Digital Printing R & D 1 group Feb 2008 Education of CLP-310/310N.
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Transcript of Digital Printing R & D 1 group Feb 2008 Education of CLP-310/310N.
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Digital Printing R & D 1 group
Feb 2008
Education of CLP-310/310N
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AgendaAgenda
I. Outline
II. Composition & Function
III. Trouble shooting
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Ⅰ.Outline
ObjectivesObjectives
1. Understanding the basic structures
and function of Hardware
2. Checking & building ability to
Trouble Shooting
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System Configuration
Ⅱ. Composition & Function
.Model CLP-310 CLP-310N 비고
Processor Chorus 3(SoC) Chorus 3(SoC)
DDR 2. 32MB 32MB
Flash ROM 2MB 4MB
EEPROM 8KB(24C64) 8KB(24C64) 4K : N/W, 4K : System
Compatibility:. GDI(SPL-color) GDI(SPL-color)
Interfaces:. USB2.0, LAN USB2.0, LAN Embedded N/W With MII
User.Interfaces Only LED panel Only LED panel
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Block Diagram of CLP-310N
Ⅱ. Composition & Function
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Connection Diagram of CLP-310N
Ⅱ. Composition & Function
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H/W configuration
Ⅱ. Composition & Function
Sungho SMPS
Main Board
HVPS
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H/W configuration
Ⅱ. Composition & Function
SEM SMPS
Main Board
HVPS
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Main General description
Main PBA employs Chorus3 as an ASIC, which is developed for LBP Printer
Ⅱ. Composition & Function
13 1524
3
30
2D
10 7 9
14
16
1
20
AB
48
C
E
512
172221
18
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Main General description
Ⅱ. Composition & Function
NO. NAME
1 Deve home CON.(3P)
2 ITB CLT(3P)
3 Deve CLT(2P)
4 Debug(4P)
5 T2 CLT(2P)
7 Fuser(2P)
8 Regi CLT.(2P)
9 Fuser CLT.(2P)
10 BLDC Motor(10P)
12 ITB Tension(3P)
13 HVPS(26P)
14 Wired N/W Con. (14P)
15 OPE & ITB (15P)
16 USB Con. (6P)
17 Key PTL(10P)
18 Cover OPEN (2P)
19 Pickup CLT (2P)
NO. NAME
20 Pickup CLT. (3P)
21 SMPS (16P)
22 CRUM Con. (5P)
24 LSU Con.(16P)
30 Empty. (3P)
NO. NAME
A CPU(Chorus3)
B DDR2 (32MB)
C NOR FLASH(2MB or 4MB)
D EEPROM
E PHY Chip
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Main B’D configuration
Ⅱ. Composition & Function
DDR2 SDRAM
FLASHROM
USBChip
PhyChip
DATA(15:0)
ADDR (22:1)
DQ (15:0)
DDR_SA (12:0)
MII
EEPROMI2C BUS
SwitchingRegulator
3.3V
1.0V
Electrical Part(HVPS & Sensors)
Mechanical Part(Motor & Actuator)
Engine Control
I/O & PWM Port
SwitchingRegulator
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Ⅱ. Composition & Function
Main B’D
CPU : Chorus 3 (SoC)
Memory :
- RAM : Default 32MB
- ROM : 2MB(CLP-310), 4MB(CLP-310N)
- NVRAM : 8KB (4K : N/W Parameter (MAC Address))
Peripherals :
- USB 2.0
- 10/100 Based N/W (MII Interface Phy Chip Used)
I/O :
- Digital I/O Port : Basic I/O, PWM : Motor & HVPS Control
- UART : Debug Only
- I2C : NVRAM & CRUM Interface
- Analog I/O Port (ADC : Sensor Interface, DAC : LD Power Control)
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Ⅱ. Composition & Function
Chorus 3 Architecture
CPU Core : ARM926EJS, 360Mhz (I-Cache : 16KB, D-Cache : 16KB)
DDR SDRAM Controller : DDR1/2, 16-bit width, 166MHz
ROM Controller : 2 channel NOR flash controller, 2 Banks ( 1 Bank Used)
I/O Controller : 4-channels external I/O device, 2-channel DMA I/O
DMA Controller : 3 Channel
HPVC : 4 Channel Dual / Single Beam
UART : 4 Channels (Debug 1 Channel used only)
Interrupt : 4 dedicated external, 64 Internal
TIMER : 6 System Timer (S/W use Only)
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Ⅱ. Composition & Function
Memory InterfaceROM :
- Nor Flash used (16MB)
- Interface With Chorus 3 ROM Controller
SDRAM :
- Size : CLP-310/310N(DDR2) : Default 32MB
- interface with Chorus 3 RANM Controller
EEPROM :
- Size : 8KB
- Interface With Chorus 3 I2C Controller
CRUM :
- Size : 256Byte
- Interface With Chorus 3 I2C Controller via Joint Crum B’D
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Ⅱ. Composition & Function
I/O InterfaceHigh Speed USB 2.0 (High speed 480Mbps / Full speed 12Mbps)
N/W Embedded
- Chorus M With MII Interface
- Active LED(Yellow) / Link LED(Green)
PWM
- High Voltage Control With Duty
- Main Motor Clock
I2C Interface
- NVRAM (system information + network information)
- CRUM
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Power Flow
SMPS
- Type II stage 3 (standard type)
- +24V : For use Mechanical Part (Motor & Actuator (Solenoid, Clutch))
- +5V : Logic, Analog, Sensor,
Ⅱ. Composition & Function
Main B’D
- Supply From SMPS +5V
- Power Supply with two Regulator (3.3V & 1.0V : Switching Regulator)
- 3.3V : I/O Operating (Digital & Analog)
- 1.0V : Chorus 3 Core Voltage
HVPS
- Supply From SMPS +24V
- High Voltage Source for EP Condition is Controlled By PWM Pulse
& I/O Signal
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Ⅱ. Composition & Function
CRUM Interface
SDA
SCL
NVRAM24C64
MAIN BD
Crum Joint BD
TONER CRUMnCRUM
TONER CRUMnCRUM
TONER CRUMnCRUM
TONER CRUMnCRUM
TONER CART
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Ⅱ. Composition & Function
OP panel General description
OP panel
- 4 LED (red) / 2 dual LED (red/green)
- 1 button
-+5V Switch operation
- GPIO control
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Ⅱ. Composition & Function
SMPS : INPUT : AC 110V or 220V OUTPUT : 24V, 5V
O
Fuse ACFuse AC
Fuse 24VFuse 24V
Fuse 5VFuse 5V
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Ⅱ. Composition & Function
SMPS : INPUT : AC 110V or 220V OUTPUT : 24V, 5V
O
Fuse ACFuse AC
Fuse 24VFuse 24V
Fuse 5VFuse 5V
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Ⅱ. Composition & Function
HVPS
T2 +1550V±3% -1300V±20%
T1 +1000V±3%
CHARGER -1000V±3%
K
C
M
Y
BIAS AC +180V±3%BIAS DC -595V±3%
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Ⅲ. Troubleshooting
Error Vertical Line and Band
[Description ]1. Straight thin black vertical line occurs in the printing.
2. Dark black vertical band occur in the printing.
[Wrong Part]1. LSU
2. Developer Unit
[Check and Cause]
1. Damaged develop roller in the Developer.
2. Deformed Doctor-blade
[Solution]
1. If causes 1 and 2 occur in the developer unit, replace the
developer and try to print out.
[Etc]
Trouble & Solution
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Error Dark Image or black
[Description ] The printed image is dark.
[Wrong Part] 1. HVPS
[Check and Cause]
1. No charge voltage in the HVPS board.
2. There isn’t High Voltage Contact Spring between HVPS and OPC Unit.
3. No PWM signal for EP Condition Supplies from Main Board
[Solution]
1. Replace the HVPS.
2. If High Voltage Contact Spring isn’t, Replace the Spring.
3. Replace the Main Board.
Trouble & Solution
Ⅲ. Troubleshooting
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Error JAM 0, JAM 1
[Description ]1. Paper is not exited from the cassette.
2. Jam-0 occurs if the paper feeds into the printer.
[Wrong Part]
1. Sensor
2. Solenoid
3. Pick-up roller
4. Main B’D
[Check and Cause]
1. Check the Solenoid & feed-sensor by using EDC mode.
3. Check the surface of the roller-pickup for foreign matter.
[Solution]
1. Replace the solenoid and/or feed-sensor.
2. Replace the roller-pick up
3. Replace the Main B’D
Trouble & Solution
Ⅲ. Troubleshooting
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Error Paper Empty
[Description ]The Error status LED on the operator panel is on even when paper is loaded in the cassette.
[Wrong Part]1. Actuator
2. Sensor
[Check and Cause]
1. Bending or deformation of the actuator of the paper sensor.
2. The function of the Main board is defective Perform
[Solution]
1. Replace the defective actuator.
2. Replace the Main board.
Trouble & Solution
Ⅲ. Troubleshooting
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Error Defective motor operation
[Description ]Main motor is not driving when printing, and Displaying “Motor Error” On SM Message.
[Wrong Part]1. Main PBA
2. Motor Harness
[Check and Cause]
1. Motor harness or sub PCB may be defective.
2. Check the Operating Signal and Clock from Main Board.
3. Check the +24V switch.
[Solution]
1. Check the motor harness, replace it, if defective.
2. Check 24V in the SMPS, replace it, if defective.
3. Check the Cover Switch, replace it, if defective.
3. Replace the Main PBA, if necessary.
Trouble & Solution
Ⅲ. Troubleshooting
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Error No Power
[Description ]When system power is turned on, all lamps on the operator panel do not come on and motor is not driving.
[Wrong Part]1. SMPS
2. OP Panel & Main Board.
[Check and Cause]
1. Check if the power input and SMPS output are normal.
2. Check the interfaces of LED-Panel on the front-cover if the LED of
Panel does not appear after normal warming up.
[Solution]
1. Replace the SMPS.
2. Replace the control board.
3. Replace the LED-panel.
Trouble & Solution
Ⅲ. Troubleshooting
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Error Vertical Line Getting Curved
[Description ] When printing, vertical line gets curved.
[Wrong Part]1. LSU
2. Main PBA
[Check and Cause]
1. LSU P_Motor is unstable.
2. Contact of the GND of Roller-Exit is unstable.
3. If the supply of +24v is unstable in the Main Control board linking
with LSU
[Solution]
1. Replace LSU.
2. Replace the Main Control board.
3. Replace the GND of Roller-Exit
Trouble & Solution
Ⅲ. Troubleshooting
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Error LSU Error
[Description ] The printing is stop in the fad status, With LSU Error SM Message
[Wrong Part]
1. LSU
2. Main Controller
3. Flat Cable Harness
[Check and Cause]
1. LSU P_Motor or Hsync Signal is defective.
2. Main Controller LSU Part defect.
3. Check the connection between Main Board and LSU.
[Solution]
1. Check the Flat Cable Harness, Replace it if necessary.
2. Replace LSU.
3. Replace Main Board.
Trouble & Solution
Ⅲ. Troubleshooting
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