Dear beloved colleagues in Rainbow : 

In order to improve user-friendly of our products and brings better experience to customers, we recently made many upgrades for RB-4030 Pro, RB-4060 Plus, RB-6090 Pro and other series products; Also due to the recent increase in the price raw materials and labor costs, the inflation, from 1st Oct 2020, the above series printers price going to rise 300-400$ each model. Please kindly noted and timely inform customers in advance!

For better acknowledge about the updates, here are some of them:

1） Added complete auto height detect function

2） Carriage lifting with two pcs linear screw + ball screw instead of only linear screw

3） Added openable windows for trouble shooting with magnetite switch

4） Added with water tank temperature display to detect water tank temperature all right