nvic wrote:
Head Cleaner probably, remove it. Just deposits removed dirt back on
heads

couldn't agree more. Those head "cleaning" rollers are the worst
invention ever, I have even seen one which destroyed a head chip by
snagging on it, and seen others where the foam decayed and gummed up
the heads.
IMO, The principle is utterly stupid: It's like using the same q-tip to
remove earwax throughout your life!!

off to rant elsewhere now ;-)
Ben.