Inputs To And Outputs From The 1-Cassette Unit Driver Pcb; Inputs To And Outputs From The 1-Cassette Unit Driver Pcb (1/1) - Canon NP6218 Service Manual

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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)

vertical path

paper sensor

size detection

pick-up clutch

Cassette driver PCB

Figure 2-111

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

CHAPTER 2 BASIC OPERATION

DC controller PCB

When PS1 detects paper, '1'.

(when the light-blocking plate

is at PS1cu, '1')

When paper is present in

cassette, '0'.

(when light-blocking plate

is not at PS2cu, '0')

When '0', pick-up clutch turns on.

(pick-up roller rotates)

While M1cu is rotating,

alternates between '1' and

'0'. (pulse signal)

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