Samsung SCX-6555N - Page 55

Product spec and feature
Service Manual
2-42
Samsung Electronics
2.2.4.11 SCF / HCF
A SCF PBA is a option cassette controlling in SCX-6555N. Max. 3 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 funtion is same with SCF and HCF & SCF can be able to be composed
together.
< Feeding Control >
The following example shows the order to select SCF.
Example)
- Event with 2nd SCF operating: 2’nd SCF -> 1’st SCF
-> 3’rd SCF
- Event with 3rd SCF operating: 3’rd SCF -> 2’nd SCF
-> 1’st SCF
- Event with 1st SCF operating: 1’nd SCF -> 3’st SCF
-> 2’rd SCF
1
'
st
S
C
F
2'nd SCF
3
'rd
S
C
F
1
'
s
t
S
C
F
H
C
F
1
'
s
t
S
C
F
H
C
F
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA