5. 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 Retard Roller

Follow the procedure below to remove and attach the retard roller for cleaning or replacement.

CAUTION

Do not use excessive force when removing or attaching the rollers. Doing so may damage them.

Removing the Retard 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 open it. Doing so may deform the pickup roller or cause a feed error.

Chapter 4

Appendices 119