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Service Manual

Adjustment and Troubleshooting

4-14

Samsung Electronics

4.1.6.3(d) HVPS Test

Item

Discription

Charger

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.

T1

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.

T2

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.

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 AC Vpp

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 AC

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.

Charger

Duty : 50% -> -789V , Range : -81V ~ -1689V

T1

Duty : 50% -> 1159V , Range : 122V ~ 2188V

T2

Duty : 50% -> 2552V , Range : 264V ~ 4730V

Supply DC

Duty : 50% -> -269V , Range : -1V ~ -591V

AC, Vpp

Duty : 50%-> 1210V

, Range : 800V ~ 2160V

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Summary of Contents for CLP 350N

Page 1: ...9ppm Let Printing resolution 2 400 x 600 dpi Emulation PCL6 PS3 Memory expansion Max 128MB Processor 300MHz Interface IEEE 802 3 Ethernet 10 100Mbps Wireless Not Supported Toner Cartridge 4K Toner K 2K toner C M Y each Printer Life 200 000 pages Monthly Max Duty 25 000 pages month CLP 350N Manual SERVICE Basic Model CLP 350N CLP 350N CLP 350N XAA ...

Page 2: ...UM 2 24 2 2 4 General Description 2 26 3 Disassembly and Reassembly 3 1 Precautions When Replacing Parts 3 2 3 1 1 Precautions when assembling and disassembling 3 2 3 1 2 Precautions when handling PBA 3 2 3 2 Parts for Maintenance and Repair 3 3 3 2 1 Replacement interval for parts with a limited life 3 3 3 2 2 Printer Cleaning 3 4 3 3 Information Related in Disassembly and Assembly 3 5 3 3 1 Spec...

Page 3: ...riodic Defective Image 4 10 4 1 6 How to use EDC Engine Diagnostic Control Mode 4 11 4 1 7 Error Message 4 17 4 1 8 ITB Unit Reset 4 18 4 2 Troubleshooting 4 20 4 2 1 Procedure of Checking the Symptoms 4 20 4 2 2 Troubleshooting Checklist 4 21 4 2 3 Solving General Printing Problems 4 22 4 2 4 Solving Print Quality Problems 4 32 4 2 5 Common Windows Problems 4 50 4 2 6 Common Macintosh Problems 4 ...

Page 4: ... 5 10 Cartridge Drum 5 27 5 11 Toner BK 5 29 5 12 Toner CMY 5 31 5 13 Cassette 5 33 5 14 SCF Frame 5 35 5 15 SCF Cassette 5 39 6 System Diagram 6 1 Block Diagram 6 1 6 2 Connection Diagram 6 2 6 2 1 Main Layout 6 2 6 2 2 Power 6 3 6 2 3 Imaging ITB Unit 6 4 6 2 4 HVPS LSU 6 5 6 2 5 SCF OPE BLDC 6 6 6 2 6 Sensor Clutch Solenoid 6 7 7 Reference Information 7 1 Tools for Troubleshooting 7 1 Continued...

Page 5: ...Continued 7 2 Acronyms and Abbreviations 7 2 7 3 Select a location for the printer 7 4 7 4 A4 ISO 19752 Standard Pattern 7 5 ...

Page 6: ...man access to laser radiation above a Class I level during normal operation user maintenance or prescribed service condition Warning Never operate or service the printer 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 elec...

Page 7: ...g to a fire When removing the power connector grip it firmly and pull 7 Take care of the power cable Do not allow it to become twisted bent sharply round corners or otherwise damaged Do not place objects on top of the power cable If the power cable is damaged it could overheat and cause a fire or exposed cables could cause an electric shock Replace a damaged power cable immediately do not reuse or...

Page 8: ...lease carry out the following procedures before dismantling the printer 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 mainboard is replaced 2 Ensure that power is disconnected before servicing or replacing any electrical parts 3 Disconnect printer interface cables and power cables 4 Only use approved spare parts E...

Page 9: ...r feeding entrance motor fan etc If do you can get harm 3 When you move the printer This printer weighs 14 8kg including Consumables Use safe lifting and handling techniques Back injury could be caused if you do not lift carefully 4 Ensure the printer is installed safely The printer weighs 14 8Kg ensure the printer is installed on a level surface capable of supporting its weight Failure to do so c...

Page 10: ...m to prevent electrostatic charge buildup in the vicinity of the assem bly 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 suf...

Page 11: ...er Remark Black toner Approx Initial 4 000 pages CLP K350A cartridge Sales 4 000 pages Color toner Approx 2000 pages CLP C350A Cyan cartridges CLP M350A Magenta CLP Y350A Yellow Imaging unit Approx 20 000 black CLP R350A pages or approx 12 500 color pages Waste toner Approx 5 000 images CLP W350A container or Approx 1 250 pages fulll color Std ISO 19752 image Pick up roller Approx 50 000 pages Con...

Page 12: ...ations Engine Speed Simplex Up to 20 ppm in A4 19 ppm in Letter Up to 5 ppm in A4 5 ppm in Letter Duplex N A Warmup time Less than 38 sec FPOT B W From Ready Less than 14 sec From Idle Less than 48 sec From Coldboot Less than 50 sec FPOT Color From Ready Less than 24 sec From Idle Less than 58 sec From Coldboot Less than 60 sec Resolution Optical 600 x 600 dpi Support MAX 2400 x 600 dpi effective ...

Page 13: ...olor Gray scale Color spec application color matiching Device color Black only status in Status monitor WHQL Windows 2000 XP 2003 Vista LanguageLocalization Korean English French German Italian Spanish Russian Dutch E Portuguese Finish Swedish Norwegian Danish S Chinese T Chinese Polish Hungarian Czech Application RCP USB Network Smart Panel Yes USB Network Install Default NetworkManagement Set IP...

Page 14: ... mm 4 mm 4 mm 4 mm Optional Cassette Tray Capacity 250 sheets 75g Media sizes 148 x 210 mm A4 216 x 356 mm Legal Media types Plain paper Cotton Colored Preprinted Recycled Media weight 60 to 90g Size sensor N A User Interface No Indicator Sensing Photo Sensor Output Stacking Capacity FaceUp N A FaceDown 100 sheets 75g Output Full sensing N A Duplex Supporting Manual Throughput N A Media sizes N A ...

Page 15: ... CRUM Life detect Sensor Y Remain 90 warning 100 empty 120 hardstop Imaging Kit OPC Deve Yield Approx 20K black pages or 12 5K color pages Key Unique Electronic key CRUM Sensor None that would be traced via software Replace method 6 steps for install replacing Waste Toner Container Yield 1 250sheets FullColorStd ISO19752Image or5 000images FullSensor Key N A FRU No of FRUs 4 ITB Fuser T2 roller Pi...

Page 16: ...A Color printing Sound Power Pressure Less than 49 0 dBA B W printing Standby Less than 35 dBA Sleep Background noise level Input Voltages 110 120 VAC 50 60Hz 220 240 VAC 50 60Hz Power Switch Power Consumption Ready Less than 80w AVG Less than 400W Sleep Power Off Less than 10W Less than Dimension W x D x H Set 390 X 418 8 X 269 5 mm 15 4 x 16 5 x 10 6 Set Packing 531 X 525 X 443 mm 20 9 x 20 7 x ...

