Dell 2355dn Multifunction Mono Laser Printer - Manual (Page 303)

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Toner Cartridge is not
installed The toner cartridge is not installed. Install the toner cartridge. See "Installing the
Toner Cartridge".
Toner Supply Error Toner did not supply enough. The front cover is not securely latched.
Close the cover until it locks into place.
Toner Cartridge Error Toner cartridge error. The front cover is not securely latched.
Close the cover until it locks into place.
Toner Almost Empty
Replace Toner Now The toner cartridge is empty. Replace the toner cartridge with a new one.
See "Replacing the Toner Cartridge".
Toner Exhausted The lifespan of the toner cartridge is reached. The toner cartridge is empty.
Replace the toner cartridge with a new one for
the best print quality. See "Replacing the Toner
Cartridge".
Toner Low The toner cartridge is almost empty. Take out the toner cartridge and thoroughly
shake it. By doing this, you can temporarily
increase printing quality.
OR
Replace the toner cartridge with a new one for
the best print quality. See "Replacing the Toner
Cartridge".
Tray 2 Open The tray2 is not securely latched. Close the Tray 2.
Unusable Device A non-USB mass storage device, such as USB
mouse, is connected with USB memory port. Remove the non-USB mass storage device
from USB memory port.
USB Job is completed
with error :
Not supported file type
The selected file type is not supported. Enter the correct file type again.
Display message Meaning Suggested solutions