A two-stage scraper system having coarse and fine cleaning components is provided for cleaning ink residue from a wiper following wiping a printhead in an inkjet printing mechanism. A fixed, coarse scraper bar is sandwiched between a pair of moveable fine scraper bars. During the first scraping stage,...http://www.google.com.au/patents/US6409303?utm_source=gb-gplus-sharePatent US6409303 - Two-stage scraper system for inkjet wipers
