Share 'White Spots on deep red prints'

Hello everyone, Note: this is the same post as on the Blogs just moved it to here for more visibility. I have an SP300V, using Roland Eco-Sol Max inks. I've been experiencing random "white spots" (see attached photo) in printed red areas only. Any ideas why? Or what I need to do to fix this issue? I have manually cleaned the machine several times and run the cleaning function from the control pa…