COPYRIGHT © 1999 CANON INC.
CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
2-11
CHAPTER 2 BASIC OPERATION
C. Picking Up and Separating Originals
1. Outline
The pickup roller and the lifter are moved up so as to hold the entire stack of originals, and the
separation roller is rotated. When this takes place while the stack is butted against the separation pad,
the topmost sheet is separated from the rest of the stack.
The pickup roller is moved down and the lifter is moved up by rotating the separation motor (M1)
counterclockwise. On the other hand, the pickup roller is moved up, the lifter is moved down, and the
separation roller is turned by rotating the separation motor (M1) clockwise.
The separation assembly is equipped with a separation sensor (SR3) to monitor the movement of
originals.
When the copier’s Copy Start key is pressed while originals are placed on the original tray, the
originals are picked up and separated in the following sequence of operations:
Separation
roller
Separation
sensor
Pickup roller
Lifter
Separation pad
Pre-registration sensor
Registration roller
Figure 2-208