Brother GTX pro Instruction Manual page 224

(5) Set the scheduled time for white ink circulation and click [Next].
<CAUTION>

Confirm that the date and time of your PC are set correctly, and continue.

Enter four or more start time settings.

You cannot set the scheduled time in such a manner that the length of the intervals of white ink circulation is longer than six
hours.

Input a time range of "0:00" to 23:59".
<TIPS>

You can check on the main unit the scheduled time you set.☞"8-23. Check circulation schedule >>P.241".
Precautions to keep good printing quality/use printer over the long term
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