Page 17: ...m up time 49 seconds 38 seconds Processor Type Special ASIC 48 MHz ChorusM 300MHz Memory 32 MB RAM 128 MB expandable up to 256 MB Printer Emulations GDI GDI PCL6 PS3 Standard Interfaces USB 2 0 High Speed supporting USB 2 0 High Speed supporting MS Plug and Play MS Plug and Play OS Compatibility Windows XP 2000 ME 98 SE Windows XP 2K 2003 ME 98 Longhorn Standard Paper In 200 sheet Multi purpose Tr...

Page 18: ... Product specification and feature 2 8 Samsung Electronics 2 2 System Overview This chapter describes the functions and operating principles of the main components 2 2 1 System Structure 2 2 1 1 Main Parts of System ...

Page 19: ...rmistor Temperature Measuring Device Thermostat Critical Temperature Detecting Device ITB Intermediate Transfer Belt 1st Transfer Roller The life span Print over 60 000 Images The ITB unit includes 1st Transfer Roller OPC Organic Photo Conductor Developer The life span Print over 50 000 Images Both Imagine Unit consists of 4 kinds of Developer OPC and Deve Main Frame Toner Kits The life span Color...

Page 20: ...s 2 2 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 21: ...g Applied voltage 1 1kV Charge acceptance 520V OPC coating thickness 21um OPC diameter 60mm Eraser system 1 Organic Photoconductor is charged to uniform voltage by conductive roll charging method 2 No ozone is produced because corona is not used 3 Charger roll is cleaned with cleaning roll 4 Toner remained on OPC after T1 process is cleaned by cleaning blade and retrieved into waste toner box by a...

Page 22: ...C DC Voltage is being used to develop toner into latent image on OPC because non contact developing method is adopted 3 Y M C and K Images are sequentially developed onto OPC and transferred onto Intermediate Transfer Belt hereafter ITB to form a color image on ITB 4 Toner Bottles are used to supply toner into developer compartment 5 Toner level is being sensed to control toner supply from toner b...

Page 23: ...lor 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 box by auger and belt driving system 5 T2 Roll is engaged when color image is being transferred onto media Otherwise it is disengaged Clutch is used for driving T2 Roll engagement and disengagement Fusing 3 Roll system short warm up ti...

Page 24: ...ain PBA Description 2 2 2 1 Main Controller PBA CN2 CN3 CN1 CN5 CN6 CN17 CN21 CN22 CN16 USB RJ45 CN8 CN20 CN19 CN14 CN18 CN13 CN11 CN9 DEVE_ HOME DEV_ SOL ITB_ CLUTCH CN24 Fan PANEL SMPS COVER OPEN HVPS SCF LSU DEVE ITB REG EMPTY REGI CLUTCH PICKUP BLDC T2_ CLUTCH FUSER FUSER CLUTCH ...

Page 25: ...Product specification and feature Service Manual 2 15 Samsung Electronics 2 2 2 2 Main PBA ...

Page 26: ... the engine to print image Function Process 0 13um Technology Package 496 PBGA CPU Core ARM 920T 300MHz Cache I Cache 16KB D Cache 16KB System Bus 32 bit width 100MHz SDRAM Controller 32 bit width 100MHz operation 5 Banks Up to 128MB Address space per Bank Programmable Timing to Control SDRAM A C Characteristics Support Self Refresh for Data Retention ROM Controller 32 bit width 4 Banks Up to 16MB...

Page 27: ...0 600 1200dpi CIS CCD Interface Color Mono grey image Binary image scan support 600dpi Color Mono Copy support Image Processing for High End MFP Digital Copier MH MR MMR CODEC for Fax Scan image A4 1200dpi processing Copy image A4 600dpi processing MAC Controller 10 100Mbps Full IEEE 802 3 compatibility PPI Controller IEEE1284 compliant parallel port interface DMA Based or Interrupt Based operatio...

Page 28: ...Service Manual Product specification and feature 2 18 Samsung Electronics CHORUSm Internal Block Diagram ...

Page 29: ...and thus receives print job from host BCM5241 is used for physical layer chip 6 EEPROM Block System EEPROM is controlled by the I2C controller built in CHORUSm connected to the other non volatile memory on I2C bus It works at the speed of 400KHz This system EEPROM contains all drive information and production information necessary for the operation of printer Its size is 64K bit 7 OPE Control The ...

Page 30: ...tch etc 12 PWM Control PWM Controller built in CHORUSm controls the parts that require PWM for normal printing such as BLDC drive speed and HVPS high voltage level etc 13 ADC Control It is controlled by ADC Controller built in CHORUSm and is used for perception of charged voltage and current 1st and 2nd transfer voltage and current fusing temperature used up toner and toner amount and interior tem...

Page 31: ...iving system and AC Heat Control part which supplies power to Fuser Standard TYPE is used 1 DC Output Main Controller PBA OP Panel BLDC Sensors Clutches Other PBAs 2 AC Output Fuser Unit Heat Lamp Thermostat 3 Output Voltage CON2 To Main PBA CON1 CON3 AC Input Fuser AC CHANNEL 5 0V 24V 24VF V_out 5 0V 5 24 0V 15 10 24 0V 15 10 Load MicroController LSU MOTOR CLUTCH CMOS LOGIC HVPS ...

Page 32: ... High Voltage Power Supply PBA HVPS PBA generates high voltage of charger supply T1 and T2 which is supplied to Developer ensuring optimum condition for image formation HVPS receives input of 24V and generates high voltage supplying it to Toner OPC Cartridge ITB Unit and Transfer Roller ...

Page 33: ...normally 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 ma...

Page 34: ...ation data It runs with the setting of default development parameter Image quality will be degraded for the lack of appropriate respond to the change of time and environment 3 Service Response It is possible to response appropriately for the information of cartridge life is saved at Back Up Area Process after CRU life expiration 1 Record the information of End of Life 2 Copy the information of Ope...

Page 35: ...Product specification and feature Service Manual 2 25 Samsung Electronics CRUM Position Cap Agitator Washer Bottle Agitator Seal CRUM Coupling Cap CRUM ...

Page 36: ...This model has 20ppm B W print speed and 5ppm color print speed 2400 x 600 dpi class optical 600 x 600 dpi color laser printer 2 2 4 1 Controller The video controller board is located on the right side of the printer Basic Memory is 128 Mbytes SDRAM Field F W upgradeable FLASH ROM firmware for controller 8K byte EEPROM Printing Resolution Native 600 x 600 dpi standard Resolution can be enhanced up...

Page 37: ...the Novell NetWare TCP IP etc Details of the network specification will be provided separately 2 2 4 6 Control Panel No LCD 1 keys and 5LEDs 2 2 4 7 Periodic Replacing Parts Samsung shall specify parts requiring replacement and the frequency of replacement The parts identified may be deemed customer replaceable parts Periodic replacement parts shall be recommended as follows Average A4 letter size...

Page 38: ...point specified life point and hard stop point on toner not on IBT unit and also store the current life count pages count pixels count images count and of usage gas gauge data 2 2 4 12 LOW OUT Behavior for consumables The consumable low and out behavior on CLP 350N Series engine is specified by SEC FP Device for life end Low 90 Life 100 Hard stop Reset to 0 message detection Toner CRUM Yes Yes Yes...

Page 39: ...Windows 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 ...

Page 40: ... as the polling interval When the user wants to set the option of the Status Monitor manually he or she can set it using the Printer Driver User Interface So if the user set option that the Status Monitor is disabled the Status Monitor can s show HTML Help to the user although the error has occurred while printing Printer Driver Language Monitor Printer Server Kernel NPC Job ID Status Monitor Stat...

Page 41: ...rator 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 2 3 6 System F W Flow ...

