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Precautions

Service Manual

1-1

Samsung Electronics

In order to prevent accidents and damages to the equipment please read the precautions listed below 

carefully before servicing the product and follow them closely.

1.1 Safety warning

(1)  Only to be serviced by a factory trained service technician. 

High voltages and lasers inside this product are dangerous. This product should only be serviced by a 

factory trained service technician.

(2)  Use only Samsung replacement parts. 

There are no user serviceable parts inside the product. Do not make any unauthorized changes or 

additions to the product as these could cause the product to malfunctions and create an electric shocks 

or fire hazards.

(3)  Laser Safety Statement 

The product is certified in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1 

Subchapter J for Class 1(1) laser products, and elsewhere, it is certified as a Class I laser product con- 

forming to the requirements of IEC 825. Class I laser products are not considered to be hazardous. The 

laser system and product are designed so there is never any human access to laser radiation above a 

Class I level during normal operation, user maintenance, or prescribed service condition.

Warning >>  Never operate or service the product with the protective cover removed from Laser/Scanner 

assembly. The reflected beam, although invisible, can damage your eyes.

 

When using this product, these basic safety pre-cautions should always be followed to reduce 

risk of fire, electric shock, and personal injury.

1. Precautions

Summary of Contents for CLP-320 Series

Page 1: ...ion Max 2 400 x 600 dpi Emulation SPL C PCL 6 Network Model Memory 32MB USB Model 256MB Network Wireless Model Processor Jupiter5 360MHz CLP 320 325 320N 325W Interface IEEE 802 3 Ethernet 10 100Mbps Wireless IEEE 802 11b g Only wireless model Toner Cartridge Initial 1K Toner K 0 7K Toner C M Y each Sales 1 5K Toner K 1K toner C M Y each Printer Life 100 000 pages Monthly Max Duty 20 000 pages mon...

Page 2: ... 26 2 3 1 Architecture 2 26 2 3 2 Language Monitor 2 26 2 3 3 Status Monitor 2 26 2 3 4 Network Interface 2 27 2 3 5 Printer Driver Status Monitor 2 27 2 3 6 System F W Flow 2 28 2 3 7 CRUM Overview 2 29 2 3 8 Initailize Flow 2 30 3 1 Precautions when replacing parts 3 1 3 1 1 Precautions when assembling and disassembling 3 1 3 1 2 Preautions when handling PBA 3 1 3 1 3 Releasing Plastic Latches 3...

Page 3: ...ller 3 13 3 4 10 OPE PBA 3 14 3 4 11 Pick up roller 3 15 4 1 Alignment and Adjustments 4 1 4 1 1 Control Panel 4 1 4 1 2 Jam Removal 4 9 4 1 3 Firmware upgrade 4 13 4 1 4 Periodic Defective Image 4 14 4 1 5 Using the smart pane program 4 15 4 1 6 How to use EDC Engine Diagnostic Control Mode 4 17 4 2 Troubleshooting 4 22 4 2 1 Procedure of Checking the Symptoms 4 22 4 2 2 Troubleshooting Checklist...

Page 4: ...Block Diagram 5 1 5 2 Connection Diagram 5 2 6 1 Tool for Troubleshooting 6 1 6 2 Acronyms and Abbreviations 6 2 6 3 Select a location for the printer 6 4 6 4 A4 ISO 19798 Standard Pattern 6 5 Contents chapter 6 Reference Information chapter 5 System Diagram attached Parts Catalog ...

Page 5: ...ctric shocks or fire hazards 3 Laser Safety Statement The product is certified in the U S to conform to the requirements of DHHS 21 CFR chapter 1 Subchapter J for Class 1 1 laser products and elsewhere it is certified as a Class I laser product con forming to the requirements of IEC 825 Class I laser products are not considered to be hazardous The laser system and product are designed so there is ...

Page 6: ...ng the power connector When removing the power connector grip it firmly and pull The power connector must be inserted completely otherwise a poor contact could cause overheating possibly leading to a fire 7 Take care of the power cable Do not allow it to become twisted bent sharply around corners or wise damaged Do not place objects on top of the power cable If the power cable is damaged it could ...

Page 7: ...carry out the following procedures before dismantling the product or replacing any parts 1 Check the contents of the machine memory and make a note of any user settings These will be erased if the main board or network card is replaced 2 Ensure that power is disconnected before servicing or replacing any electrical parts 3 Disconnect interface cables and power cables 4 Only use approved spare part...

Page 8: ...ng the product When transporting installing the equipment employ four persons and be sure to hold the lifting handles Be sure not to hold the movable parts or units e g the control panel DADF when transporting the equipment Be sure to use a dedicated outlet with 110V 220V power input The equipment must be grounded for safety Select a suitable place for installation Avoid excessive heat high humidi...

Page 9: ...oam to prevent electrostatic charge buildup in the vicinity of the assembly 3 Use only a grounded tip soldering iron to solder or desolder ESDs 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESDs 5 Do not use Freon propelled chemicals When sprayed these can generate electrical charges su...

Page 10: ...MHz CLP 320 325 320N 325W 4 Printer Language Emulations SPL C CLP 320 325 320N 325W PCL 6 320N 325W 5 Memory FLASH ROM 2MB CLP 320 325 32MB CLP 320N 325W DDR2 SDRAM 32MB CLP 320 325 256MB CLP 320N 325W EEPROM memory CLP 325 8KB CLP 325W 64KB CLP 320N 32KB 6 Interfaces One USB port CLP 320 325 320N 325W One 10 100 Base T network connector CLP 320N 325W One IEEE802 11b g n CLP 325W 7 Control Panel N...

