Samsung ML-2552W Especificaciones Pagina 146
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10-1
Samsung Electronics
Connection Diagram
Service Manual
10
10
10. Connection Diagram
1 3.3V
2 BIN_FULL
3 GND
1 THERM1 12 GND 1 1 LSUCLK 1
2 THERM2 11 CART_CLK 2 2 /LREADY 2
10 CART_DATA 3 3 /LASER MOT 3
1 GND 9 3.3V 4 4 GND 4
1 VCC 2 P_REGI 8 P_EMPTY 5 5 24V 5
2 SIGNAL 3 P_EMPTY 7 P_REGI 6
3 GND 4 3.3V 6 THERM1 7 6 3.3V 7
5 THERM2 8 7 VDO- 6
1 P_SIZE1 4 P_SIZE1 9 8 VDO+ 5
2 P_SIZE2 3 P_SIZE2 10 9 /LD_ON 4
3 P_SIZE3 2 P_SIZE3 11 10 GND 3
4 GND 1 OUTBIN_FULL 12 11 5VS 2
12 /HSYNC 1
2 NC 1 1 24V
1 3.3V 1 24V 2 2 24VS
2 SIGNAL 4 DEV_PWM 3
3 GND 3 24V 4
6 MHV_PWM 5 1 VCC 6
5 24V 6 2 3.3V 5
1 MHV 8 GND 7 3 PANEL_TX 4
2 NC 7 GND 8 4 PANEL_RX 3
3 NC 10 MHV_READ 9 5 PANEL_RST 2
4 OPC_GND 9 GND 10 6 GND 1
5 NC 12 THV_READ 11
6 SUPPLY 11 3.3V 12 1 PA_1 4
7 NC 14 THV_EN 13 2 PA_2 3
8 DEV 13 3.3V 14 3 PB_1 2
16 THV_PWM 15 4 PB_2 1
1 15 GND 16
2 18 24VS 17 1 24VS 9
17 GND 18 2 24VS 8
1 20 VCC 19 3 GND 7
2 19 VCC 20 4 GND 6
3 22 NC 21 5 GND 5
21 P_EXIT 22 6 VCC 4
24 P_DULPEX 23 7 /START_STOP 3
23 FUSER 24 8 MOT_RDY 2
9 MOT_CLK 1
24V 1 1 3.3V 8
NC 2 2 SCF_STS 7
GND 3 3 SCF_GND 6
4 SCF_CLK 5
8 24VS 1 5 SCF_RDY 4
24V 1 7 TRAY2 SOL 2 6 24V 3
2 6 TRAY1 SOL 3 7 GND 2
GND 5 TRAY2 CLUT 4 8 GND 1
4 TRAY1 EMPTY 5
24V 1 3 3.3V 6
2 2 TRAY2 OUT 7 1 24V
GND 1 GND 8 2 NC
3 GND
5V 1
SIGNAL 2 1 24V
GND 3 2 GND
NC 1 1 VCC
GND 2 2 GND
CST_OUT 3
Outbin_Full
Sensor
Joint PBA
LSU
P_Motor
LD_PBA
Cover Open
Switch
Panel
Sub_Motor
Main_Motor
SCF_
Controller
Main_Fan
Sub_Fan
PTL
Main PBA
SMPS
/
HVPS
Thermistor
Sensor PBA
Paper Size
PBA
Regi
Sensor
Exit_Sensor
Toner
Cartridge
Lamp
Inlet
Connector
PBA
Tray2 Clutch
Tray2 Solenoide
Tray1 Solenoide
Tray1 Empty Sensor
Tray2 Out
(PBA In)
- LASER PRINTER 1
- ML-2551N 1
- ML-2552W 1
- Copyright(c) 2003.09 2
- Printed in Korea 3
- 1. Precautions 4
- 1.2 Caution for safety 5
- Precautions 6
- 1.3 ESD Precautions 7
- 2. Reference Information 8
- 2.1 Tool for Troubleshooting 8
- 2.3 Selecting a Location 10
- 2.4.1 A4 5% Patten 11
- 2.4.2 A4 2% Patten 12
- 2.4.3 A4 LSA 5% Patten 13
- 2.6 Wireless LAN 14
- Reference Information 15
- 3. Specifications 16
- 3.3 Electrical Specification 17
- 3.2 Controller Specification 17
- 3.5 Environmental Condition 18
- Specifications 19
- 4. Summary of Product 20
- 4.1.2 Rear View 21
- 4.1.3.1 Display 22
- 4.1.3.2 Buttons 23
- Accessing Control Panel Menus 24
- Summary of Product 25
- 4.1.3.4 Special Features 26
- 4.2 System Layout 28
- 4.2.1 Feeding 29
- 1) Thermostat 30
- 3) Heat roller 30
- 4) Pressure roller 30
- 5) Items for safety 30
- 4.2.6 Toner Cartridge 31
- 4.3 Main Board 32
- 4.3.1 ASIC (SPGPi) 33
- Summary of product 34
- 4.3.2. Memory part 36
- 4.3.3. RESET Circuit 36
- 4.3.4. ClOCK Circuit 36
- 4.3.5. INTERFACE Part 36
- 4.3.6. Sensor input circuit 37
- Exit Sensor 38
- HVPS FuserMain PBA 38
- >>Power Switch : Use 40
- >>AC Input 40
- >>Rated Power Output 40
- >>Consumption Power 40
- 4.4.3. Fuser AC Power Control 41
- 4.5.1.1 Jam 0 42
- 4.5.1.2 Jam 1 42
