Samsung ML-2552W Especificaciones Pagina 86
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Samsung Electronics
ALIGNMENT & ADJUSTMENTS
Service
Manual
6.3 Sample Pattern
This product has the several sample patterns for maintenance. With the sample patterns, check the existence of the abnor-
mality. The patterns help to regularly maintain the product.
6.3.1 Printing a Demo Page
Print a demo page to make sure that the printer is operating correctly.
1. Press the Menu button on the control panel until you see “Information ” on the bottom line of the display..
2. Press the Enter button to access the Menu.
3. Press the scroll button until you see “Demo Page ” on the bottom line.
4. Press the Enter button .
A demo page showing the printer ’s features and capabilities prints out.
6.3.2 Printing a cleaning sheet
If you are experiencing blurred,faded or smeared printouts,you can clear the problem by printing a cleaning sheet,provid-
ed by your printer.You can print:
• OPC Cleaning sheet:cleans the OPC drum of the toner cartridge.
• Fuser Cleaning sheet:cleans the fuser unit inside the printer.
This process will produce a page with toner debris,which should be discarded.
1. Ensure that the printer is turned on and in ready mode with paper loaded in the tray.
2. Press the Menu button on the control panel until you see “Setup ” on the bottom line of the display..
3. Press the Enter button to access the Menu.
4. Press the scroll button until “Maintenance ” displays on the bottom line and press the Enter button .
5. Press the scroll button to select the required option,“OPC Cleaning ” or “Fuser Cleaning.”
6. Press the Enter button .
Your printer automatically picks up a sheet of paper from the tray and prints out a cleaning sheet with dust or toner
particles on it.
- 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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