Canon imageFORMULA ScanFront 300 ScanFront 300/300P Instructions - Page 176

Chapter 9 Maintenance 2. Replacing the Rollers and Document Holding Guide When the rollers start to wear out, document feed errors such as paper jams are more likely to occur. If document feed errors continue to occur even after cleaning the rollers, purchase an Exchange Roller Kit, and replace the rollers (feed roller and retard roller) and the document holding guide. ❏ Exchange Roller Kit The Exchange Roller Kit is a kit consisting of replacements for the feed roller, retard roller, and document holding guide. For details, contact your local authorized Canon dealer or service representative. Product name: Exchange Roller Kit Product code: 4593B005 Document holding guide IMPORTANT • The rollers and the document holding guide are consumable parts. When the total number of pages scanned with the rollers reaches 100,000 pages, purchase an Exchange Roller Kit and replace the parts. (See "Checking the Page Count and Resetting the Counter" on p. 9-9.) • When the rollers start to wear out, problems such as paper jams and improper document feeding become more likely to occur. If this happens, replace the rollers regardless of the page count. • Make sure to reset the roller counter after replacing the rollers. ❏ Replacement Method For details on how to replace the feed roller and retard roller, see p. 9-5 and p. 9-6. Replacing the Document Holding Guide 1. Open the retard roller cover, and pull it out straight. Retard roller Feed roller 9-8