Canon 0434B002 (0434B002AA) Exchange Roller Kit - 250K - Genuine Canon Scanner Kit Kit Includes: (1) Pickup Roller [MG1-3684-000] (1) Feed Roller [MA2-6772-000] (1) Separation Roller [MG1-3457-000] Estimated Life 250,000 sheets scanned - Replace when feeding errors begin to occur frequently