Item is used but faulty Powers on but just shows a blue screen, can’t get anything to display Unit only

Brand: HP
Input Type: Colour
Type: All-In-One Printer
Unit Type: Unit
Technology: Inkjet
Output Type: Colour
Model: Officejet 4650
Connectivity: USB 2.0, Wireless
Features: Copier, Networkable, Scanner
Supported Paper Size: A4 (210 x 297 mm), A6 (105 x 148 mm)
Product Line: HP Officejet