Page 11: ...min Yes 5 10 15 30 60 120min Resolution Normal Up to 2400X600dpi Class Default 1200x600 dpi Up to 2400X600dpi Class Default 1200x600 dpi Optical 600x600 Dpi Optical 600x600 Dpi RET NA NA Toner Save NA NA FPOT From Ready Less than 26 sec Color Less than 26 sec Color Less than 14 sec B W Less than 14 sec B W From Idle Less than 57 sec Color Less than 57 sec Color Less than 45 sec B W Less than 45 se...

Page 12: ... 9 2 10 1 SuSE 8 2 9 2 Default Driver SPL C SPL C Driver feature Microsoft Windows Watermark N up printing Poster printing Manual Dulpex Quality Best Normal Draft Color mode Color Gray scale Device Color Support Color Management Support Mac N up printing Quality Best Normal Draft Color mode Color Gray scale Linux N up printing Quality Best Normal Draft Common N W Install during driver install Micr...

Page 13: ...nese E Portuguese Dutch Linux English Only Windows Korean English French Germa N Italian Spanish Russian Dutch E Portuguese B Portuguese Fi Nish Swedish Norwegian Danish S Chinese T Chinese Polish Hungarian Greek Czech Turkish Mac Korean English French GermaN Italian Spanish S Chinese T Chinese E Portuguese Dutch Linux English Only Smart Panel USB 320N USB Network 325W USB Network Wireless Network...

Page 14: ...0 base Tx Wireless NA 802 11 b g only 325W Network Interface Protocol NA TCP IP IPP SNMPv2 Network OS NA Microsoft Windows 98 ME 2000 XP 32 64Bit 2003 Server 32 64Bit Vista Mac OS 10 3 10 4 Printing OnTCP IP Linux OS Red Hat 8 9 Fedora Core 1 4 Mandrake 9 2 10 1 Suse 8 2 9 2 Unix HP UX Solaris SunOS SCO UNIX User Interface LCD NA NA OP UI Key 3 EA LED 8EA Key 3 EA LED 8EA Sound UI NA NA ...

Page 15: ...Transparency 1 Sheets Label thick paper 10 Sheets Face Down 100Sheets 20lb Envelop 5 Sheets Transparency 1 Sheets Label thick paper 10 Sheets Output Full Sensing No No Duplex Manual Duplex Manual Duplex Paper Type Cassette A4 A5 A6 Letter Legal Executive Folio ISO B5 JIS B5 A4 A5 A6 Letter Legal Executive Folio ISO B5 JIS B5 Transparency Mono Print Only Transparency Mono Print Only MP Tray NA NA O...

Page 16: ...S Magenta CLT Y407S CLT Y4072S Yellow Imagine unit Approx 24000 images CLT R407 Waste Toner Approx 10 000 images CLT W409 Pick up roller Approx 50 000 pages JC97 03028A FRU Fuser unit Approx 50 000 pages B W 12 500 pages Color JC91 00978A 220V JC91 00997A 110V T2 roller Approx 50 000 pages B W 12 500 pages Color JC95 01197A ITB Approx 50 000 pages B W 12 500 pages Color JC96 05874A Average A4 lett...

Page 17: ...s total 40 000 image 40 000 images color 32 000 images and black 8 000 images total 40 000 image MTTR 30 min 30 min Real time Clock No No System record Total image count Total page count color mono Imaging unit Information Transfer roller life Transfer belt life Toner information Tray roller life Total image count Total page count color mono Imaging unit Information Transfer roller life Transfer b...

Page 18: ...noise level Warm Up Time From Cold Status At rated volt Less than 35 seconds Less than 35 seconds Temperature Operating 10 32 5 10 32 5 Storage Un Packed 5 35 5 35 Storage Packed 20 50 20 50 Humidity Operating 20 80 RH 20 80 RH Storage Un Packed 20 80 RH 20 80 RH Storage Packed 10 90 RH 10 90 RH Altitude Normal 0 3000ft 0 1000m Normal 0 3000ft 0 1000m High 3001 6600ft 2000m High 3001 6600ft 2000m ...

Page 19: ... 256 MB 32 MB 16 MB 16MB Emulation PCL6 325W SPL C SPL C GDI Duplex Manual Manual Manual Paper Handling 130 CST 150 CST 150 CST Output 80 sheet 80 sheet 125 Noise 45dB 47dB Color Black 45dB 47dB Color Black 47dB Max Monthly Duty 20 000 20 000 25 000 Size 388 x 313 x 243 388 x 314 x 237 398 7 x 452 x 253 Weight 11kg TBD 11kg 17 6 kg Interface USB 2 0 Wireless 325W USB 2 0 Wireless 315W USB 2 0 Tone...

Page 20: ...hanical part comprising a Frame Feeding Developing Driving Transferring Fusing and Cabinet and the Electrical part comprising a SMPS a HVPS a LSU and some facilities in the Main Controller to control the Engine part for printing 2 2 1 1 Main Parts of System ITB OPC DEVE Y DEVE M DEVE C DEVE K LSU Cassette Fuser Stacking Area T2 Roller Regi Roller T1 Roller Pick up Roller Waste Tank ITB OPC DEVE Y ...

Page 21: ...eate the latent image on the OPC drum It is the core part of LBP The OPC drum rotates as the same speed as the paper feeding speed It creates the HSYNC signal and sends it to the engine when the laser beam of the LSU reaches the end of the polygon mirror and the engine detects the HSYNC signal to arrange the vertical line of the image on the paper After detecting the HSYNC signal the image data is...

Page 22: ...Pressure roller Shaft Thermistor Temperature Measuring Device Thermostat Critical Temperature Detecting Device The life span 100k black color 25k Thermostat When a heat lamp is overheated a Thermostat cuts off the main power to prevent over heating Non Cotact type Thermostat Heat roller The heat roller transfers the heat from the lamp to apply a heat on the paper The surface of a heat roller is co...

Page 23: ... 000 Images Both Imagine Unit consists of 4 kinds of Developer OPC and Deve Main Frame Toner Kits The life span Color 1000 images Std ISO 19798 Print Out Black 1500 images Std ISO 19798 Print Out Driver Ass y It is a power delivery unit by gearing By driving the motor it supplies the power to the feeding unit the fusing unit and the distributing unit The Main Motor is similar to CLP 310 Series Mai...

