Canon imageFormula DR-9050C User Manual page 77

8.
Push the roller lock lever up to lock the feed roller.
9.
Close the roller cover. Check that it makes a latching
sound and that it is securely returned to its original
position.
IMPORTANT
Failure to firmly close the roller cover may cause a feed error.
Always be sure to check that the roller cover is closed.
10.
Gently lower the upper unit (a). Press down on both
sides of the upper unit to ensure that it is securely
closed (b).
■ Removing and Reinstalling the Retard Roller
1.
Press the Open/Close button and carefully raise the
upper unit until it stops.
Open/Close Button
5-10
Chapter 5 Maintenance