Page 42: ...Area 3 Cover Cover Open Message toggles between Cover Open and Install Transfer Belt SCF Cove Open 4 Service Call Unrecoverable Error Engine LSU Error Main Motor Error Engine Fuser Over Low Heat Error Open Heat Error Transfer Belt Error 5 Others Memory Overflow Error Ready IP Conflict Toner C M Y K Transfer Belt Fuser Pickup Rollers MP Tray1 Tray2 90 100 Ready Yellow Toner Low Replace Transfer Bel...

Page 43: ...n 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 cartridge Image Count Model ID 2 3 10 FW Upgrade Via USB or Network SWS SWAS You can upgrade F W via USB or Network whenever the printer is ...

Page 44: ...Service Manual Product specification and feature 2 34 Samsung Electronics 2 3 11 Initailize Flow ...

Page 45: ...Product specification and feature Service Manual 2 35 Samsung Electronics ...

Page 46: ... and Assembly page 3 5 3 3 1 Special Service Parts page 3 5 1 Disassemble of LSU Unit page 3 5 2 Disassemble of ITB Unit page 3 5 3 Custody of OPC Unit page 3 5 4 Custody of Toner Cartridge page 3 5 5 Disassemble of DEVE Drive Ass y and Main Drive Ass y page 3 5 6 Disassemble of Terminal Parts page 3 5 7 Disassemble of Fuser Unit page 3 5 3 3 2 Screws Used in the Printer page 3 6 3 4 Disassembly P...

Page 47: ...ecautions 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 soldered connections connector terminals or other electr...

Page 48: ...r cartridge Approx Initial 1 500 pages CLP K300A User Sales 2 000 pages Replacement Color toner cartridge Approx Initial 700 pages CLP C300A Cyan Sales 1 000 pages CLP M300A Magenta CLP Y300A Yellow Imaging unit Approx 20 000 black pages or approx CLP R300A 12 500 color pages Waste toner Approx 5 000 images or Approx CLP W300A container 1 250 pages fulll color 5 image Pick up roller Approx 50 000 ...

Page 49: ... 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 50: ...he developer roller surface as cont amination will reduce print quality Take care not to damage the roller s surface when installing or removing a toner car tridge 4 Disassembly of DEVE drive ass y and the main drive ass y The alignment of the drive mechanism is critical and it has been set up in factory using a jig and a driving gear It is adjust ed for the best gearing alignment If the motor is ...

Page 51: ...UB MAIN FRAME BRACKET CONT LOWER 2 SUB MAIN FRAME UNIT SMPS 2 BRACKET CONT UPPER IPR SHIELD SIMM 1 BRKT SHIELD SMPS SMPS type5 Fuser BD 8 FRAME FRONT FRAME REAR FRAME BOTTOM 4 SUB MAIN FRAME PBA DRIVE 3 MEA FRAME BASE CHANNEL FRAME BASE 3 S3 6003 000275 SCREW TAPTITE BH B M3 L10 BLK MAIN FRAME COVER REAR 4 SWCH1018AK DRAW CONNECTOR 2 S4 6003 001086 SCREW TAPTITE BH B M3 L12 SUB MAIN FRAME BRACKET ...

Page 52: ...RAME BASE 4 MEA FRAME BASE ELA Guide SCT paper 2 MEA UNIT FRAME BASE BRACKET POWER 1 MEA UNIT FRAME BASE MEA ASSY PICKUP 5 S8 6003 000301 SCREW TAPTITE BH S M4 L6 BRKT main front BRKT main rear 6 ZPC YEL SWRCH18A BRKT main rear Motor 10 BRACKET P POWER Power Inlet GND wire 1 S9 6002 000308 SCREW TAPTITE PH B M2 6 L6 COVER OP FRAME LCD LCD PBA 2 ZPC YEL SWRCH18A S10 6003 000196 SCREW TAPTITE PWH B ...

Page 53: ...IBILITY 1 GUIDE_M_OUTPUT GUIDE_M_DUPLEX 2 Cover right Holder Link 2 Cover right Holder Lower F 3 Cover right Holder Lower R 2 Cover right Holder Upper F 1 Cover right Holder Upper R 1 FRAME CASSETTE GEAR PINION 1 FRAME CASSETTE GUIDE FRONT CASSETTE 2 SUB MAIN FRAME FRAME FRONT FRAME REAR 4 FRAME MAIN ELA UNIT Deve Terminal 4 FRAME MAIN ELA UNIT PTB Terminal 3 FRAME MAIN GUIDE RAIL FRONT 2 FRAME MA...

Page 54: ...ME P REGI COVER M REGI FRAME 2 FRAME P REGI FRAME PICK UP 4 FRAME PICK UP GUIDE GEAR BRACKET 3 SOLENOID MAIN GUIDE GEAR BRACKET 1 HOLDER SENSOR FRAME P REGI 1 S11 6003 000264 SCREW TAPTITE PWH B M3 COVER INNER MP GEAR PINION 1 L6 ZPC YEL SWRCH18 NO SEC CODE DESCRIPTION SPECIFICATION LOCATION QT Y ...

Page 55: ... Remove the ITB Unit When reassembling reassemble ITB Unit to the direction of arrow from down to up 3 4 Disassembly Procedure The description of disassembly and reassembly in this manual is listed according to the disassembly procedures If you find the certain unit or Ass Øy please consult the name of unit under the picture 3 4 1 Cover Unit ...

Page 56: ...vice Manual 3 11 5 Remove the two screws and then Top Cover 6 Remove the one screw from the Right Cover 7 Remove the one screw from the rear of the Right Cover 8 Release the Right Cover from the SET 9 In the same way release the Left Cover from the SET ...

Page 57: ...Samsung Electronics Service Manual Disassembly and Reassembly 3 12 1 Remove the 4 screws on the Fuser 2 Push the Holder shaft Fuser as shown below 3 Take out the Fuser Ass y 3 4 2 Fuser Unit ...

Page 58: ...ice Manual 3 13 1 Release the LSU Cover 2 Unplug the Harness 2 EA remove the 3 screws and release the LSU from the SET 3 4 3 LSU Unit 1 Unplug the Harness 2 EA remove the 6 screws and take out the HVPS 2 Unplug the Harness from the HVPS 3 4 4 HVPS Board ...

Page 59: ... Disassembly and Reassembly 3 14 1 Unplug all the Harness from the Main board remove the 5 screws and release the Main board from the SET 3 4 5 Main Board 1 Remove the 10 screws and release the Drive Ass y from the SET 3 4 6 Drive Unit ...

Page 60: ...bly and Reassembly Samsung Electronics Service Manual 3 15 1 Unplug the Harness 2 EA remove the 4 screws and release the SMPS board from the SET 3 4 7 SMPS Board 1 Take out the Transfer Unit 3 4 8 Transfer Unit ...

Page 61: ...ey show the status of the printer only with their LEDs The CLP 350N printers have 1 keys and 5 LEDs The User Interface module handles the processing of the Key Press and LED control at different states of the machine 4 1 1 2 Architecture KEY 1 key Stop key LED 5 LEDs 4 LED for CMYK toners toner low cyan magenta yellow black LEDs 1 LED for status ready green or error red status LED two color LED 4 ...

Page 62: ...ess After the panel task is received the Stop key detection event it checks the engine error status two times and process the operation to be defined by key value Demo page Configuration sheet function This button will have multiple functions when the printer is in idle state Demo page printing Press and hold this button for about 2 seconds until the control panel lights blink slowly to print a de...