Page 24: ... 1 2 EP Process Structure of EP Process Charger Developer Laser Scanning Unit OPC ITB Unit Eraser Blade Blade Media Path P2 Image on Media P1 Image on OPC Charger Developer Laser Scanning Unit OPC ITB Unit Eraser Blade Blade Media Path P2 Image on Media P1 Image on OPC ...

Page 25: ...osing is implemented by laser striking on to OPC with uniform potential 2 Laser beam is modulated according to image to be printed that is from PC 3 Latent Image is formed on OPC which is developed with toner Developing Non magnetic mono component Non contact development Developing bias DC AC AC peak to peak 1 5 2 0kV Roller diameter Φ10mm Process speed ratio 1 2 OPC 1 0 Color order Y M C K 1 Only...

Page 26: ...gnal Transfer 2 Indirect transfer Transfer voltage 1 4 0kV controllable Roller diameter Φ18 6mm Transfer unit life 100 K images 1 Color image formed on ITB is transferred onto media by T2 process 2 T2 voltage is also positive to get color image moved onto media 3 Toner remained on ITB after T2 process is cleaning by ITB cleaning blade and collected and 4 Transported and retrieved into waste toner ...

Page 27: ...5 7 20 17 15 23 C NO NAME 1 Deve home CON 3P 2 ITB CLT 3P 3 Deve CLT 2P 4 Debug 4P 5 T2 CLT 3P 7 BLDC I F 10P 8 JTAG 8P 9 Regi CLT 2P 10 Fuser CLT 2P 12 Fuser 2P 13 SMPS_P 4P 14 OPE ITB 18P 15 HVPS 26P 16 LSU Con 16P 17 Empty Sensor 3P 18 Key PTL 4P 19 Cover OPEN 2P 20 USB 4P 21 Pickup CLT 3P 22 S CRUM I F 5P 23 SMPS_S 6P A CPU Jupiter5 B DDR2 32MB C Serial FLASH 2MB D EEPROM ...

Page 28: ...nly 4 Ethernet 8P 5 S CRUM I F 5P 6 Debug 4P 7 LSU Con 16P 8 JTAG 8P 9 SMPS_S 6P 10 Fuser 2P 11 SMPS_P 4P 12 Deve home CON 3P 15 USB 4P 16 Empty 3P 18 T2 CLT 3P 19 Regi CLT 2P 20 Deve CLT 2P 22 ITB CLT 3P 24 Fuser CLT 2P 26 Pickup CLT 3P 27 BLDC I F 10P 28 HVPS 26P 29 Key PTL 4P 30 Cover OPEN 2P A CPU Jupiter5 B DDR2 64MB X 2 C Nor FLASH 32MB D EEPROM Under PBA E PHY Chip F USB IC W Only ...

Page 29: ...z 4 Bank 128MB Space bank ROM Controller 16 bit width 4 bank 16MB Space bank CODEC Controller JBIG 4 ch Decoder and 2 ch Encoder 1 ch JPEG Image Processor Processing Scan Image MAC Controller 10 100Mbps Full IEEE 802 3 Compatibility USB Controller USB2 0 Device or Host UART Controller I2C Controller Interrupt Controller Misc Controller ADC DAC PWM Step Motor Control and so on Voltage Core 1 0V I O...

Page 30: ...CHORUS3 Access I2C Bus Ch 1 400KHz EEPROM Size 64Kbit OPE Interface Used to control the OPE by the CHORUS3 Through CHORUS3 s GPIO pins all LEDs and Keys in the OPE are controlled I O Port Used to receive or transmit some data from to the Host USB Device USB2 0 High speed 480Mbps Network Ethernet 10 100 Base Tx note The Network only equipped at CLP 320N 325N not CLP 320 325 Engine Control Used to c...

Page 31: ...MPS Power Fuser AC input Fuse SMPS Signal SMPS Power Input Rated Voltage AC 110V 127V AC 220V 240V AC 120V AC 220V EXP version Input fluctuating range AC 99V 135V AC 198V 264V Rated Frequency 50 60 Hz Frequency Fluctuating 47 63 Hz Input Current 4 0Arms 2 0Arms Rated Output Power No Item CH1 CH2 Remark 1 Channel Name 5V 24 0V 2 Connector Pin CON 3 5V Pin 1 GND Pin 2 CON 3 24V Pin 3 GND Pin 4 3 Rat...

Page 32: ...for making best condition to print The HVPS part takes the 24V and outputs the high voltages and then the high voltages are supplied to the Toner OPC Cartridge and Transfer Belt and Roller Main PBA Regi WASTE FAN Exit Sensor T2 1300V 15 Charger 1000V 3 T1 1000V 3 BIAS AC 141V 3 BIAS DC 295V 3 SUPPLY DC 595V 3 Main PBA Regi WASTE FAN Exit Sensor T2 1300V 15 Charger 1000V 3 T1 1000V 3 BIAS AC 141V 3...

Page 33: ...ally and the image will be blurred 4 T2 Cleaning Voltage Clean T2 Function prevent reverse side of paper from being dirtied by recovering the negatively charged toner remaining at Transfer Roller and sending it onto ITB Output voltage with no feedback control output fixed voltage 1300V 15 ERROR type reverse side of paper will be dirtied 5 Supplying Voltage Supply AC DC Function voltage that makes ...

Page 34: ...se of Refill Toner Install 1 Perception of Refill Cartridge when power is on or the cover is closed End of Life life span data initialization judge to be Refill Cartridge End of Life life exhausted simple refill stop printing caused by life exhaustion 2 Operating It is impossible to control appropriate development parameters for there s no toner specification data It runs with the setting of defau...

