If your HP Printer is showing offline and you are not able to print from your printers, then no need to worry just perform
these simple steps
1. Use HP Print and Scan Doctor feature to see whether your printer is connected or not
2. Now you can restore your connection by resetting the environment of the Printer
3. Now set the default print driver to the originally installed driver and check for the solution.
Now even after performing these simple steps if your HP Printer is still is in offline position then contact HP Printer Customer Support
for the fixation of your issues.