White Ink Circulation - Brother GTX pro Instruction Manual

7-2-3. White ink circulation

When whiteness is not enough, it may be solved by performing white ink circulation.
(1) While the printer is in standby mode, press
(2) From the menu, select [Maintenance] > [White Ink Circulation], and press
<IMPORTANT>

Do not turn off the power because if you do so, the machine mail fail because necessary maintenance operations are not
performed.
<TIPS>

Time required for completing the white ink circulation varies depending on the ambient temperature. It normally takes 7 and
a half minutes although it can take up to 15 minutes. White ink is circulated automatically every six hours and white ink
three times as much as normal is circulated every 24 hours.

If you are activating the printer after having had its power off for a long period, it will take up to 40 minutes.
Precautions to keep good printing quality/use printer over the long term
on the operation panel to bring the menu screen into view.
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