Lexmark E320/E322 User Reference Manual page 65

What this light sequence means:
The printer top cover is open or the print cartridge is not
installed. In addition, the toner in the print cartridge is getting
low.
What you can do:
•
Close the cover to display the light sequence that
appeared before the cover was opened.
•
Install the print cartridge.
•
Remove the print cartridge
the life of the cartridge.
•
Replace the print
Note: The Toner Low light does not come on if
the standard 1,500-page print cartridge
is installed in the E320.
What this light sequence means:
•
The print cartridge is not installed or the printer
detects a print cartridge error. Replace it.
What you can do:
•
If the print cartridge is not installed, install it.
•
If the print cartridge is installed, remove it and install
a new print cartridge (see
cartridge).
and shake it to extend
cartridge.
Replacing a print
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