Page 63: ... and in ready mode it glows by green color The other four LEDs indicate the toner status If the black toner needs to change the toner low black LED glows and if the color yellow magenta cyan toners need to change the toner low yellow magenta cyan LED glows 4 1 2 2 1 Functions LED function is made up of Ready Printing status display Error status display Toner low status display 4 1 2 2 2 Detail Des...

Page 64: ...r needs to change N A Toner low cyan ON Cyan toner needs to change N A Toner low magenta ON Magenta toner needs to change N A Toner low yellow ON Yellow toner needs to change Service Error LED Operation All LEDs blink the each time interval Service Error LED operation Fuser Error Open Fuser Error All LEDs Toner low LEDs Status Red LED blink a time interval of 1 second No Heat Error All LEDs Toner ...

Page 65: ...LEDs blink one time 2 After Status Red LED blinks two times Toner low LEDs blink one time 3 After Status Red LED blinks three times Toner low LEDs blink one time 4 After Status Red LED blinks four times Toner low LEDs blink one time 5 After Status Red LED blinks five times Toner low LEDs blink one time 6 After Status Red LED blinks six times Toner low LEDs blink one time 7 After Status Red LED bli...

Page 66: ...jam again 4 1 3 1 Clearing Paper Jams NOTE When removing paper that is jammed in the printer if possible always pull the paper in the direction that it normally moves so as not to damage internal components Always pull firmly and evenly do not jerk the paper If the paper tears ensure that all fragments of paper are removed otherwise a jam will occur again If a paper jam occurs the Status LED on th...

Page 67: ...ver and then open the top cover 4 Holding the inner cover open carefully take the jammed paper out of the printer The inner cover will then close automatically 5 Close the top cover Make sure that it is securely latched 6 Open and then close the rear cover or front cover to resume printing ...

Page 68: ...emove Ensure that the adjustable guides are positioned correctly Do not overload the paper tray Do not remove the paper from the tray while printing Flex fan and straighten the paper before loading Do not use creased damp or highly curled paper Do not mix paper types in a tray Use only recommended print materials Ensure that the recommended print side of print materials is facing up in the paper t...

Page 69: ...printer is operating correctly To print a demo page In ready mode press and hold the Stop button for 2 seconds A demo page showing the printer s features and capabilities is printed 4 1 4 2 Printing a Configuration Page You can print a configuration page from the printer s control panel Use the configuration page to view the current settings to help troubleshoot problems To print a configuration p...

Page 70: ...No Roller Period Phenomenon 1 OPC Drum 188 5 mm White and Black Spots 2 Charge Roller 37 7mm Black Spot and line and Periodic Band 3 Supply Roller 47 5mm Periodic Band by little difference of density 4 Developing Roller 26 0mm White Spot Horizontal black band 5 1st Transfer Roller 32 7mm Ghost Damaged Image by abnormal tranfer 6 2nd Transfer Roller 57 5mm Ghost Damaged Image by abnormal tranfer 7 ...

Page 71: ...ng to check the CLP 350N 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 Clos...

Page 72: ...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 message will be displayed T2 Clutch When select key is pushed T2 Clutch ON message will be displayed Upper Level is pushed T2 Clutch Off message will be...

Page 73: ...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 Laser Diode Off message will be Eraser When select key is pushed Eraser On message will be displayed If not Eraser Off message will be Fuser When select key...

Page 74: ...eared 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...

Page 75: ...t picked up Cover Open Close When you still want to continue printing Paper Jam inside printer There is a paper inside printer After cover Open Paper must be removed and then close the cover Item Discription Fuser When select key is pushed Initialized message will be displayed When Upper Level is pushed Off message is disappeared Transfer When select key is pushed Initialized message will be displ...

Page 76: ...checked Transfer Belt Error ITB home sensor is not checked for a normal time ITB must be checked Fuser Over Heat error Temperature of fuser is high Fuser or Main board must be checked Fuser Low Heat error Temperature of fuser is low Fuser or Main board must be checked Fuser Open Heat error Temperature of fuser is less than 50 in warmup state Fuser or Main board must be checked Dev Home error Home ...

Page 77: ...emporar ily improve print quality by redistributing the toner The lighting toner cartridge is empty Remove the old toner cartridge and install a new one The blinking toner cartridge is totally exhausted Remove the old toner cartridge and install a new one The blinking toner cartridge is wrong Only install a Samsung toner cartridge designed for your printer A paper jam has occurred To solve the pro...

Page 78: ...onics 4 1 8 ITB Unit Reset 1 If your printer become special condition the Reset Count button will display on the Smart panel At that time click the button 2 And then the pop up below appears If you enter the ITB S N and click Apply the count will be clear Max 2 times ...

Page 79: ...Adjustment and Troubleshooting Service Manual 4 19 Samsung Electronics 3 After reboot the your computer you can check the cleared count as shown the picture below ...

Page 80: ...ptoms Before attempting to repair the printer first obtain a detailed description of the problem from the customer Power On Indicate Red Lamp ON Status LED Green OK Print test pattern printing Quality is Nomal Refer to Solution of Image Problem Refer to 4 1 2 2 LED Function END No Power Power Module error Main PBA LED Panel ON ...

Page 81: ... 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 If completing the checklist does not resolve the printer problem check the following troubleshooting sections See Solving General Printing Problems See Solving Print Quality Problems See Common Windows Problems See C...

Page 82: ...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 reconnect it The printer cover is not closed The printer cover is n...

Page 83: ... 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 printer driver see the Software Section Try prin...

Page 84: ...correctly 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 Description Paper does not feed into the printer ...

Page 85: ...r network port to improve print speed Your printer prints A4 sized paper at 20 ppm in black and white mode and 5 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 350N Series printer icon choose Properties click the Details tab and then choose the Spool Settings button Select the desired...

Page 86: ...lication 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 Description Half the page is blank ...

Page 87: ...xcess 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 Description The paper keeps jamming ...

Page 88: ...nd 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 application s printer selection menu to ensure that your printer is select...

Page 89: ...defective or out of toner Redistribute the toner If necessary replace the toner cartridge Some parts in the printer may be defective Contact a service representative The file may have blank pages Check the file to ensure that it does not contain blank pages Description Pages print but are blank ...

Page 90: ...ription When you are using Windows 98 the illustrations print incorrectly from Adobe Illustrator 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 Description The print quality...

Page 91: ...vice Manual 4 31 Samsung Electronics The oil used to protect the fuser is evaporating After printing about 100 color pages there will be no more smell It is a temporary issue Description Your printer has an odd smell during initial use ...

Page 92: ...cifications 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 Service Manual Adjustment and Troubleshooting 4 32 Samsung Electronics 4 2 4 Solving Print Quality Problems Dirt inside of the printer or improper paper loading may reduce print quality See the table below to troubleshoot problems 1 ...

Page 93: ...Adjustment and Troubleshooting Service Manual 4 33 Samsung Electronics The paper may not meet specifications Check the paper type and quality 2 Toner specks AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 94: ...g the job 2 The moisture content of the paper is uneven or the paper has moist spots 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 3 Dropouts AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 95: ... on the page A imaging unit has probably been scratched Remove the imaging unit and install 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 4 Vertical lines AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 96: ...cedures below may fix the problem Change to lighter weight paper 2 heck the printer s environment 1 very dry low 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 5 Color or Black background AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 97: ...ent and Troubleshooting Service Manual 4 37 Samsung Electronics 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 6 Toner smear ...

Page 98: ...he inside 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 7 Vertical repetitive defects AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 99: ...r until necessary 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 t...

