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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 and shake it to extend
the life of the cartridge.
• Replace the print cartridge.
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 Replacing a print
cartridge).