For network-enabled HP printers, getting trapped in sleep mode is a common issue. The most common source of this problem is Windows software that manages the printer. If the , pressing the "Go" button will bring it back to life. Finally, in the menu window, go to 'printer' and tap 'use printer offline,' which will automatically reconnect the printer from its 'offline' status. It's a straightforward method that will switch a brother printer from offline to active status, allowing printing tasks in a queue to resume. On a Windows 10 PC, navigate to Settings > System > Power & sleep to disable sleep mode. Then, under Sleep, choose Never from the drop-down option.
To resolve this issue and resume computer operation, use one of the following methods:-
Press the SLEEP keyboard shortcut.
Press a standard key on the keyboard.
Move the mouse.
Quickly press the power button on the computer. Note If you use Bluetooth devices, the keyboard may be unable to wake the system.