Page 100: ...properly formed and 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 9 Misformed characters AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 101: ...sure that 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 10 Page skew AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 102: ...ctronics 1 Curl or wave 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 11 Curl or wave ...

Page 103: ...lectronics 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 12 Wrinkles or creases ...

Page 104: ...Service Manual Adjustment and Troubleshooting 4 44 Samsung Electronics Check for leaking toner Clean the inside of the printer 13 Back of printouts aredirty ...

Page 105: ...tronics 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 14 Solid Color or Black pages A ...

Page 106: ... the inside 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 15 Loose toner ...

Page 107: ...amsung Electronics 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 16 Character Voids A ...

Page 108: ... 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 17 Horizontal stripes AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc ...

Page 109: ...leshooting Service Manual 4 49 Samsung Electronics 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 18 Curl ...

Page 110: ...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 appear These messages may appear during printing Just keep waiting until the printer finishes printing If the message appears in standby mode or after ...

Page 111: ...oblems 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 112: ...ling additional packages I just installed this package but can t find entries in the KDE Gnome menus Some versions of the KDE or GNOME desktop environments may require that you restart your session for the changes to take effect I get a Some options are not selected error message while editing the printer settings Some printers have conflicting settings meaning that some settings for two options c...

Page 113: ...some queues have otherwise been defined using printtool LPD systems identify the default queue as the one named lp Thus if there is already a queue by this name and if it doesn t have an alias then you won t be able to change the default To work around this you can either delete the queue or rename it by manually editing the etc printcap file The N up setting does not work correctly for some of my...

Page 114: ...e the regular lpr command to be non interactive and thus return immediately Since LLPR is waiting for user input before passing the job on to the print spooler very often the application will wait for the process to return and thus will appear to be frozen its windows won t refresh This is normal and the application should resume functioning correctly after the user exits LLPR How do I specify the...

Page 115: ...r GDI printer I sometimes get error messages printing instead of my document Unfortunately some Unix applications may generate non compliant PostScript output that may not be supported by Ghostscript or even the printer itself in PostScript mode You can try to capture the output to a file and view the results with Ghostscript gv or ghostview will allow you to do so interactively and see if you get...

Page 116: ...octor blade or cleaningblade If causes 1 and 2 occur in the developer unit replace the developer and try to print out 2 Scratched surface of the discharge roller in the developer Replace the transfer roller if occurred as No 3 3 Partly depression or deformation on the surface of the transfer roller Description 4 2 8 Major Problems Trouble shooting ...

Page 117: ...heck ribs that corresponds to the position of the voids Remove if found 2 If the problems are not solved replace the developer cartridge 2 Foreign matter or toner particles between the developer roller and blade In case the life of the developer has been expired white lines or light image occur in front of the image Foreign matter in the LSU Open the cover of LSU and clean with a cotton swab on th...

Page 118: ...nd try to print out Clean up the contaminated area by the toner Replace the HVPS if the problems are not solved by the above four directions 2 Ambient temperature is below than 10 C Wait 30 minutes after printer is powered on before you start printing 3 Bad contact caused by the toner stains between the high voltage terminal in the HVPS and the one in the set 4 Abnormal output from the HVPS Descri...

Page 119: ...rd Clean the high voltage charge terminal 2 Charge voltage is not turned on due to the bad contacts between power supply in the side of the Developer and charge terminal of HVPS 1 Check the state of the connector which connects the engine board and HVPS 2 Replace the HVPS if not solved by the above direction 1 and 2 Description ...

Page 120: ... than 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 pr...

Page 121: ... due to bad sealing of the side pad Replace the side pad Assembly L or R if necessary 3 Check the surface of the roller pickup for foreign matter Clean with soft cloth dampened with IPA Isopropyl Alcohol or water 4 If the paper feeds into the printer rand Jam 0 occurs perform EDC to check feed sensor of the engine board Replace the Main B D and or Sensor Description ...

Page 122: ... paper is jammed in front of or inside the fuser Replace the SMPS 2 If the recording paper is stuck in the discharge roller and the fuser just after passing through the Actuator Feed Feed Actuator may be defective Reassemble the Actuator Feed and Spring Actuator if the returning is bad Description ...

Page 123: ... 1 Solenoid 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 ...

Page 124: ...melting away Check the operation of Fuser Erasing Lamp 1 Replace the Fuser 2 Replace the Main Control board Description 10 Paper Empty 1 Bending or deformation of the actuator of the paper sensor Replace the defective actuator 2 The function of the engine board is defective Perform Replace the engine board Description ...

Page 125: ...it of the cover switch department in the Main Control board 1 Check the insertion of the Cover Open S W Connect 2 Replace the Main Control board or Cover Open S W Description 12 Defective motor operation 1 Motor harness or sub PCB may be defective 1 Check the motor harness replace it if defective 2 Check 24V in the SMPS 3 Check Front Cover or Jam cover are opened 4 Replace the Main PBA if necessar...

Page 126: ...y cord or SMPS 2 Check the inferiority of LED Panel on the front cover if the LED of Panel does not appear after normal warmingup 1 Replace the control board 2 Replace the LED panel Description 14 Vertical Line Getting Curved 1 If the supply of 24v is unstable in the Main Control board linking with LSU 1 Replace LSU 2 Replace the Main Control board Description ...

Page 127: ...g Electronics 15 LSU Error 1 Foreign matter stuck onto the window of internal lenses of LSU mirror Cleaning foreign matter in LSU mirror 2 Main Controller LSU Part defect Replace Main Controller 3 Micro Switch Harness Replace Micro Switch Harness Description ...

Page 128: ... BK 5 29 5 12 Toner CMY 5 31 5 13 Cassette 5 33 5 14 SCF Frame 5 35 5 15 SCF Cassette 5 39 Contents Contents Samsung Color Laser Printer The keynote of Product High Performance High Quality Muti path CLBP Model only CLP 350N Speed Color Mono 5 20ppm A4 5 19ppm Let Printing resolution 2 400 x 600 dpi Emulation PCL6 PS3 Memory expansion Max 128MB Processor 300MHz Interface IEEE 802 3 Ethernet 10 100...

Page 129: ...Samsung Electronics Service Manual Exploded Views Parts List 5 2 5 1 Main 0 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 17 2 17 1 18 1 18 2 19 20 21 23 24 25 26 27 28 29 ...

Page 130: ... 5 1 12 JC59 00018F UNIT LSU 1 SA 5 1 13 JC39 00483A CBF HARNESS LSU 1 SA 5 1 15 JC39 00583A CBF HARNESS GND_FRAME 1 SA 5 1 16 JC97 02656A MEA UNIT COVER LSU 1 SA 5 1 17 JC97 02638A MEA UNIT TERMINAL GND 2 SA 5 1 17 1 6107 001282 SPRING CS 1 SA 5 1 17 2 JC70 00050A IPR TERMINAL 1 SNA 5 1 18 JC97 01771A MEA UNIT TERMINAL S 8 SA 5 1 18 1 JC61 70929A SPRING ETC HV LARGE 1 SA 5 1 18 2 JC70 00050A IPR ...

Page 131: ...Samsung Electronics Service Manual Exploded Views Parts List 5 4 5 2 Cover Unit 0 1 1 1 1 2 1 3 3 2 3 1 3 2 3 3 3 4 4 4 1 4 2 5 ...