Page 35: ...ows Spool System The main roll of the Language Monitor is that sends a job start message to the Status Monitor Therefore the Status Monitor can start polling to get the printer status The second roll is that sends the job information such as User ID and Job ID to the Status Monitor and the Printer F W Hence the Status Monitor can stop polling because the Printer F W informs the Status Monitor that...

Page 36: ...h the error has occurred while printing Printer Driver Status Monitor Printer Driver System Registry Language Monitor Printer Server Kernel NPC Job ID Status Monitor Status Monitor Data Flow Sharing Registry Info User ID Job ID Printer Data SNMP Request Printer Status Printer Status Request Job Status Job Table Printer Server Kernel NPC Printer Name Port Name User ID Job ID Printer Server IP Addr ...

Page 37: ...WM decision Comparator Threshold voltage PWM decision Color Registration measure Auto Color Registration pattern printing Color Registration adjustment Page Sync modify Line Sync modify Video Clock Freq modify Density pattern printing LSU temperature control LED LSU Video signal generator P Sync L Sync clock Video data PWM Comparator PWM LSU temperat ure sensor ADC ...

Page 38: ...including consumables life In CLP 32x Series total four CRUM s are used four on toner cartridges CRUM stores the following information Model Name Supplier ID Serial Number Company ID MFG Date Capacity Page Count Toner Cartridge and Transfer Belt Indicates how many pages are printed by using the consumable Dot Count Toner Cartridge Only Indicates how many dots are printed by using the toner cartrid...

Page 39: ...Product spec and feature Service Manual 2 30 Samsung Electronics 2 3 8 Initailize Flow ...

Page 40: ...Product spec and feature Service Manual 2 31 Samsung Electronics ...

Page 41: ...can damage a PBA always used approved anti static precautions when handling or storing a PBA Precautions when moving and storing PBA 1 Please keep PBA in a conductive case anti static bag or wrapped in aluminum foil 2 Do not store a PBA where it is exposed to direct sunlight Precautions when replacing PBA 1 Disconnect power connectors first before disconnecting other cables 2 Do not touch any sold...

Page 42: ...lack Toner cartridge Approx Initial 1 000 Pages Sales 1 500 Pages CLT K407S CLT K4072S Black CRU Color Toner cartridge Approx Initial 700 Pages Sales 1 000 Pages CLT C407S CLT C4072S Cyan CLT M407S CLT M4072S Magenta CLT Y407S CLT Y4072S Yellow Imagine unit Approx 24000 images CLT R407 Waste Toner Approx 10 000 images CLT W409 Pick up roller Approx 50 000 pages JC97 03028A FRU Fuser unit Approx 50...

Page 43: ... occur Clean the printer with a soft lint free cloth dipped in a Recommended cleaner Recommended cleaner can be purchased from our service center where available Do not touch the transfer roller when cleaning the inside of the printer Grease and oils from the skin will contaminate the surface and reduce print quality Do not touch transfer roller when cleaning inside of machine If transfer roller g...

Page 44: ...ed you should contact a doctor Take care not to spill toner spillages should be cleaned with a vacume cleaner and washed in cold water hot water sets the toner Do not touch the developer roller surface as contamination will reduce print quality Take care not to damage the roller s surface when installing or removing a toner cartridge 4 Disassembly of DEVE drive ass y and the main drive ass y The a...

Page 45: ...000196 COVER TOP SCREW TAPTYPE PWH B M3 L10 NI PLT SWRCH18A 2 6003 000261 COVER TOP SCREW TAPTYPE BH B M3 L6 ZPC WHT SWRCH18A 1 6003 000282 LSU SCREW TAPTYPE BH B M3 L8 ZPC BLK SWRCH18A 10 6003 000282 ELA UNIT LSU LD SCREW TAPTYPE BH B M3 L8 ZPC BLK SWRCH18A 2 6002 000308 CARTRIDGE TONER Y SCREW TAPTYPE PH B M2 6 L6 ZPC WHT SWRCH18A 8 6002 000308 CARTRIDGE TONER M SCREW TAPTYPE PH B M2 6 L6 ZPC WH...

Page 46: ...9A 9 Main B d Cover S W 2 2 JC39 00900A 10 Main B d Eraser Lamp 4 2 2 JC39 00901A OPC KEY 11 Main B d ITB Home Sen I F 7 5 JC39 00902A 12 ITB Home Sen I F ITB Home Sensor 5 3 2 JC39 00903A TEMP Inner 13 Main Temp out 2 2 JC39 00905A 14 SMPS FUSER 2 JC39 00907A 15 FUSER FUSER 1 1 JC39 00500A 16 Main B d Bracket Fuser Ass y GND 1 1 JC39 00496A 17 HVPS GND WIRE 1 2 JC39 00904A 18 Main CRUM JOINT 4 4 ...

Page 47: ...f disassembly and reassembly in this manual is listed according to the disassembly procedures If you find the certain unit or Assy please consult the name of unit under the picture 3 4 1 Cover 1 Take out the Cassette 2 Open the front cover Remove 2 screws 3 Lift the top cover up 4 Remove 1 screw from the rear ...

Page 48: ...Disassembly and Reassembly Service Manual 3 8 Samsung Electronics 5 Remove the left right cover by releasing the hooks from the top bottom right left Hook Hook Hook Hook Hook Hook ...

Page 49: ...r from OPE PBA 3 Hold the ITB handle Pull out the ITB to the direction of arrow 1 Remove the right cover Unplug 2 connector on the main PBA as shown below Caution The fuser is very hot So turn the printer off and wait until the printer to cool before replacing it 2 Remove the 4 screw Move the shaft to the right as shown below And remove the Fuser unit ...

Page 50: ...Service Manual 3 10 Samsung Electronics 3 4 4 HVPS board 1 Remove the left cover Refer to 3 4 1 2 Remove the 5 screws and unplug the 2 connectors 1 flat cable 3 Remove the one hook of the center 4 Release the HVPS board Hook Hook ...

