Samsung CLP-350 Specifications Page 168
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System Diagram
Samsung Electronics
Service Manual
6-1
6
6
MPU: CHORUSm
AHB BUS
ARM920T
I/D cache
(16KB, 16KB)
LOCAL
SFR BUS
I2C
CONTROLLER
ENGINE
CONTROLLER
PULSE WIDTH
MODULATOR
MOTOR
CONTROLLER
LSU I/F
ADC/DAC
SDRAM
CONTROLLER
ETHERNET
EEPROM
AT24C64
FLASH ROM
MX29LV128MT
USB2.0 DRIVER
ISP1582
SCL
SDA
LOCAL BUS
LSU
USB2.0 PORT
N/W TRANS.
BCM5241
LD POWER
SYSTEM CLK VCLK
SYSTEM RESET
nRESET
DATA[31:0]
ADDR 23:2]
DATA[31:16]
ADDR[9:2]
FLASH ROM
MX29LV64MT ◊ 2
ADDR 23:2]
DATA[31:0]
BASE SDRAM
256Mbit ◊ 4
USB2.0
MAC CONTROL
MAC CONTROL
RJ-45 M.JACK
PCLK
USB_CLK
OPE
BLDC
SENSOR
GPIO
SOLENOID
/ CLUTCH
HPVC
PVC
GRAPHIC
EXECUTION
UNIT
ROTATOR/
SCALER/
HALFTONER
EEPROM
AT34C02
DEVE_JOINT
Y_SCRUM
AT88SC0204C
M_SCRUM
AT88SC0204C
C_SCRUM
AT88SC0204C
K_SCRUM
AT88SC0204C
SYSTEM BUS
CHARGER
T1
T2
BIAS AC
HVPS
BIAS DC
SCL
SDA
DC-DC
CONVERTOR
SMPS
DC-DC
CONVERTOR
1.2V
3.3V
5V
SCL
SDA
SCL
SDA
SCL
SDA
300MHz 32bits Processor / 496PBGA
SD[31:0]
SA[12:0]
EXTEND SDRAM
(SODIMM MODULE)
256Mbit ◊ 4
UART
SCF
6. System Diagram
6.1 Block Diagram
- CLP-350N 1
- Continued 3
- 1. Precautions 6
- 1.2 Caution for safety 7
- 1.2.3 Handling Precautions 8
- Precautions 9
- 1.3 ESD Precautions 10
- 2.1 Product Specifications 11
- 2.1.2 Specifications 12
- 2.1.2.2 Controller & S/W 13
- 2.1.2.3 Paper Handling 14
- 2.1.2.4 Consumables 15
- 2.1.2.5 Environment 16
- 2.1.2.6 Options 16
- 2.1.3 Model Comparison Table 17
- 2.2 System Overview 18
- 2.2.1.2 EP Process 20
- 2.2.2 Main PBA Description 24
- 2.2.2.2 Main PBA 25
- 2.2.2.3 Main PBA Description 26
- To Main PBA 31
- AC Input 31
- 2.2.3 CRUM 34
- CRUM Position 35
- 2.2.4 General Description 36
- 2.2.4.5 Interfaces 37
- 2.2.4.6 Control Panel 37
- 2.2.4.10 Sensor 38
- 2.2.4.11 CRUMS 38
- 2.2.4.8 Power Switch 38
- 2.2.4.9 Operator Panel 38
- 2.3.3 Status Monitor 39
- 2.3.1 Architecture 39
- 2.3.2 Language Monitor 39
- 2.3.4 Network Interface 40
- 2.3.6 System F/W Flow 41
- 2.3.7 Alarm Shortage 42
- 2.3.8 Error status 42
- 2.3.9 CRUM Overview 43
- 2.3.10 FW Upgrade 43
- 2.3.11 Initailize Flow 44
- 3. Disassembly and Reassembly 46
- Disassembly and Reassembly 47
- 3.2.2 Printer Cleaning 49
- 3.3.1 Special service parts 50
- 3.4 Disassembly Procedure 55
- 3.4.2 Fuser Unit 57
- 3.4.3 LSU Unit 58
- 3.4.4 HVPS Board 58
- 3.4.5 Main Board 59
- 3.4.6 Drive Unit 59
- 3.4.7 SMPS Board 60
- 3.4.8 Transfer Unit 60
- 4.1 Alignment and Adjustments 61
- 4.1.2 Function 62
- 4.1.2.2 LED Function 63
- 4.1.3 Jam Removal 66
- 4.1.4 Sample Pattern 69
- 4.1.6.1 Enterence 71
- 4.1.6.2 Keys 71
- 4.1.6.3 EDC Map 71
- 4.1.6.3(a) Motor Test 72
- 4.1.6.3(b) Solenoid Test 72
- 4.1.6.3(c) LSU/ Fuser Test 73
- 4.1.6.3(d) HVPS Test 74
- 4.1.6.3(e) Maintenance 75
- 4.1.7 Error Message 77
- 4.1.8 ITB Unit Reset 78
- 4.2 Troubleshooting 80
- 1) Light or faded print 92
- Toner specks 93
- Dropouts 94
- Vertical lines 95
- Color or Black background 96
- Toner smear 97
- Vertical repetitive defects 98
- Background scatter 99
- Misformed characters 100
- Page skew 101
- Curl or wave 102
- Wrinkles or creases 103
- Back of printouts aredirty 104
- Solid Color or Black pages 105
- Loose toner 106
- Character Voids 107
- Horizontal stripes 108
- Service Manual 109
- Samsung Electronics 109
- 4.2.5 Common Windows Problems 110
- 4.2.7 Common Linux Problems 112
- 1) Vertical Line and Band 116
- 2) Vertical White Line 117
- 3) Light Image 118
- 4) Dark Image or black 119
- 5) Background 120
- 6) JAM 0 121
- 8) Multi-Feeding 123
- 10) Paper Empty 124
- 11) Cover Open 125
- 12) Defective motor operation 125
- 13) No Power 126
- 15) LSU Error 127
- Contents 128
- 5.1 Main 129
- Main Parts List 130
- 5.2 Cover Unit 131
- Cover Unit Parts List 132
- 5.3 Top Cover 133
- Top Cover Parts List 134
- 5.4.1 Rear Cover 135
- Rear Cover Parts List 136
- 5.4.2 Transfer Unit 137
- Transfer Unit Parts List 138
- 5.5 Frame 1 139
- Frame Parts List 141
- 5.6 LSU Cover 143
- LSU Cover Parts List 144
- 5.7 Fuser Ass'y 145
- Fuser Ass'y Parts List 146
- 5.8 Main Drive 1 147
- Main Drive 2 148
- Main Drive Parts List 149
- 5.9 Cartridge-Transfer 151
- Cartridge-Transfer Parts List 152
- 5.10 Cartridge-Drum 154
- Cartridge-Drum Parts List 155
- 5.11 Toner BK 156
- Toner BK Parts List 157
- 5.12 Toner CMY 158
- Toner CMY Parts List 159
- 5.13 Cassette 160
- Cassette Parts List 161
- 5.14 SCF-Frame 1 162
- SCF-Frame 2 163
- SCF-Frame Parts List 164
- 5.15 SCF Cassette 166
- SCF Cassette Parts List 167
- 6. System Diagram 168
- 6.2 Connection Diagram 169
- 6.2.2 Power 170
- 6.2.3 Imaging, ITB Unit 171
- 6.2.4 HVPS, LSU 172
- 6.2.5 SCF, OPE, BLDC 173
- System Diagram 174
- • DVM(Digital Volt Meter) 175
- Reference Information 176
- ELECTRONICS 180
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