1.Rainbow new update A3 UV printer uses Hi-win 3.5 cm straight square rail on X axis which is very silence and firm.

2.Rainbow RB-4030 Pro new update with 2 pieces 4 cm Hi-win straight square rail on Y-axis which makes printing smoother and machine lifespan longer.

3.Rainbow RB-4030 Pro new version equipped with two pieces 4cm Hi-win straight square rail and one piece screw guide on Z-axis which makes sure the up and down has good load bearing after years using.

4.Rainbow new version A3 uv printer take seriously about user friendly, it has 4 openable windows at cap station, ink pump, mainboard and motors for trouble shooting, problem judgement without open the complete machine cover----an important part when we consider a machine because maintenance in future is important.

5.Rainbow complete series machine has high power air fans for cooling the board, therefore the machine performance of inner part has been recognized as STABLE always in past years even for 24 hours use.

6.Rainbow independent research and development A3 uv printer has also water cooling system which is the basic function of UV printer, but very long lifespan of the UV light is one of its advantages — 50000 hours.

7.Rainbow newest version updated with 500ml big tank for cyan, magenta, yellow, black, white and vanish; The white ink circulation system work constantly keep white ink from sediment and last the lifespan of print head. Besides, it has ink-alarming system which will mention you to add ink if the ink is in shortage.

8.Rainbow newest update UV printer has also ink heat system which helps to keep the ink temperature stable while on Winter, this is important for maintain the head. Besides, flat and rotary printing is one button adjustable.

9.Rainbow A3 UV printer with rotary device for mug and bottles is made from full aluminum rather than metal, is it heavy and firm. Also, it is not platform driver but motor drive which makes the printing resolution on rotary is highest with no deviation.

10.The machine has also vaccum adsorption table choice with adsorption fan which helps soft material been adsorbed tightly on platform and printing smoothly.

11.Double DX8 heads for all color printing with quick speed and 2880dpi resolution:

12.RB-4030 Pro uv printer has another one big change is on the grating sensor protection: the old version grating sensor is directly showed outside which is easy dust and influence printing resolution since grating sensor is  for print positioning; but after two layers metal sheet used, this problem is gone and also avoid heavy cover .

Old version with no protection

New Version with two lasers aluminum sheet

Other company heavy cover version

13.A3 uv printer still use Wellprint control software with powerful function and easy operation.

13.1)One button control printer and carriage movement, cleaning and print.

13.2)Spot channel setting, auto-cleaning setting, colorbar setting, edosion setting of fog, flash jetting, material setting, one button load ink etc. are very clear and powerful.

13.3)Bias calibration, motion setting, platform control, white ink time set, cleaning option, voltage setting and basic setting are adjustable which is very helpful during daily use.

13.4)For customers who prefer to use screen control rather than software, Rainbow UV printer also has this 6 inches large screen with all necessary functions, make the printing even more convenient.