Page 51: ...ctronics 3 4 5 Main PBA 1 Remove the right cover Refer to 3 4 1 2 Unplug the all connectors Remove 4 screws And release the main PBA 3 4 6 SMPS board 1 Remove the right cover Refer to 3 4 1 2 Unplug the all connectors Remove 4 screws And release the SMPS board ...

Page 52: ...e the harness cover after remove the 2 screws And remove the 3 screws 2 Release the LSU unit after remove the 2 Flat cable Harness cover Harness cover Harness cover Harness cover 3 4 8 Holder Pad 1 Remove the sub PBA And release the Guide Pick up unit after remove the 4 screws 2 Release the holder pad after remove the hook of both side ...

Page 53: ...Disassembly and Reassembly Service Manual 3 13 Samsung Electronics 3 4 9 Transfer roller 1 Open the rear cover 2 Remove the transfer roller Assy by pushing the hooks from the left right ...

Page 54: ...Disassembly and Reassembly Service Manual 3 14 Samsung Electronics 3 4 10 OPE PBA 1 Open the front cover Remove 2 screws Lift the top cover up 2 Remove 1 screw Unplug 2 connectors Release the OPE PBA ...

Page 55: ...up roller Before disassembling remove the Guide Pick up unit refer to 3 4 8 1 Remove the hook from the position A and push to the left side 2 Separate the Pick up roller Ass y after release the position B 3 Remove the hook of the part C B in sequence 4 Separate the Pick up rubber ...

Page 56: ...inters they show the status of the printer only with their LEDs The CLP 320 325 series printers have 3 keys and 6 LEDs The User Interface module handles the processing of the Key Press and LED control at different states of the machine 1 CLP 320 K CLP 321 CLP 325 K CLP 326 CLP 320N K CLP 321N 1 Toner colors Shows the status of each toner cartridge 2 Power You can turn the power on and off with thi...

Page 57: ...with this button 3 Cancel Stops an operation at any time and there are more functions 4 Status LED Shows the status of your machine 5 Wireless Shows the status of wireless network When the LED on the machine is connected wirelessly 6 WPS If your wireless access point supports WPS Wi Fi Protected Setup you can configure the wireless network connection easily without a computer ...

Page 58: ...onding LED is solid red A toner cartridge has almost reached its estimated cartridge lifea It is recommended to replace the toner cartridge The machine cannot recognize the status of toner cartriges and the supplies information Open and close the cover and check if the machie can operate properly If the problem persists turn the power off and on Blinks red Corresponding LED is solid red A minor er...

Page 59: ...monitor screen Press this button and the green LED will start blinking Release the button while it s blinking Demo print button CLP 320N K CLP 321N only It prints a demo page by pressing this button only The printed page shows the color print quality potential and overall print characteristics of the machine Cancel button By pressing the Cancel button you can do the following functions FUNCTION DE...

Page 60: ...Alignment Troubleshooting Service Manual 4 5 Samsung Electronics Configuration ...

Page 61: ...Alignment Troubleshooting Service Manual 4 6 Samsung Electronics supplies info ...

Page 62: ...Alignment Troubleshooting Service Manual 4 7 Samsung Electronics network ...

Page 63: ... Wi Fi Protected Setup mode your access point uses By pushing a button on the wireless LAN router access point and the machine you can setup the wireless network and security settings Power button This button must be used to turn the machine on off Turning on the machine 1 Plug in the power cord 2 Press Power button on the control panel ...

Page 64: ...print media is facing up in the tray 4 1 2 1 Clearing Paper Jams NOTE To avoid tearing the paper pull the jammed paper out slowly and carefully Follow the instructions in the following sections to clear the jam If a paper jam occurs the status LED on the control panel lights orange Find and remove the jammed paper If paper is jammed in the paper feed area follow the next steps to release the jamme...

Page 65: ...lling in the direction as shown below Most of the jammed paper can be removed in this step If the paper does not eject when you pull or if you do not see the paper in this area check the paper exit area 4 Close the rear cover Make sure that it is securely closed Printing automatically resumes In the paper exit area 1 Gently pull the paper out the output tray If you do not see the jammed paper or i...

Page 66: ...ammed paper can be removed in this step If you cannot find the jammed paper of if there is any resistance removing the paper go to the next step 4 Push the fuser levers upwards 5 Open the top cover and inner cover 6 Holding the inner cover open carefully take the jammed paper out the machine The inner cover will then close automatically 2 2 1 2 1 2 1 ...

Page 67: ...eshooting Service Manual 4 12 Samsung Electronics 7 Close the top cover Make sure that it is securely closed 8 Push the fuser levers downwards 9 Open and then close the rear cover or front cover to resume printing 2 1 ...

Page 68: ...r with USB cable 2 Turn on the power of printer Ready Status 3 Download the firmware file Unzip the file Drag the f w file and Drop down on the usblist2 exe And then f w update will be started automatically 4 Please wait until end reboot Drag and Drop CLP 325N_V1 01 00 00 hd Drag and Drop CLP 325N_V1 01 00 00 hd ...

Page 69: ...k the configuration and custom Caution Please change SWS Default ID and Password for syst Note If the machine supports Direct Print you can enable th configuration is Disabled for your security Firstly you have to login to SWS 1 Click Direct Print Configuration in the pop up wind 1 Click Direct Print Configuration in the pop up wind 2 In the Services Menu check Direct Print Service Manual 4 13 rou...

Page 70: ...gnment Tr Or 1 Click System Security in the Security menu 2 Select Feature Management in the left frame 3 In the Services Menu check Direct Print Service Manual 4 13 roubleshooting SAMSUNG ELECTRONICS 3 2 ...

