Samsung ML-2552W Especificaciones Pagina 157
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Valorado. / 5. Basado en revisión del cliente
11-10
Schematic Diagrams
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R509
5.6K
DEV
50K
R513
30KF
R516
1/2W15MF
R510
100K
Q504
C2316
Q503
C945C-Y
ZD502
2.7VB
R511
470
ZD501
2.7V
R508
10K
R504
10K
R503
330KF
C504
472
Q501
A708-Y
D504
4KV
D503
D1NL20U
C507
MY-2A103
C505
104
R515
MF1/2W50K
R517
MF1/2W50K
ZD503
180V
T501
R550
1/2W1.8M
C509
3KV471
C550
2KV101
R514
1/2W10MF
R512
1/4W10
R409
5.6K
R408
10K
R410
100K
R416
1/2W100M
ZD403
100V
D402
1N4148
C403
331
C404
472
R403
1.5M
R404
10K
C402
102
R401
47K
R402
22K
C401
473
D404
4KV
C405
104
R411
470
Q403
C945C-Y
R412
1/4W5
Q404
C2316
ZD402
2.7VB
D403
D1NL20U
D401
1N4148
ZD401
2.7V
Q401
A708-Y
R415
MF1/2W100K
T401
24V1
5V1
D501
1N4148
R501
47K
R502
22K
5V1
D455
1N4148
R460
RD1/8W1.5K
C456
MY2A473
13 12
IC103/F
7407
1 2
MHV_READ
50K
R458
RS1/8W30KF
C458
MY2A473
D456
1N4148
+
3
-
2
1
8
4
R500
5.6K
5V1
R400
5.6K
C501
473
IN OUT
GND
IC101
KA7805
+
12
-
13
14
IC104/D
KA324
+
5
-
6
7
C406
CE-103
C407
103
C457
CE-103
C506
CE-103
R414
1/2W60MF
R461
RD1/8W2.2KJ
C102
35V47uF
C459
1KV221
R450
1/2W560K
5V1
C409
3KV471
C410
CE-104
C460
47uF
R413
30KF
MHV
20K
R417
100J
5V1
C508
47uF
5V1
Q102
B1151-Y
R101
3KJ
R102
1KJ
Q101
C1008
R104
100J
R103
1W1KJ
C502
102
C503
681
D502
1N4148
ZD404
3.3B
R518
100J
5V1
C101
35V47uF
24V1
BIAS
MHV
MHV_READ
5V1
24VS
3.3V
24V1
HVPS_+5V
>> BIAS-sen >> DEV
>> SUPPLY
>>MHV-sen
>> MHV-sen >> OPC
>> MHV
>>BIAS-sen
CN1-#4
BIAS PWM
MHV PWM
CN1-#6
MHV READ
CN1-#10
4
2
5
1
4
2
1
56
7
6
7
11-2 HVPS Circuit Diagram(1/2)
- 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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