Moreover the time, Hp printers get into certain glitches which are quite obvious for an electronic device. If you encounter with an error 303 in your Hp printer then you must continue to this blog. The error 303 occurs due to failure in the smart test or some technical error in the hard drive. The other reason for this error may be boot up issue, malware infection in the hard disk and so on. It is mandatory to check infected area in your Hp printer and replace it quickly with the new one. Below are the steps to troubleshoot the HP smart test error: · First and foremost thing you should do to troubleshoot the error 303 removes the infected part. Check properly to determine the infection or damage in the hard drive of the printer and replace it with a new part. If you face some technical issue in order to resolve this error you can contact us at our toll-free tech support number. · The next...