Page 71: ... Roller 47 5mm Periodic Band by little difference of density 4 Developing Roller 26 0mm White Spot Horizontal black band 5 1st Transfer Roller 43 8mm Ghost Damaged Image by abnormal tranfer 6 2nd Transfer Roller 54 64mm Ghost Damaged Image by abnormal tranfer 7 50 3mm Background Pressure Roller 8 86 4mm Black Spots or Vertical Black Band Heat Roller OPC Pick up roller Regi roller T2 roller ITB T1 ...

Page 72: ...er you can launch it from the Start menu select Programs or All Programs Samsung Printers your printer driver name Smart Panel If you have already installed more than one Samsung machine first select the correct machine model you want in order to access the corresponding Smart Panel Right click in Windows or Linux or click in Mac OS X the Smart Panel icon and select your machine The Smart Panel pr...

Page 73: ...ne to a network the SyncThru Web Service window appears instead of the Printer Settings Utility window 5 Driver Setting Set all of the machine options you need in the Printer Preferences window This feature is available only for Windows Changing the Smart Panel Program Settings Right click in Windows or Linux or click in Mac OS X the Smart Panel icon and select Options Select the settings you want...

Page 74: ... to check the CLP 320N EDC Mode additional EDC execution program needed Procedure of EDC Mode operation a First turn on the Power of Printer wait until Ready state b In this state Run the EDC program on the computer c After that click the menu of screen d Then Motor Test appears on the initial screen e Should you get out of this program press Exit of screen 4 1 6 2 Keys Key Discription Exit Close ...

Page 75: ...ill be displayed C Toner When select key is pushed C Toner ON message will be displayed Upper Level is pushed C Toner Off message will be displayed K Toner When select key is pushed K Toner ON message will be displayed Upper Level is pushed K Toner Off message will be displayed Regi Clutch When select key is pushed REGI Clutch ON message will be displayed Upper Level is pushed REGI Clutch Off mess...

Page 76: ...r If LSU motor lock signal is normal Successed message will be displayed When LSU motor lock signal is abnormal failed message will be displayed When Upper Level is pushed off message will be displayed LSU Power When select key is pushed LSU Power On message will be displayed If not LSU Power Off message will be Laser Diode When select key is pushed Laser Diode On message will be displayed If not ...

Page 77: ...red T2 REVERSE When select key is pushed T2 REVERSE On message will be displayed If not T2 REVERSE Off will be Dev DC When select key is pushed DUTY x message will be displayed And then Left Right arrow is selected x is increased or decreased And DUTY x message will be displayed is disappeared And then select key is pushed x message will be displayed When Upper Level is pushed is disappeared Dev A...

Page 78: ...ed message will be displayed When Upper Level is pushed Off message is disappeared FCF Pick Up Roll When select key is pushed Initialized message will be displayed When Upper Level is pushed Off message is disappeared SCF Pick Up Roll When select key is pushed Initialized message will be displayed When Upper Level is pushed Off message is disappeared ITB When select key is pushed Initialized messa...

Page 79: ...e attempting to repair the printer first obtain a detailed description of the problem from the customer Power On Error LED ON Ready or Power save Test Print printing Quality is Nomal Refer to Solution of Image Problem Refer to 4 1 8 LED Status Error Message END No Power Power Module error Main PBA error Panel PBA error Green LED on ...

Page 80: ...the paper jams in the printer go to Clearing Paper Jams Check the demo page to see if it is printed correctly If there is a print quality problem go to Solving Print Quality Problems Print a short document from a software application to verify that the computer and printer are connected and communicating correctly If the page does not print check the cable connection between the printer and the co...

Page 81: ...nter for the following Close the printer cover Clear the paper jam Load paper Install the toner cartridge The printer may be in manual feed mode and out of paper Check the message on the Smart Panel program window add paper to the tray and press the Stop button on the control panel The connection cable between the computer and the printer is not connected properly Disconnect the printer cable and ...

Page 82: ... setting is incorrect Check the Windows printer setting to make sure that the print job is sent to the correct port If the computer has more than one port make sure that the printer is attached to the correct one The printer may be configured incorrectly Check the printer properties to ensure that all of the print settings are correct The printer driver may be incorrectly installed Reinstall the p...

Page 83: ...feed into the printer Paper has been loaded incorrectly Remove paper from the tray and reload it correctly Check that the paper guides are set correctly There is too much paper in the tray Remove excess paper from the tray The paper is too thick Use only paper that meets printer specifications ...

Page 84: ... Best change it to 1200dpi Normal or 600dpi Draft See the Software section Change the port setting to the USB or network port to improve print speed Your printer prints A4 sized paper at 16 ppm in black and white mode and 4 ppm in color mode If using Windows 98 Me the Spooling Setting may be set incorrectly From the Start menu choose Settings and Printers Right click the Samsung CLP 31x series pri...

Page 85: ...the page orientation in your application For details see the Software Section The paper size and the paper size settings do not match Ensure that the paper size in the printer driver settings matches the paper in the tray Or ensure that the paper size in the printer driver settings matches the paper selection in the software application settings you use ...

Page 86: ...oo much paper in the tray Remove excess paper from the tray Check that the paper guides are set correctly There may be debris inside the printer After opening the front cover remove the imaging unit and then clear the debris An incorrect type of paper is being used Use only paper that meets printer specifications ...

Page 87: ...cessfully If possible attach the cable and printer to another computer and try a print job that you know works Finally try a new printer cable The software application is malfunctioning Try printing a job from another application The operating system is malfunctioning Exit Windows and reboot the computer Turn the printer off and then back on again The wrong printer driver was selected Check the ap...

Page 88: ... is not good Images are not clear The resolution is set to 1200dpi Normal or 600dpi Draft Change the resolution to 2400dpi Best and then try printing again The resolution of the photo is very low If you increase the photo size in the software application the resolution will be reduced Reduce the photo size ...

