How to Stop Low Toner Message HP Laser Printer

Press the 'Menu' button on the printer. Choose 'Configuration' from the menu.
Scroll through the 'Configuration' menu until you see the 'Toner Low' setting. Change that setting to 'Toner Low=Continue.'
Click 'Select' to accept the new setting, then send a test page to the printer Remove the toner cartridge, shake it to redistribute the toner, then put the cartridge back in the printer. Depending on the amount of toner remaining, this could give you an extra day to an extra week or more of printing.