Canon FAX-L1000 - Manual (Page 455)

5-97
FAX-L1000 Chapter 5: Appendix
d) Electrical circuit section
The signal detect by the duplexing unit pick-up sensor, face-up sensor and reversed paper
sensor, are sent ECNT board via the duplexing unit driver PCB.
Figure 5-42 Electrical Circuit Section
Duplexing unit driver PCB
Accepts the command when "L." /SEL0
+24VA
J704-1
-2
-3
J711-3
-2
-1
To ECNT
Command input
Status output
Serial clock SOUT
SIN
SCLK
J704-4
-5
-6
J712-3
-2
-1
To ECNT
"L" when the sensor detects paper.
Duplexing
unit exhaust
fan
Duplexing
unit solenoid
SL701
+24VA
Rotates when "H."
"H" when fan is locked.
DUP SOL Paper is fed to the duplexing unit
when "L."
J707-1
-2
-3
FM701
J719-1
-2
-3
J718-3
-2
-1
F ON
F LOCK
J702-1
-2
-3
-4
Duplex feed
motor
M702
FNT A
/FNT A
FNT B
/FNT B
Motor rotation control signals
J701-1
-2
-3
-4
Reversing
motor
M701
INT A
/INT A
INT B
/INT B
Duplexing
unit pick-up
sensor
PS701
J713-3
-1
-2
+24VA
J706-2
-4
-3
PICK SNS "L" when the sensor detects paper.
Face-up
sensor
PS702
J714-3
-1
-2
+24VA
J705-4
-6
-5
FU SNS "L" when the face-up delivery is
selected. "H" when the face-down
delivery is selected.
Reversed
paper sensor
PS703
J717-3
-1
-2
+24VA
J705-1
-3
-2
INV SNS
J716-2
-4
-3
J715-3
-1
-2
Motor rotation control signals
J703-1
-2