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III. LIST OF SIGNALS
A. DC controller
Connector
Pin
Abbreviation I/O Logic
J1001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
/VDOEN
16
17
/LSYNC
18
19
20
21
22
23
/CPRDY
24
25
/PPRDY
26
27
28
29
30
31
32
J1002
1
2
3
4
5
6
7
8
J1003
1
/ITBSW
2
3
/DEVSW
4
/PDLV
OUT
L
PAPER DELIVERY signal
/PFED
OUT
L
PAPER FEED signal
SGND
VCLK
IN
P
VIDEO CLOCK signal
SGND
/VDO0
IN
L
VIDEO signal
/VDO1
IN
L
VIDEO signal
/VDO2
IN
L
VIDEO signal
/VDO3
IN
L
VIDEO signal
/VDO4
IN
L
VIDEO signal
SGND
/VDO5
IN
L
VIDEO signal
/VDO6
IN
L
VIDEO signal
/VDO7
IN
L
VIDEO signal
IN
L
VIDEO DATA ENABLE signal
N.C.
OUT
L
LINE SYNC signal
SGND
/TOP
OUT
P
TOP OF PAPER signal
/PRNT
IN
L
PRINT signal
/SDM
IN
L
DATA MODE signal
/RDY
OUT
L
READY signal
IN
L
CONTROLLER POWER READY signal
/CCRT
OUT
L
STATUS CHANGE signal
OUT
L
PRINTER POWER READY signal
/CBSY
IN
L
COMMAND BUSY signal
/CMD
IN
L
COMMAND signal
SBSY
OUT
L
STATUS BUSY signal
/STS
OUT
L
STATUS signal
/CCLK
IN
L
CONTROLLER CLOCK signal
+5V
/SGND
+5V
/IOTR
IN
SERIAL INPUT signal (STATUS signal)
GND
/IOTT
OUT
SERIAL INPUT signal (COMMAND signal)
/SEL0
IN
L
For factory use
/SEL1
IN
L
For factory use
/SEL2
IN
L
For factory use
/DEVM
IN
L
For factory use
IN
H
ITB UNIT DRAWER OPEN DETECTION signal
SGND
IN
H
TONER CARTRIDGE DOOR OPEN DETECTION signal
SGND
APPENDIX
Signal name
A - 29
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