5-21
Confidential
If an error occurs while executing Function code 41, error items below are displayed on the
LCD. Press the Cancel key for the model without a touch panel and the X key for the model
with a touch panel, and the machine returns to the initial state of the maintenance mode.
Then, take a measure.
LCD Cause
USB Mem used The USB flash memory is being used by another operation.
Insert USB Mem No USB flash memory is inserted.
No file The file name is invalid or no “BROTHER” folder exists.
There is no backup data.
USB Mem Error USB flash memory error
Machine ID Error Serial number does not match. The data is for other machine.
Write Error A write error occurred.