Canon IMAGEFORMULA DR-2010M Reference Manual page 32

2
Lift the roller fixing lever, and slide it to the right.
3
Slide the retard roller to the right to disconnect the shaft,
and insert the new roller. At this time, ensure that the
notched end of the roller shaft mates with the shaft in the
Front Unit.
4
Slide the roller fixing lever to the left so that it fits into the
hole at the left side of the retard roller, and press the lever
down to secure the roller shaft.
5
Pull the document holding guide down and forward.
6
Clip the four mounting hooks on the new document
holding guide up through the roller cover, and slide the
guide toward the back.
7
Close the roller cover firmly until the latch clicks.
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