Canon NP6218 H. Inputs to and Outputs from the 2-Cassette Unit Driver PCB, 2-12, Basic Operation

CHAPTER 2 BASIC OPERATION

H. Inputs to and Outputs from the 2-Cassette Unit Driver PCB

1. Inputs to and Outputs from the 2-Cassette Unit Driver PCB (1/2)

Cassette 2 vertical path sensor

Cassette 2 sensor

PS1cu

PS2cu

Cassette driver PCB

J110 -1

-3

-2

J110 -4

-6

-5

DC controller PCB

5V

When PS1cu detects paper, '1'. C2UPD (when light-blocking plate is at

PS1cu, '1')

5V

When paper is present in cassette, '0'. CS2PD* (when light-blocking plate is not at

Cassette 3 vertical path sensor

PS3cu

J120 -13

-15

-14

J120 -10

5V

C3VPD

5V

PS2cu, '0')

When PS3cu detects paper, '1'.

(when light-blocking plate is at PS3cu, '1')

When paper is present in cassette, '0'.

Cassette 3 paper sensor

PS4cu

-12

-11

CS3PD* (when light-blocking pale is not at PS4cu, '0')

Cassette right door open/closed sensor

Cassette 2 size detection

PS5cu

	J120
	-1
	-3
	-2
J651	J110
-6	-7
-5	-8
-4	-9
-3	-10
-2	-11
-1	-12

5V

When right door is opens, '0'. CRDOP* (when light-blocking plate

is not at PScu, '0')

CS2

C2SZ_1

C2SZ_2 See p. 5-8.

C2SZ_3

C2SZ_4

Cassette 3 size detection

J651	J120
-6	-4
-5	-5
-4	-6
-3	-7
-2	-8
-1	-9

CS3

C3SZ_1

C3SZ_2 See p. 5-8. C3SZ_3

C3SZ_4

Figure 2-112

2-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)