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Hello. I recently purchased an Envy 6155e. After not using it for a few hours (or overnight) it goes to what I assume is sleep mode and when I attempt to print,  HP smart shows the printer is "offline." However, when I go through Menu to Settings to Network to Wi-Fi to Wi-Fi details on the printer's touchscreen, it shows that it is connected to the Wi-Fi.  If I restart the printer each time, it then shows a connection in HP Smart.  There has to be an easier way then shutting down the printer each day before I print.  Thank you. 

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