- 4.5.1.3 Jam 2 42
- 4.5.1.4 Duplex Jam 1 42
- 4.5.1.5 Duplex Jam 2 42
- 4.5.4 Fusing 43
- 4.5.5 LSU 43
- 5. Disassembly and Reassembly 45
- Transfer Roller 46
- MPF Ass’y 47
- Tray Link 47
- MP Cover 47
- Knock Up Plate Ass’y 47
- Retard Ass’y 48
- 5.5 Cover-Right 49
- 5.6 Main PBA 50
- Main Drive Ass’y 51
- Main Motor Ass’y 51
- Cover Joint PBA 51
- 5.8 Connector PBA 52
- MP Solenoid 53
- Main Solenoid 53
- Cover-Rear 54
- 5.11 DC Fan 55
- Tie Stopper 56
- Rear Cover 56
- Top Cover 57
- Micro Switch PBA 58
- Sensor Cap 58
- Thermistor 59
- Pressure Roller 60
- 5.17 Exit Drive 61
- Actuator 62
- 5.19 LSU 63
- LSU Lower Cover 64
- HV Small 64
- Toner Sensor PBA 64
- PTL Upper 65
- Gear Cap 65
- 5.22 MP Pick-up Ass’y 66
- Bottom Cross Bar 68
- Pick Up Unit 69
- Power Shield 70
- Engine PBA 71
- <1> Outline 72
- <2> Usage 72
- ALIGNMENT & ADJUSTMENTS 74
- Service 74
- 6.1.2.5 Sensor Test 77
- Toner Cartridge 79
- • Simplex 80
- • Duplex 80
- • In the Tray1 81
- • In the Optional Tray2 82
- • In the Multi-Purpose Tray 82
- 6.2.1.5 In the Duplex Area 85
- • Duplex Jam 1 85
- • Duplex Jam 2 85
- 6.3 Sample Pattern 86
- 6.3.3.1 Remaining Toner: xx% 87
- 6.3.3.2 OPC Count: XXXXXX 87
- 6.3.3.4 Supplier: SAMSUNG 87
- <Rollers Layout> 90
- 7. Troubleshooting 92
- 7.1.3 Horizontal Black Band 93
- 7.1.4 Black/White Spot 93
- 7.1.5 Light Image 94
- 7.1.9 Ghost (1) 96
- 7.1.10 Ghost (2) 96
- 7.1.11 Ghost (3) : Fuser 97
- 7.2.1 Wrong Print Position 99
- 7.2.2 JAM 0 99
- 7.2.4 JAM 2 100
- 7.2.3 JAM 1 100
- 7.2.6 JAM Duplex 2 101
- 7.2.5 JAM Duplex 1 101
- 7.2.7 Multi-Feeding 102
- Troubleshooting 103
- Samsung Electronics 103
- Service Manual 103
- 7.3.1 Fuser Error 104
- 7.3.2 LSU Error 104
- 7.3.4 Paper Empty 105
- 7.3.6 Cover Open 106
- 7.3.9 No Power 108
- 7.4 Toner Cartridge Service 110
- 7.4.4.1 Invalid Toner 111
- 7.4.4.2 Low Toner 111
- 7.4.4.3 Replace Cartridge 111
- Digital Printer 112
- 7.5.3 Abnormal Printing 117
- 7.5.4 SPOOL Error 118
- Main Assembly Parts List 122
- 8.2 Base-Houshing Assembly 124
- 8.3 Frame Assembly (1) 126
- Frame Assembly (2) 127
- Frame Assembly Parts List 128
- 8.4 Fuser Assembly 131
- 8.5 Main Driver Assembly 134
- 8.6 Exit Driver Assembly 135
- 8.7 Regi Assembly 136
- 8.8 SMPS Assembly 137
- SMPS Assembly Parts List 138
- 8.9 Cassette Assembly 139
- Cassette Assembly Parts List 140
- 8.10 SCF Assembly 141
- SCF Assembly Parts List 142
- 9. Block Diagram 144
- Block Diagram 145
- 10. Connection Diagram 146
- Connection Diagram 147
- Main Circuit Diagram(1/9) 148
- Main Circuit Diagram(2/9) 149
- Main Circuit Diagram(3/9) 150
- Main Circuit Diagram(4/9) 151
- Main Circuit Diagram(5/9) 152
- Main Circuit Diagram(6/9) 153
- Main Circuit Diagram(7/90) 154
- Main Circuit Diagram(8/9) 155
- Main Circuit Diagram(9/9) 156
- Schematic Diagrams 157
- HVPS Circuit Diagram(220V) 158
- SMPS Circuit Diagram(220V) 160
- SCF PBA Circuit Diagram(2/2) 168
- RAM DIMM Circuit Diagram(2/2) 170
- 11-7 PS3 ROM Circuit Diagram 172
- 11-12 OPC PBA Circuit Diagram 175
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