Canon CP660 Service Manual page 61

2. Inputs to and Outputs from the Duplexing Driver PCB
Duplexing paper
sensor
PS24
Horizontal
registration
guide home
PS25
position sensor
Reversal paper
sensor
PS26
Duplexing
feeder roller 1
home position
PS23
sensor
Reversing
roller releasing SL7
solenoid
Duplexing
SL6
flapper solenoid
Duplexing
CL5
feeding clutch
M8
Duplexing motor
Horizontal
M7
registration
motor
COPYRIGHT © 1999 CANON INC.
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J20-3
-1
-2
J21-3
-1
-2
J22-3
-1
-2
J23-3
-1
-2
Figure 2-113
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION
Duplexing driver PCB
J2008-1
+5V
-3
DUPPS*
When the sensor detects paper, '0'.
-2
J2006-1
+5V
-3
HREGS
When the sensor detects that the
-2
horizontal registration guide is at
the home position, '1'.
J2007-1
+5V
-3
SWBKS*
When the sensor detects paper, '0'.
-2
J2007-4
+5V
-6
When the sensor detects that the
DRPS
-5
duplexing feeding roller 1 is at
the home position, '1'.
+24VA
J2009-2
-1
PRRESLD*
When '0', the reversing roller is
released.
+24VA
J2002-2
-1
DUPSLD*
When '0', paper enters the duplexing
unit.
+24VA
J2003-2
-1
DUPCLD*
When '0', the duplexing feeding
roller rotates.
J2004-1
SWBAD
-2
Duplexing motor rotation
SWBAND
-3
control signal
SWBBD
-4
SWBBND
J2005-1
HRGCOMA
-2
HRGCOMB
-3
HRGAD
-4
HRGAND
-5
HRGBD
-6
HRGBND
Horizontal registration motor
rotation control signal
2-13