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8
8
8-1
Samsung Electronics
Troubleshooting
Service Manual
8. Troubleshooting
8.1 Procedure of Checking the Symptoms
Before attempting to repair the printer first obtain a detailed description of the problem from the customer.
OP Panel
ON?
Refer to
"8.1.1 Basic Check List"
Print
Printing
guality is
normal?
END
Ready
or
Power Save
Indicate
"Error Message"
Power On
- No Power
- LCD Module
- Main PBA
Refer to
"8.5 Error Message"
Refer to
"8.2 Solution of Image Problem"
- SAMSUNG COLOR LASER 1
- 1. Precautions 2
- 1.2 Caution for safety 3
- 1.2.3 Handling Precautions 4
- Precautions 5
- 1.3 ESD Precautions 6
- 2. Reference Information 8
- Samsung Electronics 10
- Reference Information 10
- Service Manual 10
- 2.5 Wireless LAN 13
- 3. Specifications 14
- 3.2 Controller Specification 15
- 3.3 Electrical Specification 15
- 3.4 Environmental Range 15
- Specifications 16
- 3.6.2 Input Capacity 17
- 3.6.1 input Paper Size 17
- 3.6.3 Output Capacity 17
- Fuser Unit 18
- Waster Toner Sensor 19
- Waster Toner Motor 19
- Summary of product 20
- Summary of Product 21
- 4.1.2 Motor & Fan Layout 23
- >>Solenoid 24
- >>Clutch 25
- 4.1.5 Main Controller PBA 26
- 1) CPU BLOCK 28
- 2) SPGPm overview 28
- 1) DC output 32
- 2) AC output 32
- 3) Output voltage 32
- 1) Charging Voltage: Charger 34
- 4) Cleaning voltage: T2 (-) 34
- 5) Supplying voltage: Supply 34
- -1000V ~ -1500V 36
- -600V -600V 37
- (30,000rpm) 37
- Unexposed Expesed Unexposed 37
- System Outline 38
- 2) Developing state of color 39
- ITB Home Sensor 40
- 2) Primary Image Transfer 41
- 3) PTL (Pre-Transfer Lamp) 41
- 4) Secondary Image Transfer 42
- >Type 42
- 5.1.5 Fuser (Fusing Section) 43
- Waste Toner Tank 44
- 5.2.1 System Initialization 46
- 5.2.2 Warm-Up 46
- 5.2.3 Ready 47
- 5.2.4 Pre-Print 47
- 5.2.5 Print 48
- 5.2.6 Post-Print 48
- 6. Disassembly and Reassembly 50
- Disassembly and Reassembly 51
- 6.2.2 Printer Cleaning 53
- 6.3.1 Special service parts 54
- ITB Unit 57
- OPC Drum 58
- Toner Cap 60
- 6.4 Disassembly Procedure 61
- Top Cover 62
- 6.4.2 OP Panel Ass’y 65
- Duplex Ass’y 68
- 6.4.5 Fuser 70
- 4) Remove one harness 71
- 6.4.6 Exit Cover 72
- 6.4.7 SMPS and Main PBA 73
- Fuser Fan 76
- 6.4.9 Main Drive Ass’y 77
- Cam-Drive 77
- Washer-Plain 77
- Gear-Drive 78
- Pin-Drive 78
- BlackBlack 79
- RedRedBlackBlack 79
- Main PBA Shield 81
- Deve Cover Open S/W 83
- Terminal 84
- ITB Solenoid 85
- Deve Cover 86
- 6.4.15 LSU unit 87
- 6.4.16 DEVE OEM PBA 89
- OPC Lifter 90
- Snap -Fit Snap -Fit 92
- 6.4.19 Pick-UpAss'y 93
- Waste Toner 95
- Collectors 95
- B. SpringB. Spring 96
- 7. Alignment and Adjustments 98
- 7.1.2 Jams 99
- SCF Path 100
- 7.2 Jam Removal 101
- 7.2.3 Jam 0 In Tray 1 102
- 7.2.4 Jam 0 in MP Tray 1 103
- 7.2.6 Jam In Exit Area : Jam2 104
- Alignment & Adjustments 105
- 7.3 Sample Pattern 109
- 7.5.1 Display 111
- 7.5.2 Buttons 112
- 7.6 Periodic Defective Image 114
- Buttorns 115
- 7.7.2 EDC Whole Menu 116
- 7.7.2.1 Motor Test 117
- <How to operate> 117
- 7.7.2.2 Solenoid Test 118
- 7.7.2.3 Sensor Test 119
- 7.7.2.4 LSU & Fuser Test 120
- 7.7.2.5 Interface Test 120
- 7.7.2.6 Test Print 121
- 7.7.2.7 HVPS Test 122
- 8. Troubleshooting 124
- 8.1.1 Basic Check List 125
- 8.1.2 Initial Inspection 126
- Troubleshooting 127
- 8.2 Solution of Image Problem 128
- Replace the OPC Drum 130
- Cause Sequence of Treatment 130
- Feed Sensor 133
- Paper Empty Sensor 133
- Exit Sensor 134
- 8.4.1 Fuser Error 137
- 8.4.2 LSU Error 137
- 8.4.4 Paper Empty 138
- 8.4.6 Cover Open 138
- 8.4.8 Defective Motor 139
- 8.4.9 No Power 139
- 8.4.11 Low Toner 140
- 8.4.12 Replace Toner[CART] 140
- ADC Not Confirm Error 141
- Cover Open 141
- Dev. Motor Error 141
- Engine Fuser Low Heat Error 141
- Engine FuserOver Heat Error 142
- Engine LSU Error 142
- Main Motor Error 142
- Waste Motor Error 143
- Image Transfer Error 143
- Invalid Drum Cartridge 143
- Invalid Image Transfer 144
- Invalid Toner [Color] 144
- Invalid NEW Toner [Color] 144
- Jam 0 In [Tray] 144
- Replace Toner [Color] 148
- Tray2 Error 148
- Tray2 Jam Cover Open 148
- Waste Toner Full/Not Install 148
- 9.1 Main Exploded View 152
- 9.2 Cover Front Exploded View 153
- 9.3 Cover Top Exploded View 154
- 9.4 Cover Deve Exploded View 155
- 9.5 Exit Ass’y Exploded View 156
- 9.13 Main Frame Exploded View 164
- 9.15 Rear Frame Exploded View 166
- 9.16 Base Frame Exploded View 167
- 9.17 MP Ass’y Exploded View 168
- Parts List 174
- 10. Block Diagram 195
- 11. Connection Diagram 196
- < Signal Name Table > 197
- Connection Diagram 198
- CONNECTION DIAGRAM 199
- 17 Main BD(CN3 200
- 20 Main BD(CN9 201
- 21 Main BD(CN16 201
- Main BD(CN21 201
- 23 Main BD(CN31 201
- Main BD(CN12 203
- Main BD(CN11 203
- 37 Main BD(CN6 203
- Bigbang Plus 204
- [ RESET ] 205
- [ MAIN SYSCLK ] 205
- [ VCLK SYSCLK ] 205
- Bingbang Plus 206
- * FACTORY OPTION 206
- Network Interface 207
- CLP-511/511G ONLY 209
- (CENT36) 209
- 1202-000164 211
- OEM_CONN 212
- Power TestPoint 212
- FUSER FAN 213
- AN_FUSER1_OUT 216
- CONFIDENTIAL 217
- DEVE DRIVER 219
- CRUM_DEVE 222
- Bigbang-v1 Power Supply 225
- Bigbang-v2 Power Supply 226
- Bigbang-v2c Power Supply 227
- Printed in Korea 228
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