CHAPTER 4 MAINTENANCE AND INSPECTIONCOPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-H1 REV.0 MAR. 2001 4-11 Parts Requiring Periodic ReplacementThis ADF does not involve parts that require periodic replacement.2 Expendable Parts Durability TableThe table below lists the average life expectancies (number of sheets picked up) for thoseparts that may have to be replaced at least once because of degradation or breakage duringthe product warranty period but that may be safely replaced when the need arises.Pickup sheet counts for this ADF can be checked by setting the host in service mode.As of March 2001No. Description Part No. Quantity Durability Remarks(pieces) guideline1 Pickup roller FB5-9446 1 80,000 sheets Usage sheet counts for theseparts can be checked by settingthe host in service mode.2 Separation roller FB5-9445 1 80,000 sheets COPIER>COUNTER>DRBL-2>DF-PU-RL: Pickup roller3 Separation pad FF6-1291 1 80,000 sheets DF-FD-RL: Separation rollerDF-SP-PD: Separation pad4 Feed roller guide FF6-1273 1 80,000 sheets (Dust-collecting tape)T04-201-01These values are estimates and are subject to change to reflect empirical in-formation as it becomes available.
