Canon imageRUNNER ADVANCE C3500 III Series Service Manual page 273

5. Raise the Multi-purpose Tray Separation Roller [1] with the shaft as the center, and pull it out from the shaft.
NOTE:
If you have accidentally removed the shaft together with the roller, install it from the front side.
NOTE:
When the consumable parts have been replaced, be sure to clear the parts counter shown below in service mode.
• SERVICE MODE > COPIER > COUNTER > DRBL-1 > M-PU-RL
• SERVICE MODE > COPIER > COUNTER > DRBL-1 > M-SP-RL
• SERVICE MODE > COPIER > COUNTER > DRBL-1 > M-FD-RL
M-PU-RL/ M-SP-RL/ M-FD-RL is also cleared at the same time when R-DOOR is cleared.
[1]
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4. Parts Replacement and Cleaning
[1]