Hey There, I am Peter Handscomb... If your 'HP Printer Offline,' you'll need to address a variety of difficulties. This must be done logically and sequentially. You should check for any difficulties with the power supply, USB cable, driver files, cartridges, and sleep mode. The benefit of troubleshooting is that you can determine the source of the issue. Once the issue has been discoverWhy does my hp printer keep going offlines relatively simple.