Canon DADF-J1 Service Manual page 67

c.Large-Size, Single-Sided Original
1) The 1st original is picked up, and its leading edge is butted against the registration roller
to remove the skew. (For details of pickup operation, see 2.4 "Picking Up/Separating
Originals" on p. 2-26.)
1st original
Registration roller
2) The registration roller and the feeding belt are rotated to move the original.
When the trailing edge of the 1st original moves past the point of contact [1] of the
pickup roller, the 2nd original is picked up.
3) The registration roller and the feeding belt are rotated to move the original.
The 1st original is moved by the feeding belt over a specific length after its trailing edge
has moved past the pre-registration roller paper sensor (S2) to determine the original
stop position.
Pre-registration roller
paper sensor (S2)
COPYRIGHT © 2001 CANON INC.
F02-206-08
[1]
F02-206-09
F02-206-10
2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001
CHAPTER 2 OPERATIONS AND TIMING
2-45