When you get the printer validation failed HP problem, it typically signifies that something is blocking the printer. There is also a possibility that the carriage isn't moving freely. You may troubleshoot the problem in a few different ways. To begin, disconnect all of your gadgets and restart them. The error might arise as a result of a recent software upgrade or a power loss. Misaligned drivers for Windows can cause of this issue. If you are unable to resolve the issue, you can contact us.