773. MaintenanceAvailable maintenance partsTo purchase maintenance parts, contact the source where you bought the machine. Replacing maintenance parts can be performed only by an authorized serviceprovider, dealer, or the retailer where you bought the machine. The warranty does not cover the replacement of any maintenance parts once it has reached its“Average yield”.Maintenance parts are replaced at specific intervals to avoid print quality and paper feed problems resulting from worn parts, see table below. The purpose of whichis to maintain your machine in top working condition. The maintenance parts below should be replaced when the life span of each item has been met.Parts Average yieldaa. It will be affected by the operating system used, computing performance, application software, connecting method, media type, media size and jobcomplexity.Fuser unit Approx. 20,000 black pages or 5,000 color pagesTransfer roller Approx. 20,000 pagesFeed roller Approx. 20,000 pagesPickup roller Approx. 20,000 pagesIntermediate Transfer Belt (ITB) Approx. 20,000 pages for black and white mode or 5,000 pages for color modeADF Feed rollerbb. CLX-330xFN Series/ CLX-330xFW Series onlyApprox. 20,000 pagesADF Rubber Pad b Approx. 20,000 pages
