7.
Connection Diagram
43984801TH Rev.1
124 /
Oki Data CONFIDENTIAL
• HVIF Connector Pin Allocation
(Connection to High-Voltage power or Sensor Board I/F)
Pin No. I/O
Signal
Function
1
1
O
CB2PWM
CB2 Output
2
2
O
CB1PWM
CB1 Output
3
3
O
CHPWM
CH Output
4
4
I
WRSNS
Paper Detection
5
5
C
GND
Logic Ground
6
6
O
TR2PWM
TR2 Output
7
7
O
TR1PWM
TR1 Output
8
8
I
VSEN
TR1 Power Voltage Detection
9
9
I
ISEN
TR1 Electric Current Detection
10
10
I
DB_I
DB2 Electric Current Detection
11
11
I
DB2_V_FB
DB2 Power Voltage Detection
12
12
I
SB_V_FB
SB2 Power Voltage Detection
13
13
CH_I
Not used
14
14
I
CH_V_FB
CH Power Voltage Detection
15
15
I
PSIN1
Paper Detection
16
16
O
DB1PWM
DB1 Output
17
17
O
DB2PWM
DB2 Output
18
18
O
SBPWN
SB2 Output
19
19
O
+5V
+5V Power
20
20
I
TONER
Toner Amount Detection
21
21
C
GND
Logic Ground
22
22
O
FANPOW
FAN Drive Power
23
23
I
FANALM
FAN Alarm Detection
24
24
I
THERM
Fusing Temperature Detection
25
25
I
CVOPN-N
Cover-open Detection
26
26
I/O
TAG
EEPROM 1-wire signal
27
27
C
GND
Logic Ground
28
28
O
FUSECUT
Fuse-cut signal
• THERM Connector Pin Allocation
(Connection to the environmental sensor)
Pin No. I/O
Signal
Function
1
1
O
THERM1
Sensor Power
2
2
I
THERM2
Environmental Temperature
Detection
• 2NDTRAY Connector Pin Allocation
(Connection to the Option tray I/F)
Pin No. I/O
Signal
Function
1
1
O
SCLK-N
Clock
2
2
I/O
DATA-N
Data
3
3
I
SDP-N
OPT Transmission Mode
4
4
O
OPCNT-N
Control Signal
5
5
C
0V
Logic Ground
6
6
O
+5V
Logic Circuit Power Supply
7
7
C
0VP
Analog Ground
8
8
O
+24V
Motor/ Clutch Drive Power