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Maintenance messages 6
Tray 2 Error The optional lower tray is not
installed correctly.
Re-install the optional lower tray.
Unusable Device An incompatible or defective device
has been connected to the USB
direct interface.
Remove the USB flash memory drive from the USB
Direct Interface.
For the maintenance messages, see Routine Maintenance on page 88.
Call service messages
Call service message Action
Print Unable ## Turn off the machine. Wait a few seconds, then turn it on again. If this does not clear
the error, call your dealer or a Brother Customer Service.
Error messages (continued)
Error message Cause Action