Service Manual
2-33
2.3.2.9 SCF/HCF PBA
A SCF PBA is a option cassette controlling.
A m
ax.
of
2 cassettes are connected on a purpose of
feeding paper. It consists one controller
(S3F443FX) and two motor drive IC to control feeding timing through
Uart communication with a Main controller.
This PBA is also used in HCF. Key function is same with SCF and HCF & SCF can be able to be composed
together.
No.
Signal Name
Direction
Active Level
Description
1
24V
POWER
-
+24V Power
2
3.3V
POWER
-
+3.3V Power
3
GND
POWER
-
Signal Ground
4
TxD
OUT
-
Data Transmission
5
RxD
IN
-
Data Receive
6
nBUSY
OUT
LOW
SCF TxD Line Busy
7
nCMDREQ
OUT
LOW
Command Request
8
Reserved1
I/O
LOW
Reserved
9
Reserved2
I/O
LOW
Reserved
Product
S
pec
ifications
and
F
eature
s
Summary of Contents for MFX-C4000
Page 2: ......
Page 14: ...Precautions Service Manual 1 6 ...
Page 35: ...Service Manual 2 21 Video Controller Power Distribution Product Specifications and Features ...
Page 37: ...Service Manual 2 23 Engine Controller Power Distribution Product Specifications and Features ...
Page 39: ...Service Manual 2 25 DADF Block Diagram Product Specifications and Features ...
Page 106: ...Maintenance and Disassembly Service Manual 3 44 ...
Page 216: ...Alignment Troubleshooting Service Manual 4 110 ...
Page 217: ...System Diagram Service Manual 5 1 5 System Diagram 5 1 Block Diagram 5 1 1 System ...
Page 218: ...System Diagram Service Manual 5 2 5 1 2 Video Controller ...
Page 219: ...System Diagram Service Manual 5 3 5 1 3 Engin Controller ...
Page 220: ...System Diagram Service Manual 5 4 5 1 4 OPE Unit ...
Page 221: ...System Diagram Service Manual 5 5 5 1 5 DADF ...
Page 222: ...System Diagram Service Manual 5 6 5 1 6 SCF HCF ...
Page 225: ...System Diagram Service Manual 5 9 5 2 3 OPE Unit ...
Page 226: ...System Diagram Service Manual 5 10 5 2 4 DADF ...
Page 227: ...System Diagram Service Manual 5 11 5 2 5 SCF HCF ...
Page 228: ...System Diagram Service Manual 5 12 ...
Page 237: ...Reference Information Service Manual 6 9 ...
Page 238: ...Reference Information Service Manual 6 10 ...
Page 239: ...Reference Information Service Manual 6 11 ...
Page 240: ...Reference Information Service Manual 6 12 ...
Page 279: ......