Samsung SCX-6545N Service Manual page 54

2.2.4.11 SCF / HCF
A SCF PBA is a option cassette controlling in SCX-6545N. 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.
PAPER SENSOR PAPER SENSOR
PAPER SIZE PAPER SIZE
FEED SENSOR FEED SENSOR
< 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
Service Manual
Product spec and feature
FEED FEED
CLUTCH CLUTCH
SENSOR (Only SCF) SENSOR (Only SCF)
Near-End Near-End
FEED MOTOR FEED MOTOR
SENSOR (Only HCF) SENSOR (Only HCF)
2-42
I/F UPPER I/F UPPER
Near-End Near-End
I/F LOWER I/F LOWER
Samsung Electronics