when you use roland wipers they have felt on the back side for dabbing the heads in medium or powerful cleanings. First replace the wipers with all rubber off brand wipers it will save headache and money + they last longer. Clean heads, head carriage under belly, wiper, scraper metal bracket in front of wipers, clean the captops and be sure to remove any fuzz from cap assembly be thorough one piece of fuzz is dragging your prints