Printer Hp and flashplayer

Contact HP to inquire if they have an updated firmware that doesn't require Flash Player.

Fore completeness:

Adobe announced Flash Player's end-of-life in July 2017, three and a half years ago, giving content creators over 3 years to migrate their Flash content to a different technology.

For reference:

• https://theblog.adobe.com/adobe-flash-update/
• https://www.adobe.com/products/flashplayer/end-of-life.html

For enterprises that are dependent on Flash Player, there are a couple options available to keep legacy applications alive. 

• https://www.adobe.com/products/flashplayer/enterprise-end-of-life.html

Technical details can be found in the Flash Player Admin Guide, including Enterprise enablement feature: 

• https://www.adobe.com/devnet/flashplayer/articles/flash_player_admin_guide.html