HP Keyboard Overlay Kit 5851-6019 is a replacement overlay for the control-panel keyboard. It is listed in HP’s LaserJet Enterprise MFP M630 parts table, making its intended purpose clear: replacing the keyboard overlay on the equipment covered by that guide.
This version is identified for French, Italian, Russian, German, Spanish and Ukrainian layouts. The language selection helps match the keyboard markings to the intended users, supporting clear day-to-day control-panel operation.
The kit includes installation instructions to accompany the replacement overlay.