Page 89: ...he paper may not meet paper specifications 3 A combination of faded or smeared defects may indicate that the printer needs cleaning Check the paper type and quality Check the inside for the printer 4 High voltage terminal is contaminated by the toner So the contact is unstable Or the output of the HVPS is abnormal Clean the HVPS terminal If the problem persists replace the HVPS board AaBbCc AaBbCc...

Page 90: ... Check the paper type and quality AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 91: ...ots on its surface Try a different brand of paper 3 The paper lot is bad The manufacturing process can cause some areas to reject toner Try a different kind or brand of paper 4 The toner cartridge may be defective See Vertical repetitive defects on the next page AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBb...

Page 92: ...l a new one 2 If white vertical lines appear on the page Clean the inside of the printer If you still have the same problems replace the imaging unit with a new one 3 Foreign matter stuck onto the window of internal lenses of LSU mirror Clean the LSU window with recommended cleaner IPA AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A A AaBbCc AaBbCc AaBbCc AaBb...

Page 93: ...humidity or high humidity higher than 80 RH conditions can increase the amount of background shading 2 Remove one of the old toner cartridges and install a new one Clean the high voltage charge terminal If the problem persists replace the HVPS board AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBb...

Page 94: ...ar 1 Toner smear 1 Clean the inside of the printer 2 Check the paper type and quality 3 Remove the imaging unit and install a new one AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 95: ... of the printer if you still have the same problems install a new toner cartridge of the problem color 2 Parts of the printer may have toner on them If the defects occur on the back of the page the problem will likely correct itself after a few more pages 3 The fusing assembly may be damaged Contact a service representative AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A ...

Page 96: ...ary so that the paper does not absorb too much moisture 2 If background scatter occurs on an envelope Change the printing layout to avoid printing over areas that have overlapping seams on the reverse side Printing on seams can cause problems 3 If background scatter covers the entire surface area of a printed page Adjust the print resolution through your software application or via the printer pro...

Page 97: ...nd producing hollowed images The paper stock may be too slick Try a different paper 2 If characters are improperly formed and producing a wavy effect The printer may need service Verify that it also occurs on a demo page AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 98: ... the paper is loaded properly 2 The paper may not meed specifications Check the paper type and quality The guides are not too tight or too loose against the paper stack 3 Ensure that the paper or other material is loaded correctly AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 99: ...e Ensure that the paper is loaded properly 2 Check the paper type and quality Both high temperature and high humidity can cause paper curl Also try rotating the paper 180 in the tray 3 Turn the stack of paper over in the tray AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 100: ...s or creases 1 Wrinkles or creases Ensure that the paper is loaded properly 2 The paper may not meed specifications Check the paper type and quality Also try rotating the paper 180 in the tray 3 Turn the stack of paper over in the paper tray A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 101: ... 3 000 sheets around 5 000 sheets with 2 image a background can be occurred 2 Does recycle paper be used The B S is not guaranteed if using recycle paper 3 Has the life span of the developer ended Replace the developer when the life span of it has been ended 4 Is the movement Up and Down of the transfer roller smooth Clean the bushing part of the transfer roller 5 Is the HVPS normal If the problem...

Page 102: ...r or Black pages 1 The toner cartridge may not be installed properly Remove the toner cartridge and reinsert 2 The toner cartridge may be defective and need replacing Install a new toner cartridge 3 The printer may require repair Change HVPS A A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 103: ...side of the printer 2 The paper may not meed specifications Check the paper type and quality Install a new toner cartridge 3 The Toner Cartridge may be defective and need replacing Contact a service representative 4 If the problem persists the printer may require repair A A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 104: ...6 Character Voids 1 Character voids are white areas within characters that should be solid black 1 You may be printing on the wrong surface of the paper Remove the paper and turn it over 2 The paper may not meet paper specifications A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 105: ...rizontal stripes 1 If horizontally aligned color or black streaks or smears appear A toner cartridge may be installed improperly Remove the toner cartridge and reinsert 2 A toner cartridge may be defective Install a new toner cartridge A AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 106: ...anual 4 49 Samsung Electronics 18 Curl 1 If the printed paper is curled or paper does not feed into the printer Turn the stack of paper over in the paper tray Also try rotating the paper 180 in the tray AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 107: ... to LPTx message appears Ensure that all cables are connected correctly and the printer is on If bi directional communication is not turned on in the driver it will also cause this message General Protection Fault Exception OE Spool32 or Illegal Operation messages appear Close all other applications reboot Windows and try printing again Fail To Print A printer timeout error occurred messages appea...

Page 108: ...ems The printer does not print a document from Acrobat Reader You should change the Print Method option to Print as Image when you print from Acrobat Reader The document has printed but the print job has not disappeared from the spooler in Mac OS 10 3 2 Update your Mac OS to OS 10 3 3 or higher ...

Page 109: ...ake a printer the system default In some conditions it may not be possible to change the default queue This happens with some variants of LPRng especially on recent RedHat systems that use the printconf database of queues When using printconf the etc printcap file is automatically refreshed from the database of printers managed by the system usually through the printtool command and the queues in ...

Page 110: ...n LLPR don t seem to take effect Legacy BSD lpr systems have a hard limitation on the length of the option string that can be passed to the printing system As such if you selected a number of different options you may have exceeded the length of the options and some of your choices won t be passed to the programs responsible for implementing them Try to select fewer options that deviate from the d...

Page 111: ... documents come out as white pages when printing Some versions of CUPS especially those shipped with Mandrake Linux before the 8 1 release have some known bugs when processing PostScript output from some applications Try upgrading to the latest version of CUPS at least 1 1 14 Some RPM packages for the most popular distributions are provided as a convenience with this Linux Printing Package Continu...

Page 112: ... allow you to do so interactively and see if you get error messages However since the application is probably at fault contact your software vendor to inform them of the issue Some color images come out all black This is a known bug in Ghostscript until GNU Ghostscript version 7 05 when the base color space of the document is indexed color space and it is converted through CIE color space Because ...

