Open the bottom part of the multi bypass tray.
Pull the shaft down, release the retainer, and then remove the pick-up roller.
Pull the shaft down and mount the new pick-up roller.
Open the bypass unit.
Open the cover.
Remove the snap ring and the feed roller.
Mount the new feed roller and the snap ring.
Close the cover.
Pull the separation roller shaft down and remove the snap ring and the separation roller.
Pull the separation roller shaft down and mount the new separation roller and the snap ring.
Close the bypass unit.
Reset the counter for replaceable parts.
Do not turn the machine on until you have read how to do so.