What should I do if the printer cannot be printed offline?

Treatment method one:
When we are using the printer, the screen may tell us that there is an offline phenomenon. At this time, you must carefully observe that there will be a printer icon in the task bar at the bottom right of the screen, but it does not disappear, but a red exclamation mark appears on it. At this time, we can do simple processing:
1. First, you need to click on the printer icon in any column. At this time, we open the task window, and the title bar in the display will show “Unable to print offline”.
  
2, enter the device and printer page, double-click the drive icon, select "printer offline use", this time, the printer driver icon will be bright, after the state is stable, if you can not print, we need to go to the printer again In the "Properties" page, switch the usb port.
3. As a result, the offline phenomenon has been solved, and we can use the printer normally.
  
Treatment method two:
Sometimes we may not be able to print properly due to the point-to-menu command, causing offline behavior. Only need to restore the menu command at this time. If not, we need to check if there is a network interruption in the network connection, or if the usb port is not plugged in, unplug it and plug it in again, then restart the printer.
  
Treatment method three:
All the tasks in the printer are cleaned up. In many cases, because there are so many background tasks, the printing fails and goes offline. It is not uncommon for the print queue to be blocked. We only need to "cancel all documents" to print the task list. Finally restart the computer.
>>>>>>>>>>>Printer

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