Page 113: ...olenoid malfunction the solenoid does not work properly Replace the solenoid if necessary 2 Pad Friction is contaminated with foreign matter oil Clean the pad friction with soft clothe dampened with IPA Isopropyl Alcohol 3 The face of paper is blended Use the smooth paper Description Multiple sheets of paper are fed at once ...

Page 114: ...ower input and SMPS output are normal Replace the power supply cord or SMPS 2 Check the inferiority of OPE Unit if the LCD of Panel does not appear after normal warmingup Replace the OPE unit Description When system power is turned on The LCD and status LED on the operator panel do not come on ...

Page 115: ...urred Change Fuser Lamp 4713 001243 Yes NO NO NO NO NO Change Fuser Lamp 4713 001243 Yes AC Harness Change Yes Replace Thermostat 4712 001031 Yes Replace Thermostat 1404 001447 Yes Replace Thermostat 1404 001447 Yes Lamp Short AC Harness Short Thermostat Open Thermostat Pollution Bend NO Thermostat Resistance Defect 300 450kohm 25 Replace Fuser recheck The SMPS and Main B d could be suspect ...

Page 116: ...V 4 7 1 ohm Error U1 2121 Turn off then on message has occurred Change Fuser Lamp 4713 001243 Yes NO NO Replace Thermistor 1404 001447 Yes Replace Thermistor 1404 001447 Yes Thermostat cannot be cleaned and or bent NO Thermostat Resistance Defect 300 450kohm 25 Replace Fuser recheck The SMPS and Main B d could be suspect ...

Page 117: ... U p G U ITB Home Sensor ITB Home Sensor Tissot Series Ground Wire Ground Wire Ground Wire 225mm Ground Wire 225mm single beam 11p single beam 11p 5p 5p 6p 6p 2p 2p 2p 2p 3p 3p 3p 3p 3p 3p 2p 2p 5p 5p 26p FFC 26p FFC 3p 3p 3p 3p 2p 2p 2p 2p 18p FFC 18p FFC 10p 10p 24V Cover Open S W 24V Cover Open S W 2p 2p 2p 2p 7p 7p 2p 2p Sensor Sensor Regi Regi PTL LAMP PTL LAMP 2p 2p 4p 4p 4p 4p 4p 4p 4p 4p 4...

Page 118: ... knuk Z RY m Y ju YX o wz RY m X o Gy X p o Gy XZ o l XY w tGto XX w tG o XW w tGp o w tGk Gkj _ w tGk Ghj w tGk G kl Gylsh Y X z wGl X z kl l X kl Gylsh Z YW z wGy X kl Gylsh X X_ G YX uj YZ R Gsz Y Gs YY R Y kl ylsh Y ju X vwl vwGwv lyGslk X wv ly z X_ vwG Gslk X knuk X vwGjGslk XZ vwGtGslk X slkGqht XX vwGrGslk XY slkGlyyvy slkGylhk XW rl j ysGw OYWW P _ puulyG ltw vw rl Gvuspul p iGovtl ltw jy...

Page 119: ... o l XY w tGto XX w tG o XW w tGp o w tGk Gkj _ w tGk Ghj w tGk G kl Gylsh Y X z wGl X z kl l X kl Gylsh Z YW z wGy X kl Gylsh X X_ G YX uj YZ R Gsz Y Gs YY R Y kl ylsh Y p iGovtl ltw jy t qvpu t j r X Y Z z j s k n u k ju jy t Z U Z z k h v l t w Z k o Y juXY k o k n u k X X Y Z juX ziGkl pjl vjX u i z ktX kwX knuk knuk knuk 7 D K Cb m X Y Z ju u GpVm _ XW XX XY XZ X knuk knuk knuk uj ykT ZUZ ykR...

Page 120: ...are recommended safe and easy troubleshooting as described in this service manual 6 Reference Information Install Driver CD Network S W CD DVM Digital Volt Meter Standard Indicates more than 3 digits Driver Standard type type M3 long M3 short M2 long M2 short Tweezers Standard For general home use small type Cotton Swab Standard For general home use for medical service Cleaning Equipments Standard...

Page 121: ...ence EP Electro photographic EPP Enhanced Parallel Port F W Firmware FCF FCT First Cassette Feeder First Cassette Tray FISO Front In Side Out FPOT First Print out Time GDI Windows Graphic Device Interface GIF Graphic Interchange Format GND Ground HBP Host Based Printing HDD Hard Disk Drive HTML Hyper Text Transfer Protocol HV High Voltage HVPS High Voltage Power Supply I F Interface I O Input and ...

Page 122: ...ation Q y Quantity RAM Random Access Memory RCP Remote Control Panel ROM Read Only Memory SCF SCT Second Cassette Feeder Second Cassette Tray SMPS Switching Mode Power Supply SPGP Samsung Printer Graphic Processor SPL Samsung Printer Language SPL C Samsung Printer Language Color Spool Simultaneous Peripheral Operation Online SRS Software Requirment Specification SURF Surface Rapid Fusing SW Switch...

Page 123: ...ough room to open the printer trays covers and allow for proper ventilation see diagram below Provide the proper environment A firm level surface Away from the direct airflow of air conditioners heaters or ventilators Free of extreme fluctuations of temperature sunlight or humidity Clean dry and free of dust ...

Page 124: ...Reference Information Service Manual 6 5 Samsung Electronics 6 4 A4 ISO 19798 Standard Pattern This test page is reproduced at 70 of the normal A4 size ...

Page 125: ...Reference Information Service Manual 6 6 Samsung Electronics ...

Page 126: ...Reference Information Service Manual 6 7 Samsung Electronics ...

Page 127: ...Reference Information Service Manual 6 8 Samsung Electronics ...

Page 128: ...Reference Information Service Manual 6 9 Samsung Electronics ...

Page 129: ...E 0325 00000E GSPN Global Service Partner Network North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com ...

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