Samsung ML-2151N Especificaciones Pagina 31
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Service Manual
Summary of Product
4-14
Samsung Electronics
EEPROM (24C04)
- It is an EEPROM with 12C method,and it is used to DIMM and Option.
RAM--DIMM
- When extending a RAM,connect the additional SDRAM B’ d.
Joint B’ d Connector
- By connecting to Joint B’ d,it sends the operating signals of main/MP/Regi clutch and receives a cassette detect signal and a
MP empty signal.
If it is disconnected,it cannot detect such clutch operation and sensor.
Motor Connector
- It is connected to a main BLDC motor,and it sends the motor control signal of CPU.
If it is disconnected,a main motor does not operate.
Engine Connector
- It connects a SMPS,supplies the power,and delivers the high voltage control signal,etc.
If a harness is not normally connected to this connector,power cannot be supplied.
PTL connector
- It connects to a PTL and helps to deliver the PTL On signal.
Cover Open connector
- It detects the cover open.If it is disconnected,it cannot sense the cover on/off signal.
Main Fan connector
- It drives a fan by connecting a main fan of a set.
LSU connector
- It connects a LSU.
DC Motor connector
- It connects an exit motor and drives a DC motor.
SMPS Fan connector
- It connects a SMPS Fan.
Cart B d connector
- It connects a toner cartridge and detects the cartridge information,the paper empty signal,and the paper regi signal.
It connects the detecting signal of paper size,out-bin full,and thermistor.
It could cause a fuser detecting error,a toner detecting error,and a paper detecting error when it is disconnected.
Panel connector
- It is connected to a LCD panel.
Embedded Network Card connector
- A place to connect the Embedded MAC Network card.
Shared Network Card connector
- A place to connect the shared Network card.
- LASER PRINTER 1
- ML-2151N 1
- ML-2152W 1
- 1. Precautions 2
- 1.2 Caution for safety 3
- Precautions 4
- 1.3 ESD Precautions 5
- 2. Reference Information 6
- 2.1 Tool for Troubleshooting 6
- 2.3 Selecting a Location 8
- 2.4.1 A4 5% Patten 9
- 2.4.2 A4 2% Patten 10
- 2.4.3 A4 IDC 5% Patten 11
- 2.6 Wireless LAN 12
- REFERENCE INFORMATION 13
- 3. Specifications 14
- 3.3 Electrical Specification 15
- 3.2 Controller Specification 15
- 3.5 Environmental Condition 16
- Specifications 17
- 4. Summary of Product 18
- 4.1.2 Rear View 19
- 4.1.3 Control Panel 20
- 4.1.3.2 Buttons 21
- Accessing Control Panel Menus 22
- Summary of Product 23
- 4.1.3.5 Special Features 24
- 4.2 System Layout 26
- 4.2.1 Feeding 27
- 4.2.2 Transfer 28
- 4.2.3 Driver Ass'y 28
- 4.2.4 Fuser 28
- 4.2.6 Toner Cartridge 29
- 4.3 Main Board 30
- 4.3.1 Controller 32
- 4.3.2 Memory part 33
- 4.3.3 RESET Circuit 33
- 4.3.4 ClOCK Circuit 33
- 4.3.5 INTERFACE Part 33
- 4.3.6 Sensor input circuit 34
- Exit Sensor 35
- HVPS FuserMain PBA 35
- >>AC Input 37
- >>Rated Power Output 37
- >>Consumption Power 37
- >>Power Switch : Use 37
- 4.4.3 Fuser AC Power Control 38
- 4.5 Engine F/W 39
- 4.5.4 Fusing 40
- 4.5.5 LSU 40
- 5. Disassembly and Reassembly 41
- Open Cover 42
- Transfer Roller 42
