Inputs To And Outputs From The Cassette Feeding Module-B2 Driver Pcb - Canon NP6621 Service Manual

E. Inputs to and Outputs from the Cassette Feeding Module-B2
Driver PCB

1. Inputs to and Outputs from the Cassette Feeding Module-B2 Driver PCB (1/1)

Cassette 3
vertical path
PS1cu
sensor
Cassette 3
paper sensor
PS2cu
Cassette 3
size detection
Cassette 3
CL1cu
pick-up clutch
Cassette
M1cu
unit motor
COPYRIGHT © 1998 CANON INC.
Cassette driver PCB
J 110- 1
- 3
- 2
J 110- 4
- 6
- 5
J 651 J 110
- 6 - 7
- 5 - 8
- 4 - 9
- 3 - 10
- 2 - 11
- 1 - 12
J 115- 1
- 2
J 114- 1
- 2
- 3
- 4
- 5
- 6
Figure 3-113
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
OPERATIONS AND TIMING
DC controller PCB
5V
When PS1 detects paper, '1'.
C3VPD
(when the light-blocking plate
is at PS1cu, '1')
5V
When paper is present in the
C3PD
cassette, '0'.
(when the light-blocking plate
is not at PS2cu, '0')
CS2
C2SZ1
C2SZ2
See p. 3-85.
C2SZ3
C2SZ4
+24V
When '0', the pick-up clutch turns ON.
RGCLD*
(pick-up roller rotates)
+24V
CMA
While M1cu is rotating, alternates
+24V
CMA* between '1' and '0'.
(pulse signal)
CMB
CMB*
3–13