7-2-1. FDU - PSU
FDU: P301
No
Name
Function
V
1
+24V
DC power
24
2
+24V
DC power
24
3
COM3
Ground for +24V
0
4
COM3
Ground for +24V
0
7-2-2. FDU - SBU
FDU: P302
No
Name
Function
V
1
XVIDEO
Analog video signal
X
2
COM2
Analog ground
0
3
OPHTG
Shift clock to CCD
C
4
OPH1
First phase transfer clock
C
5
OPHRES
Reset clock (CCD output
buff.)
C
6
+5V
+5V DC power
5
7
+24V
DC power
24
7-2-3. Scanner Test Points
FDU: P303
No
Name
Function
V
1
XVIDEO
Analog video
X
2
COM2
Ground
0
3
SHT
Shift clock to CCD
C
7-2-4. FDU - Thermal Head
FDU: P304
No
Name
Function
V
1
COM3
Ground for +24V
0
2
COM3
Ground for +24V
0
3
+24VSW
Switched 24V
0
4
+24VSW
Switched 24V
0
7-2-5. FDU - FCE
P332: See FCE P402 (section 7-1-1)
7-2-6. FDU - FCE
P331: See FCE P401 (section 7-1-1)
7-2-7. FDU - Paper End Sensor (SB-4)
FDU: P333
No
Name
Function
V
1
SB4
Signal from sensor
X
2
COM1
Ground
0
3
+5V
DC power
5
7-2-8. FDU - Paper Jam Sensor (SB-5)
FDU: P334
No
Name
Function
V
1
SB5
Signal from sensor
X
2
COM1
Ground
0
3
+5V
DC power
5
7-2-9. FDU - Cover Sensor (SB-10)
FDU: P335
No
Name
Function
V
1
SB10
Signal from sensor
0
2
COM1
Ground
0
7-2-10. FDU - Cutter
FDU: P336
No
Name
Function
V
1
DCMT1
Cutter drive 1
0
2
DCMT0
Cutter drive 0
0
3
SB7
Signal from cutter end
position sensor
5
4
COM1
Ground
0
5
SB8
Signal from cutter home
position sensor
0
7-2-11. FDU - Rx Motor
FDU: P337
No
Name
Function
V
1
RXMA
Rx motor phase A drive
24
2
RXMAB
Rx motor phase A drive
24
3
RXMB
Rx motor phase B drive
24
4
RXMBB
Rx motor phase B drive
24
5
+24V
+24V DC power
24
6
+24V
+24V DC power
24
7-6