HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 148)

EN Printer Messages 147
INSTALL <Color>
TONER The toner cartridge is either
not installed or not correctly
installed in the printer.
<Color> can be cyan,
magenta, yellow, or black.
Insert the cartridge or make
sure the installed cartridge is
correctly seated in the printer.
Note: The color toner
carousel will not rotate unless
the clear door is closed, the
imaging drum and black toner
cartridge are installed
completely (including
removing the orange seal
from the black toner cartridge
and swinging the upper lever
to the left), and the upper right
door is closed.
For more information on
installing toner cartridges, see
the installation guide included
with the toner cartridge.
INSTALL FUSER
LOWER LEFT DOOR The printer has detected that
the fuser is not installed. Install the fuser and verify that
it is correctly seated in the
printer before attempting to
print. For more information on
installing the fuser, see the
installation guide included
with the fuser kit.
Message Description Recommended Action