Page 132: ...01478A COVER FRONT_DUMMY 1 SA 5 2 3 JC97 02995A MEA UNIT COVER RIGHT 1 SA 5 2 3 1 JC63 01477A COVER SIDE R 1 SA 5 2 3 2 JC63 01489A COVER DUMMY SIDE 1 SA 5 2 3 3 JC67 00160A CAP NETWORK 1 SNA 5 2 3 4 JC72 01410A SPONGE COVER_SIDE R 1 SNA 5 2 4 JC97 03009A MEA UNIT COVER LEFT 1 SA 5 2 4 1 JC63 01476A COVER SIDE L 1 SA 5 2 4 2 JC72 01409A SPONGE COVER SIDE L 1 SNA 5 2 5 JC97 02993A MEA UNIT COVER RE...

Page 133: ...Samsung Electronics Service Manual Exploded Views Parts List 5 6 5 3 Top Cover 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Page 134: ...3 5 JC66 01297A LEVER MID BLOCKING 1 SNA 5 3 6 JC61 01761A HOLDER LEVER BLOCKING 1 SNA 5 3 7 6044 000001 RING CS 1 SNA 5 3 8 JC72 01343A PMO SUB_M_STACKER 1 SA 5 3 9 JC61 02166A BRACKET AIR CURTAIN 1 SA 5 3 10 JC63 01481A COVER OPE 1 SA 5 3 11 JC64 00337A BUTTON STOP 1 SA 5 3 12 6107 001169 SPRING CS 1 SA 5 3 13 JC63 01480A COVER LED 1 SA 5 3 14 6002 000440 SCREW TAPPING 1 SNA Drawer SEC_Code Desc...

Page 135: ...Samsung Electronics Service Manual Exploded Views Parts List 5 8 5 4 1 Rear Cover 2 7 1 4 5 9 3 6 8 8 11 10 0 Refer to 5 4 2 ...

Page 136: ...01089A SHAFT P LOCKBAR REAR 1 SNA 5 4 1 4 JC61 01461A HOLDER M HOOK REAR R 1 SNA 5 4 1 5 JC61 01456A HOLDER M HOOK REAR L 1 SNA 5 4 1 6 JC61 01462A HOLDER M HOOK REAR C 1 SNA 5 4 1 7 JC66 01587A LEVER REAR 1 SA 5 4 1 8 6107 001268 SPRING TS 2 SA 5 4 1 9 6003 000196 SCREW TAPTITE 2 SNA 5 4 1 10 JC96 03990A ELA UNIT TRANSFER 1 SA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE S...

Page 137: ...Samsung Electronics Service Manual Exploded Views Parts List 5 10 5 4 2 Transfer Unit 1 14 21 14 8 17 13 16 15 15 15 13 18 A 10 9 12 2 4 6 6 11 5 3 7 Transfer Unit 5 4 1 10 0 19 20 ...

Page 138: ...8A GUIDE P T2 OUTPUT 1 SNA 5 4 2 10 JC61 01470A GUIDE P T2 INPUT 1 SNA 5 4 2 11 JC61 01543A BUSH CHARGE LEFT 1 SNA 5 4 2 12 JC66 01072A SHAFT LOCATE 1 SNA 5 4 2 13 6107 001290 SPRING CS 2 SA 5 4 2 14 6107 001278 SPRING CS 3 SA 5 4 2 15 6003 000282 SCREW TAPTITE 3 SNA 5 4 2 16 JC39 00036A CBF HARNESS OPE GND 1 SA 5 4 2 17 JC70 10232A IPR PLATE SAW 1 SA 5 4 2 18 JC66 01104A ROLLER TRANSFER 1 SNA 5 4...

Page 139: ...Electronics Service Manual Exploded Views Parts List 5 12 5 5 Frame 1 0 1 2 2 3 3 4 5 6 7 8 7 7 9 10 11 12 13 16 14 15 17 19 20 21 25 24 23 22 16 27 31 28 29 30 S1 S1 26 S1 S1 32 34 33 S3 S2 34 1 34 2 34 3 34 4 ...

Page 140: ...ng Electronics Service Manual 5 13 Frame 2 0 35 36 37 38 39 40 41 42 43 44 45 46 43 44 47 48 49 50 50 51 52 52 53 54 55 53 1 53 2 53 3 53 2 53 4 53 5 54 1 54 4 54 2 54 3 54 5 54 5 56 57 57 1 57 2 57 3 58 59 60 60 61 62 63 64 65 66 67 ...

Page 141: ...P 1 SA 5 5 20 JB61 00076A SPRING ETC TORSION DOC CC2 F 1 SA 5 5 21 JC66 01119A LEVER M ACTUATOR EMPTY 1 SA 5 5 22 JC61 01481A HOLDER M ACTUATOR EMPTY 1 SNA 5 5 23 JC66 01133A LEVER M ACTUATOR FEED 1 SNA 5 5 24 JC61 00018A SPRING ETC SENSOR 1 SNA 5 5 25 JC61 01480A HOLDER M ACTUATOR FEED 1 SNA 5 5 26 JC92 01718A PBA SUB EXIT 1 SA 5 5 27 JC61 01546A SPRING ETC OPC LOCK L 1 SA 5 5 28 JC61 01451A PLAT...

Page 142: ... 5 53 5 JC73 00211A RUBBER PICK_UP 1 SA 5 5 54 not assign PICP UP ASSEMBLY 1 SNA 5 5 54 1 JC61 01473A GUIDE M PICK UP 1 SA 5 5 54 2 JC61 70911A SPRING ETC EXIT ROLL FD 2 SA 5 5 54 3 JC61 01787A HOLDER PAD 1 SA 5 5 54 4 JC69 00961A PAD FRICTION 1 SA 5 5 54 5 JC66 00815A LEVER M KICKER P U 2 SA 5 5 55 JC61 01790A PLATE PICK UP 1 SNA 5 5 56 JC61 01478A GUIDE M HARNESS 1 SNA 5 5 57 JC97 02688A MEA UNI...

Page 143: ...Samsung Electronics Service Manual Exploded Views Parts List 5 16 5 6 LSU Cover 0 1 2 5 4 6 3 ...

Page 144: ...LSU 1 SA 5 6 1 JC67 00168A BRUSH LSU 1 SNA 5 6 2 JC64 00267A SHUTTER LSU 1 SNA 5 6 3 JC63 00839A COVER M LSU 1 SNA 5 6 4 6107 001295 SPRING CS 2 SNA 5 6 5 JC63 01093A SHEET LSU FRONT 1 SNA 5 6 6 JC62 00338A SEAL COVER LSU 1 SNA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE SNA SERVICE not AVAILABLE ...

Page 145: ...ctronics Service Manual Exploded Views Parts List 5 18 5 7 Fuser Ass y 0 15 23 32 33 41 34 21 20 19 17 25 16 2 18 24 14 10 11 42 22 40 13 12 8 9 25 36 24 35 28 6 39 3 5 4 30 31 1 29 24 24 7 37 38 26 27 43 44 45 46 ...

Page 146: ...476A PLATE P GROUND FUSER 1 SNA 5 7 17 JC70 00518A ELECTRODE P AC R 1 SNA 5 7 18 JC70 00519A ELECTRODE P AC L 1 SNA 5 7 22 6107 001246 SPRING CS 2 SNA 5 7 23 JC61 01271A SPRING ETC ACTUATOR 1 SA 5 7 24 JC39 00500A CBF HARNESS FUSE_LINK1 2 SA 5 7 25 JC39 00501A CBF HARNESS FUSE_LINK2 1 SA 5 7 28 4713 001209 LAMP HALOGEN 1 SA 110V 5 7 28 4713 001210 LAMP HALOGEN 1 SA 220V 5 7 29 1404 001368 THERMIST...

