HP Envy 4520 appears Offline especially when you are trying to print some of your urgent documents from your PC. Changing the printer status from Offline to Online is necessary to resume printing again. If you are non-tech and unable to get it back Online, chill we are here at helpline number to support you. Anytime anywhere you can connect with us as we work hard day to night in serving you satisfying solution at your doorstep. So, without making any effort you can get what you actually needed. Place call on the given number as soon as you can otherwise you can’t print anything as it is essential to soon bring back the printer online from its offline state.