Do you have a dreadful 49.XX or 99.XX Firmware related error?
Has this happened to you more than once?
Have you considered buying a super expensive formatter or even a new printer just because of this error?
Stop!
The M577 Uses traditional spinning hard drives that tend to fail after years of normal usage. This drive makes the repair process extremely easy & extends the life of your printer by years! Simply Install HDD & Allow printer to initialize! If Pre-Boot menu appears, Simply use the included USB drive to download the firmware & go!
This part is recommended to be installed by an HP authorized technician due to the firmware initialization process.