Error-Code
What you can do
016-799
Press the
(Set)
button to clear the message and cancel the current print job. Confirm the
configuration of the printer on the printer driver.
016-930
The device is not supported. Remove it from the front USB port.
016-931
The USB hub is not supported. Remove it from the front USB port.
024-920
Remove the paper from the output tray.
024-927
Remove the empty toner cartridge, and install a new cartridge. For more information about replacing the
toner cartridge, see "Replacing the Toner Cartridges."
024-965
Confirm that the size and type specified in the tray settings matches the size and type of paper loaded in the
tray.
024-966
024-969
027-446
Change the IPv6 address to avoid duplication. Turn off the printer, and turn it on again.
027-452
Change the IPv4 address to avoid duplication. Turn off the printer, and turn it on again.
042-700
Wait for a while until the printer cools down. Contact customer support if this failure is repeated.
075-910
Make sure that the multipurpose feeder (MPF) is fully installed.
077-300
Close the front cover.
077-301
Close the right side cover.
077-302
Close the rear cover.
091-911
Remove the used waste toner box, and install a new toner box. For more information about replacing the
waste toner box, see "Replacing the Waste Toner Box."
091-914
Reinsert the black drum cartridge. If the message remains, replace the cartridge. For more information
about reinserting the drum cartridge, see "Replacing the Drum Cartridges."
091-917
Reinsert the yellow drum cartridge. If the message remains, replace the cartridge. For more information
about reinserting the drum cartridge, see "Replacing the Drum Cartridges."
091-918
Reinsert the magenta drum cartridge. If the message remains, replace the cartridge. For more information
about reinserting the drum cartridge, see "Replacing the Drum Cartridges."
091-919
Reinsert the cyan drum cartridge. If the message remains, replace the cartridge. For more information about
reinserting the drum cartridge, see "Replacing the Drum Cartridges."
091-921
Make sure that the black drum cartridge is fully installed. For more information about installing the drum
cartridge, see "Replacing the Drum Cartridges."
091-922
Make sure that the yellow drum cartridge is fully installed. For more information about installing the drum
cartridge, see "Replacing the Drum Cartridges."
091-923
Make sure that the magenta drum cartridge is fully installed. For more information about installing the
drum cartridge, see "Replacing the Drum Cartridges."
091-924
Make sure that the cyan drum cartridge is fully installed. For more information about installing the drum
cartridge, see "Replacing the Drum Cartridges."
091-931
Remove the used black drum cartridge, and install a new cartridge. For more information about replacing
the drum cartridge, see "Replacing the Drum Cartridges."
091-932
Remove the used yellow drum cartridge, and install a new cartridge. For more information about replacing
the drum cartridge, see "Replacing the Drum Cartridges."
091-933
Remove the used magenta drum cartridge, and install a new cartridge. For more information about replacing
the drum cartridge, see "Replacing the Drum Cartridges."
091-934
Remove the used cyan drum cartridge, and install a new cartridge. For more information about replacing the
drum cartridge, see "Replacing the Drum Cartridges."
091-942
Reinsert the black drum cartridge. If the message remains, replace the cartridge. For more information
about replacing the drum cartridge, see "Replacing the Drum Cartridges."
Understanding Printer Messages
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