Page 147: ...msung Electronics Service Manual Exploded Views Parts List 5 20 5 8 Main Drive 1 1 0 12 24 10 13 18 23 7 19 14 2 23 23 15 17 6 22 23 3 3 21 9 4 8 7 16 23 20 33 11 11 29 30 31 23 27 27 26 37 32 28 34 35 36 ...

Page 148: ...Exploded Views Parts List Samsung Electronics Service Manual 5 21 Main Drive 2 0 51 50 23 40 39 38 28 41 45 46 48 49 44 42 43 44 47 40 28 ...

Page 149: ...A GEAR DEVE DRIVE 4 SA 5 8 23 6031 001255 WASHER PLAIN 1 SNA 5 8 24 JC66 00771A GEAR _M_IDLE PICKUP 1 SA 5 8 25 JC61 01459A BRACKET M DRIVE FRONT 1 SNA 5 8 26 JC66 01061A SHAFT IDLE D8 1 SNA 5 8 27 JC66 01064A GEAR IDLE Z37 2 SA 5 8 29 JC66 01060A SHAFT WORM GEAR 1 SNA 5 8 30 JC66 01057A GEAR WORM DEVE CAM 1 SA 5 8 31 6044 000159 RING C 1 SA 5 8 32 6001 000130 SCREW MACHINE 7 SNA 5 8 33 JC66 01070...

Page 150: ... Drive Parts List 5 8 48 JC66 01097A LINK M PUSH BLACK CAP 1 SA 5 8 49 JC61 00699A BUSH D6 L4 3 SA 5 8 50 6502 001093 CABLE CLAMP 1 SA 5 8 52 JF68 10532B LABEL P BAR CODE 1 SNA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE SNA SERVICE not AVAILABLE ...

Page 151: ...ual Exploded Views Parts List 5 24 5 9 Cartridge Transfer 58 13 35 65 36 24 12 20 69 30 7 5 43 27 16 28 26 54 55 41 5 9 40 9 25 37 38 62 46 15 61 47 5 34 45 5 14 18 17 48 5 31 6 22 60 29 44 7 23 19 53 68 4 37 57 8 25 36 21 38 39 56 0 ...

Page 152: ...ARGE CLEANING 1 SNA 5 9 23 JC61 01539A BUSH M DRIVE ITB 1 SNA 5 9 24 JC61 01540A BUSH M ITB 1 SNA 5 9 25 JC61 01541A BUSH M TR ITB 2 SNA 5 9 26 JC61 01542A BUSH M IDLER WASTE BELT 1 SNA 5 9 27 JC61 01543A BUSH CHARGE LEFT 1 SNA 5 9 28 JC61 01701A SPRING ETC SHUTTER 1 SNA 5 9 29 JC61 01777A HOLDER BLADE ITB 2 SNA 5 9 30 JC61 01803A SPRING ETC GROUND ITB 1 SNA 5 9 31 JC62 00210A SEAL AUGER OPC 1 SNA...

Page 153: ...10914D LABEL P SERIAL NO 1 SNA 5 9 60 JC72 40332A PMO BUSHING_CHARGE 1 SNA 5 9 61 JC73 00222A RUBBER BELT WASTE ITB 1 SNA 5 9 62 JC97 02645A MEA UNIT BLADE ITB 1 SNA 5 9 63 JC61 01500A BRACKET P CLEANING ITB 1 SNA 5 9 64 JC61 01673A BLADE CLEANING ITB 1 SNA 5 9 65 JC97 02646A MEA UNIT ROLL DRV ITB 1 SNA 5 9 66 6031 001547 WASHER PLAIN 1 SNA 5 9 67 6044 000125 RING E 1 SNA 5 9 68 JC61 01562A GUIDE ...

Page 154: ...Exploded Views Parts List Samsung Electronics Service Manual 5 27 5 10 Cartridge Drum 0 1 2 3 4 5 6 7 8 9 10 11 11 12 ...

Page 155: ... 10 4 JC97 03031A MEA UNIT W_TONER_TANK 1 SNA 5 10 5 JC97 02615D MEA UNIT DEV C 1 SNA 5 10 6 JC97 02614D MEA UNIT DEV M 1 SNA 5 10 7 JC97 02613D MEA UNIT DEV Y 1 SNA 5 10 8 JC97 02616D MEA UNIT DEV K 1 SNA 5 10 9 JC97 03076A MEA UNIT OPC SET 1 SNA 5 10 10 6107 001292 SPRING CS 1 SNA 5 10 11 6003 000282 SCREW TAPTITE 2 SNA 5 10 12 6006 001078 SCREW TAPTITE 2 SNA Drawer SEC_Code Description QT y Ser...

Page 156: ...Exploded Views Parts List Samsung Electronics Service Manual 5 29 5 11 Toner BK 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 BK ...

Page 157: ...SHEET BOTTLE AUGER 1 SNA 5 11 11 JC61 01677A SPRING ETC RETURN 1 SNA 5 11 12 JC67 00259A TANK TONER BOTTLE BK 1 SNA 5 11 13 JC63 01490A SHEET AGITATOR BK 1 SNA 5 11 14 JC66 01591A SHAFT SPRING 1 SNA 5 11 15 JC61 01676A SPRING ETC AUGER K 1 SNA 5 11 17 JC66 01589A SHAFT AUGER 1 SNA 5 11 21 JC63 01492A COVER INNER BK 1 SNA 5 11 22 JG72 40960A PMO CAP TONER 1 SNA 5 11 23 JC66 01139A GEAR AUGER A 1 SN...

Page 158: ...Exploded Views Parts List Samsung Electronics Service Manual 5 31 5 12 Toner CMY 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 C M Y ...

Page 159: ...01253A SHEET BOTTLE AUGER 1 SNA 5 12 11 JC61 01677A SPRING ETC RETURN 1 SNA 5 12 12 JC67 00258A TANK TONER BOTTLE 1 SNA 5 12 13 JC63 01491A SHEET AGITATOR 1 SNA 5 12 14 JC66 01591A SHAFT SPRING 1 SNA 5 12 15 JC61 02391A SPRING ETC AUGER RU 1 SNA 5 12 17 JC66 01589A SHAFT AUGER 1 SNA 5 12 21 JC63 00894A COVER INNER 1 SNA 5 12 22 JG72 40960A PMO CAP TONER 1 SNA 5 12 23 JC66 01139A GEAR AUGER A 1 SNA...

Page 160: ...Exploded Views Parts List Samsung Electronics Service Manual 5 33 5 13 Cassette 0 1 2 3 4 5 6 7 6 7 8 9 10 11 12 13 14 14 15 16 17 17 18 19 ...

Page 161: ...01530C FRAME SEMI CASSETTE 1 SNA 5 13 9 JC70 00516A ADJUST M CASSETTE R 1 SA 5 13 10 JC70 00517A ADJUST M CASSETTE L 1 SA 5 13 11 JG66 40003A GEAR PINION 1 SA 5 13 12 JC68 01680A LABEL INSTRUCTION 1 SNA 5 13 13 JF68 10532B LABEL P BAR CODE 1 SNA 5 13 14 6107 001240 SPRING CS 2 SNA 5 13 15 JC64 00223A LOCKER M KNOCK UP L 1 SA 5 13 16 JC64 00222A LOCKER M KNOCK UP R 1 SA 5 13 17 JG61 70531A SPRING E...

