h1136打印机一直提示请关闭设备，然后重新打开？

Printer old display power off and then restart, the solution is as follows:

1, uninstall the driver, restart the computer, reinstall the driver;

2, check whether there is a problem with the USB interface, replace the USB interface;

3, the system sudden, reinstall the system;

4, the printer main control board is damaged, replace the main control board.

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Printer old display power off and then restart, the solution is as follows:

1, uninstall the driver, restart the computer, reinstall the driver;

2, check whether there is a problem with the USB interface, replace the USB interface;

3, the system sudden, reinstall the system;

4, the printer main control board is damaged, replace the main control board.