Heya guys!
Iv also just got two new XF-640 printers.
And sadly also got some banding issues (among other things).
I print with 720-MD 8-pass (1 square metre = 3,65 min)
and with 720x1440-MD (1 square metre = 6,3 min)
I print 90% on vinyl for car-wrap and signs and need the quality, thus...