What should I do if I encounter an offline state and cannot print when using the printer? Many small partners may have encountered this problem, if you don't know how to solve it, you can try a method brought to you below.
More system tutorials are available on the official website of Xiaobai System Reinstallation
http://www.163987.com/jiaocheng/47288.html
System: Win7 Ultimate
Computer: Lenovo Ideapad 700-15ISK-ISE
1. Open the device and printer from the computer start menu icon first (you can also find the device and printer options in the control panel)

2, if the printer is offline, it will be grayed out like the following, you can first check whether the line connected to the device is loose, to ensure that there is no problem with the line connection.
3. Then we right-click on the gray printer to check the task that is currently being printed.
4. Then click the three words of printer in the upper left corner, and then click the printer that is being used, and remove the check of the offline printer.
5. After the setting is completed, we can see that the printer color is bright, and now we can use the printer normally.
6. If your port is a USB plug and play type, Huaxu will set the printer port. Select the USB port in Printer Properties - Port and click Apply - OK.
The above is a setting and adjustment for the printer offline status issue, if you encounter this kind of emptying when printing data, you can try the above methods to fix.