Page 162: ...ed Views Parts List Samsung Electronics Service Manual 5 35 5 14 SCF Frame 1 0 29 24 30 S1 25 4 4 22 7 23 6 37 5 4 21 20 36 32 31 33 4 28 38 27 26 3 1 39 S1 2 34 35 18 18 17 13 11 15 10 8 9 16 11 12 19 14 15 ...

Page 163: ...Samsung Electronics Service Manual Exploded Views Parts List 5 36 SCF Frame 2 0 47 49 42 43 44 48 45 46 46 1 46 2 46 3 46 4 46 5 50 ...

Page 164: ...G FEED 2 SA 5 14 19 JC97 02741A MEA UNIT GEAR PICKUP 1 SA 5 14 20 JC96 03003A ELA HOU MOTOR SCF 1 SA 5 14 21 3301 001635 CORE FERRITE 1 SNA 5 14 22 JC61 40001A FOOT ML80 2 SA 5 14 23 JC92 01832A PBA SUB SCF 1 SA 5 14 24 JC92 01799A PBA SUB SCF_EMP 1 SA 5 14 25 JC92 01800A PBA SUB SCF_OPEN 1 SA 5 14 26 JC39 00102A CBF HARNESS SCF_8P 1 SA 5 14 27 JC67 00201A BRUSH ANTISTATIC_SCF 1 SNA 5 14 28 JC63 0...

Page 165: ...1 00580A HOLDER M PAD 1 SA 5 14 47 JC63 00290A SHEET HOLDER PAD 1 SA 5 14 48 JC73 00140A RPR FRICTION PAD 1 SA 5 14 49 JC70 00314A IPR PLATE PAD 1 SA 5 14 50 JC61 70911A SPRING ETC EXIT ROLL FD 1 SA 5 14 51 JC63 01033A COVER M LEFT SCF 1 SA 5 14 52 JC63 01034A COVER M RIGHT SCF 1 SA 5 14 53 JC63 01035A COVER M REAR SCF 1 SA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE SNA S...

Page 166: ...Exploded Views Parts List Samsung Electronics Service Manual 5 39 5 15 SCF Cassette 0 1 15 7 4 11 10 12 14 3 3 6 2 9 13 8 5 ...

Page 167: ...OCKUP SCF 1 SA 5 15 6 JC66 00719A CAM M KNOCK UP 1 SA 5 15 7 6003 000264 SCREW TAPTITE 1 SNA 5 15 8 JC70 00523A ADJUST M SCF R 1 SA 5 15 9 JC70 00524A ADJUST M SCF L 1 SA 5 15 10 JC63 00855A COVER M CASSETTE 1 SA 5 15 11 JC61 01664A GUIDE M REAR SCF 1 SA 5 15 12 JC72 00972A PMO PLATE_LOCKER 1 SA 5 15 13 JC73 00141A RPR PAD CASSETTE 1 SA 5 15 14 JG61 70531A SPRING ETC LOCKER PLATE 1 SA 5 15 15 JG66...

Page 168: ...R 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 SD...

Page 169: ...4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 DEVE SOLENOID 24VF NC ITB_CLUTCH 1 2 3 CN10 ITB_CLUTCH CN23 24VF NC THV_CLUTCH 1 2 3 CN7 T2_CLUTCH 24VF NC REGI_CLUTCH 1 2 3 CN24 REGI_CLUTCH EXIT SENSOR MOTOR FAN LSU_MOT_CLK nLSU_READY nLSU_MOT_EN DGND 24V 1 2 3 4 5 MOTOR nHSYNC1 5V_LSU DGND nLD_EN VDO1_minus VDO1_plus LSU_SH1 LD_POWER1 1 2 3 4 5 6 7 8 VIDEO 5V_LSU nHSYNC1 DGND nLD_EN VDO1...

Page 170: ...ENOID DEVE T2 REGI PICK UP ITB FUSER TONER YMCK BLDC HVPS SCF LSU SENSOR DEVE_HOME REGI EMPTY EXIT WASTE OPE 5V MVPG31 3 3V 24V 5V 3 3V COVER OPEN SWITCH FRONT REAR 24V 24V 24V 5V 3 3V 24V 5V 3 3V IMAGING ITB UNIT 24V 3 3V 24V 5V 3 3V 24V 5V 5V 3 3V 5V 3 3V AC 24V 5V Thermistor ...

Page 171: ... ITB Unit TONER SOLENOID YMCK WASTE LED 2P 2P 2P 2P 2P 3P ITB POWER SIGNAL 5V nITB_HOME ERASER LAMP 2P IMAGING UNIT POWER SIGNAL 24V 5V 3 3V SCL SDA ADC_SEL0 ADC_SEL1 ADC_SEL2 ITB_HOME ERASER_LAMP TONER_LED_EN ADC_MUX_OUT TONER SOL Y TONER SOL M TONER SOL C TONER SOL K ...

Page 172: ... nTHV_EN ITHV_READ THV_READ MHV_READ nP_EXIT FAN_MAIN DEV_SOL1 DEV_SOL2 DEV_SOL3 DEV_SOL4 OUT_TEMP WASTE_LED EXIT SENSOR POWER SIGNAL 5V EXIT_SENSOR WASTE LED_R POWER SIGNAL 5V WASTE_LAMP DEVE SUPPLY DEVE BIAS CHARGER T2 T1 LSU_VIDEO POWER SIGNAL 5V nHSYNC1 nLD_EN VDO1_minus VDO1_plus LSU_SH1 LD_POWER1 LSU_MOTOR POWER SIGNAL 24V 5V LSU_MOT_CLK nSLU_READY nLSU_MOT_EN ...

Page 173: ...PICKUP SOLENOID OPE POWER SIGNAL 5V 3 3V OP_K_LED OP_Y_LED OP_M_LED OP_C_LED OP_STA_LED1 OP_STA_LED2 OP_MOD_LED nOP_KEY_MODE nOP_KEY_ONLINE BLDC POWER SIGNAL 24VF 5V 3 3V nMOTOR_EN MOTOR_READY PWM_MOTOR STEP MOTOR POWER SIGNAL 24V OUT1A OUT1B OUT2A OUT2B SCF POWER SIGNAL 24V 3 3V SCF_RXD nSCF_DETECT SCF_TXD ...

Page 174: ...System Diagram Samsung Electronics Service Manual 6 7 6 2 6 Sensor Clutch Solenoid DEVE_HOME SENSOR DEVE CLUTCH ITB CLUTCH T2 CLUTCH FUSER CLUTCH PICK UP SOLENOID REGI CLUTCH EMPTY SENSOR REGI SENSOR ...

Page 175: ...hooting The following tools are recommended safe and easy troubleshooting as described in this service manual 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 An IPA IsopropylAlcohol dry ...

Page 176: ...mic Random Access Memory DVM Digital Voltmeter ECP Enhanced Capability Port ECU Engine Control Unit EEPROM Electronically Erasable Programmable Read Only Memory EMI Electro Magnetic Interference 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 G...

Page 177: ...ternet or Inter Network Groper PPD Postscript Printer Discription PPM Page Per Minute PS Post Script PS3 Post Script Level3 PTL Pre Transfer Lamp PTB Paper Transfer Belt PWM Pulse Width Moduration Q ty 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 Proc...

Page 178: ...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 179: ...Reference Information Samsung Electronics Service Manual 7 5 7 4 A4 ISO 19752 Standard Pattern This test page is reproduced at 70 of the normal A4 size ...

Page 180: ...CODE 0350 C0XAA 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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