HP 2070N - Manual (Page 46)

Control panel
3 - 3
3
Toner life end
Replace the toner cartridge with a new one. See Replacing the toner cartridge
on page 5-3.
Cartridge position error
The toner cartridge is not installed correctly. Take out the toner cartridge and put
it back into the printer again.
Drum life end soon
The drum unit is near the end of its life. We recommend that you get a new drum
unit to replace the current one. See Replacing the drum unit on page 5-8.
The Drum LED alternates turning on for 2 seconds and off for 3 seconds.
No paper fed tray 1
Put paper in the tray. See Printing on plain paper, bond paper or transparencies
from the paper tray on page 1-7. Then press the Go button.
LED Printer status