C. Inputs To And Outputs Of The Major Pcbs - Canon CP660 Service Manual

C. Inputs to and Outputs of the Major PCBs
1. Inputs to and Outputs from the DC Controller (1/10)
Registration
PS 1
paper sensor
Separation
PS 5
sensor
Pick-up
assembly
PS 17
paper sensor
Pick-up unit
cover sensor
PS 18
Cassette 2
sensor
Cassette 1
sensor
Cassette 2 paper
level sensor 1
Cassette 2 paper
level sensor 2
Cassette 1 paper
level sensor 1
Cassette 1 paper
level sensor 2
Cassette 2 paper
absent sensor
Cassette 1 paper
absent sensor
COPYRIGHT © 1999 CANON INC.
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J15
-3
J16-3 -1
-1
-1 -3
-2 -2
-2
J38
-3
-1
J49-3
-1
-1 -3
-2 -2
-2
Pick-up PCB
J13-3 J1205-1 +5V
-2 GND
-2
-3
-1 FEEDS*
+5V
J14-3 J1206-1
GND
-2 -2
-1 -3 RDOORS
PS 1201
PS 1202
PS 1204
PS 1203
PS 1206
PS 1205
PS 1207
PS 1208
Figure 2-103
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION
DC controller PCB
J212-8
P5SAVE
-10
REGS*
-9
J2 -5
P5SAVE
-7
SEPS*
-6
J1201-4 J210-18
P5SAVE
-14 -8
FEEDS*
-16
-6
RDOORS*
-12 -10
LDECKC*
-16 -6
UDECKC*
-7 -13
LPVS1*
-10 -12
LPVS2*
-5 -15
UPVS1*
-8 -14
UPVS2*
-9 -11
LDECKS*
-15 -5
UDECKS*
When the sensor detects
paper, '0'.
When the sensor detects
paper, '0'.
When the sensor detects
paper, '0'.
When the pickup unit cover
is opened, '0'.
When the cassette 2 is
detected, '1'.
When the cassette 1 is
detected, '1'.
The level of paper inside
the cassette 2 is checked
based on combinations of
the states of the two sensors.
For details, see p. 5-6.
The level of paper inside
the cassette 1 is checked
based on combinations of
the states of the two sensors.
For details, see p. 5-6.
When paper is present in
the cassette 2, '0'.
When paper is present in
the cassette 1, '0'.
2-3