HP LaserJet 8000 Multifunction Printer series - Manual (Page 309)

Appendix B Control Panel Menus 309
Resets Menu
RESET ACTIVE I/O
CHANNEL This item performs a simple reset and clears the input and output
buffers (for the active I/Os only).
Resetting memory during a print job can result in data loss.
RESET ALL I/O
CHANNELS This item performs a simple reset and clears the input and output
buffers for all I/Os.
Item Explanation