CHAPTER 2 BASIC OPERATION

G. Inputs to and Outputs from the 1-Cassette Unit Driver PCB

1. Inputs to and Outputs from the 1-Cassette Unit Driver PCB (1/1)

Cassette 2 vertical path sensor

Cassette 2 paper sensor

PS1cu

PS2cu

Cassette driver PCB

J110 -1

-3

-2

J110 -4

-6

-5

DC controller PCB

5V

When PS1 detects paper, '1'. C2VPD (when the light-blocking plate

is at PS1cu, '1')

5V

When paper is present in

C2PD cassette, '0'.

(when light-blocking plate is not at PS2cu, '0')

Cassette 2 size detection

Cassette 2 pick-up clutch

Cassette unit motor

CL1cu

M1cu

J651

J110

-6

-7

-5

-8

-4

-9

-3

-10

-2

-11

-1

-12

J115 -1

-2

J114 -1

-2 -3

-4 -5 -6

CS2

C2SZ_1

C2SZ_2

C2SZ_3

See p. 5-8.

 

C2SZ_4

 

+24V

 

When '0', pick-up clutch turns on. C2PUCLD*(pick-up roller rotates)

 

+24V

 

CMA

+24V

While M1cu is rotating,

CMA*

alternates between '1' and

 

 

'0'. (pulse signal)

CMB

CMB*

Figure 2-111

COPYRIGHT © 1997 CANON INC.

CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

2-11

Page 49
Image 49
Canon FY8-13EX-000, NP6218 service manual Inputs to and Outputs from the 1-Cassette Unit Driver PCB, CS2