I am assuming that you are looking for the driver. If one is available that is compatible with Big Sur, it will be found on HP's help site. Please check there.
This thread has been closed by the system or the community team.
You may vote for any posts you find helpful, or search the Community for additional answers.
Printer driver for HP Laserjet P1006
Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.