Canon DADF-J1 Service Manual page 50

CHAPTER 2 OPERATIONS AND TIMING
b.Movement
When the Start key on the copier is pressed, the DADF's stopper plate moves down and
the pickup motor (M3) starts so that the pickup roller unit moves down to reach the stack of
originals.
The pickup motor will stop when the pickup roller unit has reached the pickup height sen-
sor 1 (PI8) and the pickup height sensor 2 (PI9) and then has moved down about 1 mm.
M3
F02-204-03
When the pickup roller unit stops to move down, the separation clutch (CL) and the sepa-
ration motor (M3) start to move the 1st original to the separation assembly.
2-28
Pickup roller unit
Stopper plate
CL
M4
F02-204-05
COPYRIGHT © 2001 CANON INC.
M3
PI 8/9
F02-204-04
2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001