Canon PC300 Instruction Manual - Page 169

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 their covers (feed roller cover and retard roller cover), 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: 4593B001AA Retard roller cover Document holding guide Retard roller IMPORTANT • Rollers and their covers, 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 Retard Roller Cover and Document Holding Guide 1. Open the roller cover, and remove the document holding guide by sliding it up. Feed roller cover Feed roller 9-8