Pick-Up From The Cassette Feeding Module-A2 - Canon NP6621 Service Manual

OPERATIONS AND TIMING
D. Pick-Up from the Cassette
Feeding Module-A2
1. Pick-Up Operation
When the pick-up clutch (CL1cu, CL2cu) turns
ON while the cassette unit motor (M1cu) is rotating,
the pick-up roller rotates to start pick-up operation;
the copy paper is sent as far as the vertical path
roller after the pick-up. (The paper, thereafter, takes
Casette 3 size detection
Cassett e 3
Casette 4 size detection
Cassett e 4
3–72
PS2cu
PS4cu
Cassette drive PCB
DC controller PCB
Figure 3-426
COPYRIGHT © 1998 CANON INC.
the same path as it would if picked up from the
machine's cassette.)
The cassette unit is equipped with a pick-up
sensor (PS1cu, PS3cu) to detect the arrival of copy
paper and determine when to turn off the pick-up
roller to suit the size of the paper.
To Copier
Pick-up roller
PS1cu
Pick-up roller
PS3cu
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Vertical path roller
Pick-up clutch
CL1cu
Pick-up clutch
CL2cu
Cassette
M1cu
unit motor