select your printer and hit the Fix Printing button to scan and fix the issue.

Read: How to add Network Printer.

3] Run Printer Troubleshooter

Run Printer Troubleshooter and see if that helps you.

To open the Printer troubleshooter, execute the following command:

%systemroot%\system32\msdt.exe -id PrinterDiagnostic

4] Restore Network Settings back to default

From the Printer Control Panel, touch or swipe down the tab at the top of the screen to open the Dashboard, and then touch (Setup).

Touch Network Setup.

Touch Restore Network Settings.

A message appears stating that the network defaults will be restored.

Touch OK.

Restart the printer.

Now, reconnect the printer to your network.

Tap Settings.

Select the Wireless Setup Wizard.

Follow the display instructions to locate your network and complete the setup.

You’ll see a message confirming the connection was successful.

Hit the Print button to print a page.

Read: Why is my Printer Offline in Windows 10?

5] Re-add the printer ports when reinstalling the printer

Uninstall all printer software from your Windows 10 Control Panel.

Press Windows+R on your keyboard and type the command printui /s /t2.

Hit the OK button to open the Print Server Properties window.

Then, switch to the Ports tab and delete all the printer manufacturer’s printer ports

Install the latest printer software and drivers from the printer manufacturer’s product support website or via Windows Update – Driver updates.

Now, you should be able to print a page.

If nothing helps, you may need to show it to a hardware technician.

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