Samsung SCX-4300 Series - Connection Diagram

3.2 Connection Diagram
EIGER CONNECTION DIAGRAM REV 0.0
1: LSU_CLK 2: nLREADY 3: nPMOTOR 4: GND 5: 24VS 6: nHSYNC
7: LSU_5V 8: GND 9: LD_ON 10: VDO 11: GND
LSU_UNIT
1: 3.3V 2: HYPER_TX 3: HYPER_RX 4: GND
DEBUG
1: A 2: B 3: A/ 4: B/
1: CIS_SIG 2: 3.3VS 3: GND 4: 3.3VS 5: Vref 6: CIS_SI
7: CIS_CLK 8: VLED 9: LED_B 10: LED_G 11: LED_R 12: GND
ENGINE MOT
CIS_UNIT
SCAN_MOT
1: A 2: B 3: A/ 4: B/
1: nP_EMPTY 2: nP_FEED 3: 5V 4: 5V 5: GND 6: GND 7: 3.3V 8: GND 9: GND 10: GND 11: 24VS 12: 24VS 13: MANUAL
14: 24V 15: LSU_5V 16: THV_READ 17: LSU_5V 18: nTHV_PWM 19: THV_EN 20: nBIAS_PWM 21: MHV_PWM 22: LSU_5V 23: 5V 24: FAN 25: FUSER_ON 26: P_EXIT
1: NC 2: LSU_5V 3: LSU_5V 4: LSU_5V 5. 5V
1: M_CLUTCH 2: N.C 3: 24VS 1: 24VS 2: MP_CLUTCH
MAIN_CLUTCH
MP_CLUTCH
THERMISTOR
PTL
OP_PANEL
SMPS/HVPS
MAIN
CONTOLLER
1: 3.3V 2: PTL
1: GND 2: OPE_RX 3: OPE_RST 4: OPE_TX 5. 5V
CDRH S/W
1: FAN2 2: NC 3: 24VS
FAN 2
Service Manual
24
Samsung Electronics