Samsung CLX-8540ND - Page 46

Product Overview
Service Manual
2-35
Samsung Electronics
2.3.2.8 Finisher Board
The nisher board controls an optional nisher in CLX-8540ND. The nisher board consists a controller
(S3F443FX), two motor drive ICs to control feeding timing, and a LPEC1 for expanding control I/Os. An
UART port is also used to communicate between the Main-Engine board and the nisher board.
Finisher
Prin te r
# TxD
# RxD
Interface Cable
Connector 3Ways
D-Sub 15P. Female
10
11
12
13
14
15
# FIN_DETECT
# nFIN_RESET
+5V
N.C.
+3.3V
+24V
+24V
+24V
RxD #
TxD #
FIN_DETECT #
nFIN_RESET #
+5V
N.C.
+3.3V
+24V
+24V
+24V
GND(3.3/5V Power)
GND(3.3/5V Power)
GND(24V Power)
GND(24V Power)
FG(Case)
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Connector 3Ways
D-Sub 15P. Male
# : TTL Level (3.3V )
GND(24V Power)
GND(3.3/5V Power)
GND(3.3/5V Power)
GND(24V Power)
GND(24V Power)
GND(24V Power)
FG(Case)