Canon DU7-1101-000 Service Manual page 19

Inputs to the ADF Controller PCB (2/2)
Reversal
sensor
Pre-registration
paper sensor
Post-registration
paper sensor
Separation
sensor
Skew sensor
Original sensor
(light-receiving)
Original sensor
(light-emitting)
Original trailing
edge sensor
Copy paper
Pre-last original
paper sensor
Copy paper
Manual feeder
registration
roller paper
sensor
COPYRIGHT © 1999 CANON INC.
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-1 -4
S1
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J149 J144
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-6 -1 -6
S2
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S3
-3 -4 -3
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J135 J133
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J134 J131
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J136 J132
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J145 J140
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Tray PCB
S7
J52-2 -3 -1
Original
J56-2 -1 -3
width
detecting
switch
SW301
S8
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J25 J23
Figure 2-103
CANON ADF FOR iR600 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 OPERATIONS
ADF controller PCB
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TNS
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RGBS
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SPS
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SKS
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-8 J13-2
DTS
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DTSAJ
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TAILS
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LAS
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SSW-0
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SSW-1
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SSW-2
-12 -2
SSW-3
-8 -6
SSW-4
J51
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MFRGSAJ
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MFRGS
-5 -8 -5
J21
Paper reference signal
When paper is present,
'0'.
Paper reference signal
When paper is present,
'0'.
Paper reference signal
When paper is present,
'0'.
Paper reference signal
When paper is present,
'0'.
Paper reference signal
When paper is present,
'0'.
When paper is present,
'0'.
Paper reference signal
Paper reference signal
When paper is present,
'0'.
Paper reference signal
When paper is present,
'0'.
Signal according to
paper width. (For
details, see p. 2-17.)
Paper reference signal
When paper is present,
'0'.
2-3