The print cartridge is missing or installed incorrectly. Install or reseat the print cartridge. On the front panel of the printer, press the i button to view information about the front panel message.
Open the top cover.

If the print cartridge is present, reseat it.
Remove the print
cartridge.

Replace the print
cartridge.

If the print cartridge is not present, install the print cartridge.
Close the top cover.

If the problem persists,
access PhaserSMART