- MPF Ass'y 43
- Tray Link 43
- Knock Up Plate Ass'y 43
- Cassette 44
- RH Cover 44
- 5.6 Control Board 45
- Main Drive 46
- Ass'y 46
- MP Solenoid 47
- Main Solenoid 47
- MP Empty 47
- Control Board 47
- Rear Cover 48
- LH Cover 48
- 5.11 DC Fan 49
- 5.12 Rear Cover 49
- Top Cover 50
- Key Panel 50
- Cover Open 50
- Micro Switch PBA 51
- Sensor Cap 51
- Inner Cover 51
- Fuser Ass'y 52
- Gear Bracket 52
- Fuser Upper Unit 52
- Pressure Roller 53
- Exit Motor 54
- Exit Roller 55
- Exit Gear 55
- Exit Roller Rack 56
- LSU Lower Cover 57
- HV Small 57
- Toner Sensor Board 57
- PTL Upper 58
- Gear Cap 58
- REGI Ass'y 58
- 5.22 MP Pick Up Ass’y 59
- Roller Ass'y 61
- 5.24 Pick Up Unit 62
- Engine Shield 64
- Engine Board 65
- LH Guide 65
- (Duplex) 65
- RH Guide 65
- 6. Alignment and Adjustments 66
- ALIGNMENT & ADJUSTMENTS 68
- Service 68
- 6.1.2.5 Sensor Test 71
- 6.2 Paper Path 73
- • Simplex 74
- • Duplex 74
- 6.2.1 Clearing Paper Jams 75
- • In the Optional Tray2 76
- • In the Multi-Purpose Tray 76
- 6.2.1.5 In the Duplex Area 79
- • Duplex Jam 1 79
- • Duplex Jam 2 79
- 6.3 Sample Pattern 80
- 6.3.3.1 Remaining Toner: xx% 81
- 6.3.3.2 OPC Count: XXXXXX 81
- 6.3.3.4 Supplier: SAMSUNG 81
- 솔레노이드솔레노이드 84
- 7. Troubleshooting 86
- 7.2.1 Wrong Print Position 93
- 7.2.2 JAM 0 93
- 7.2.4 JAM 2 94
- 7.2.3 JAM 1 94
- 7.2.6 JAM Duplex 2 95
- 7.2.5 JAM Duplex 1 95
- 7.2.7 Multi-Feeding 96
- 7.3.1 Fuser Error 98
- 7.3.2 LSU Error 98
- 7.3.4 Paper Empty 99
- 7.3.6 Cover Open 100
- TROUBLESHOOTING 101
- Samsung Electronics 101
- Service Manual 101
- 7.3.9 No Power 102
- 7.4 Toner Cartridge Service 104
- 7.4.4.1 Invalid Toner 105
- 7.4.4.2 Low Toner 105
- 7.4.4.3 Replace Cartridge 105
- Digital Printer 106
- 7.5.3 Abnormal Printing 111
- 7.5.4 SPOOL Error 112
- 8.1 Main Assembly 115
- Main Assembly Parts List(1/2) 116
- Main Assembly Parts List(2/2) 117
- 8.2 Base-Houshing Assembly 118
- SA : Service Available 119
- 8.3 Frame Assembly (1) 120
- Frame Assembly (2) 121
- Frame Assembly 122
- Parts List(1/3) 122
- Parts List(2/3) 123
- Parts List(3/3) 124
- 8.4 Fuser Assembly 125
- 8.5 Main Driver Assembly 128
- 8.6 Exit Driver Assembly 129
- 8.7 Regi Assembly 130
- 8.8 SMPS Assembly 131
- SMPS Unit Parts List 132
- 8.9 Cassette Assembly 133
- Cassette Assembly Parts List 134
- 8.10 SCF Assembly 135
- SCF Assembly Parts List(1/2) 136
- SCF Assembly Parts List(2/2) 137
- 9. Block Diagram 138
- B LOCK DIAGRAM 139
- 10. Connection Diagram 140
- CONNECTION DIAGRAM 141
- 11. Schematic Diagrams 142
- Main Circuit Diagram(2/9) 143
- Main Circuit Diagram(3/9) 144
- Main Circuit Diagram(4/9) 145
- Main Circuit Diagram(5/9) 146
- Main Circuit Diagram(6/9) 147
- Main Circuit Diagram(7/90) 148
- Main Circuit Diagram(8/9) 149
- Main Circuit Diagram(9/9) 150
- Schematic Diagrams 151
- HVPS Circuit Diagram(220V) 152
- SMPS Circuit Diagram(220V) 154
- SCF PBA Circuit Diagram(2/2) 162
- RAM DIMM Circuit Diagram(2/2) 164
- 11-7 PS3 ROM Circuit Diagram 166
- 11-12 OPC PBA Circuit Diagram 169
- Printed in Korea 171
- Copyright(c) 2003.04 172
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