hello , I have the Roland sg540
And I am using in daily basis, ten days now I have the problem that yellow stopped working and just “spiting” with black
. What can I do on that problem ?
	
		
			
		
		
	
			
			And I am using in daily basis, ten days now I have the problem that yellow stopped working and just “spiting” with black
. What can I do on that problem ?