Samsung SF-4500 Service Manual page 46

6-1-5-3. HEAD CONTROLLER
This part consists of +22V Power Controller to
control head driver, Fault Test, Head Detection,
Substrate Heating and ambient Temperature
KS32C6200
(U16)
MFP
CONTROLLER
SCANIP (U18)
IMAGE
PROCESSOR
Samsung Electronics
+22V Power
/FAULT-TEST
Controller
/HGA1
Driver
Row
/HGA13
(7bit)
HOE1
Driver
Column
HOE16 (8bit)
/FAULT-TEST
Fault (Short)
Test
BIASOFF
Head
HEAD-DATA
Detection
/HEAD-EN
OK2PRINT
Substrate
PRE-HEAT
Heat
THM-DATA
Surround
temperature
THM-CLK
sensor part
Fig.6-1-12 Block Diagram of Printer
Sensor. It checks and controls head driver and ink
cartridge.
BA1
HEAD-ADDRESS
BA13
BP1
HEAD-DATA
BP16
/FAULT
BS1
Head
Selector
BH1,BH2
Ink
Cartridge
(Mono)
or
(Color)
HSM
6-15