Canon LBP-2000, Service Manual

Page: 213 / 222

A - 9
APPENDIX
B . Inputs to and Outputs from the Paper Feeder Controller PCB
Connector
J 1
J 2
J 3
J 4
J 5
P i n
1
2
3
4
5
1
2
3
4
5
6
1
2
1
2
3
4
5
6
7
8
9
1 0
1 1
1
2
3
4
N o t a t i o n
P S S N 4
P S S N 3
GND
P S S N 2
P S S N 1
+5V
GND
/ C S P S E N
+5V
GND
F S N E
+ 2 4 V
/ P I C K C L
/ R X D O U
/ S T B O U T
SCLKOUT
GND
/ T X O U
/ S T R E M U
+5V
+ 2 4 V
+ 2 4 V
GND
GND
GND
GND
+ 2 4 V
+ 2 4 V
I / O
I n p u t
I n p u t
I n p u t
I n p u t
I n p u t
I n p u t
O u t p u t
I n p u t
O u t p u t
O u t p u t
O u t p u t
O u t p u t
Logic
L
P u l s e
L
C l o c k
P u l s e
L
S i g n a l
Cassette paper size 4 detection signal
Cassette paper size 3 detection signal
Cassette paper size 2 detection signal
Cassette paper size 1 detection signal
Cassette paper sensor detection signal
Paper feeder paper senor detection signal
Cassette pickup clutch drive signal
Machine internal communication signal
Strobe signal
Clock signal
Machine internal communication signal
Options select signal