Canon DR-6030C - Manual (Page 122)

116 Appendices
4.
Close the upper unit slowly. Be sure that the upper unit is completely closed by
pushing on both edges with both hands until you hear a click.
IMPORTANT
Do not force the upper unit to close. Doing so may damage the scanner.
Removing and Attaching the Feed Roller
Follow the procedure below to remove and attach the feed roller unit for
cleaning or replacement.
CAUTION
Do not use excessive force when removing or attaching the
rollers. Doing so may damage them.
Removing the Feed Roller
1.
Hold the upper unit as shown in the diagram, and open it slowly until it stops.
CAUTION
The pickup roller is located in the middle of the upper unit. Do not
hold the protrusion on the upper unit when you lift it up. Doing so
may deform the pickup roller or cause a feeding error.