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Samsung CLP-300N/XEU, Service Manual

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Samsung CLP-300N/XEU Service Manual Download Page 126

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Exploded Views & Parts List

8.10 ITB Unit

Samsung Electronics

Service Manual

8-27

Summary of Contents for CLP-300N/XEU

Page 1: ...eries Model CLP 300 B W 16 ppm Color 4 ppm SPL C CLP 300N CLP 300 Network Resolution 2400 x 600 dpi CPU Samsung CorrusM 170MHz Interface CLP 300 USB 2 0 CLP 300N USB 2 0 Ethernet 10 100 Base TX Consumables 2K black toner cartridge 1K color toner cartridge Waste toner box Paper Handling 150 sheets Semi cassette 1 sheet manual slot 150 sheet Face Down CLP 300 ...

Page 2: ... CODE 0300 N0XEU 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 ...

Page 3: ...2 2 Specifications 2 2 2 3 Model Comparison Table 2 6 3 System Overview 3 1 System Structure 3 1 3 2 Main PBA Description 3 7 3 3 CRUM 3 17 3 4 General Description 3 19 4 S W Structure and Descriptions 4 1 Architecture 4 1 4 2 Language Monitor 4 1 4 3 Status Monitor 4 1 4 4 Network Interface 4 2 4 5 Printer Driver Status Monitor 4 2 4 6 System F W Flow 4 3 4 7 Alarm Shortage 4 4 4 8 Error status 4...

Page 4: ...1 Control Panel 6 1 6 2 Function 6 2 6 3 Jam Removal 6 6 6 4 Sample Pattern 6 9 6 5 Periodic Defective Image 6 10 6 6 How to use EDC Engine Diagnostic Control Mode 6 11 6 7 Error Message 6 17 7 Troubleshooting 7 1 Procedure of Checking the Symptoms 7 1 7 2 Troubleshooting Checklist 7 2 7 3 Solving General Printing Problems 7 3 7 4 Solving Print Quality Problems 7 7 7 5 Common Windows Problems 7 11...

Page 5: ... 7 LSU Cover 8 9 8 8 Fuser Unit 8 10 8 9 ELA UNIT OPC DEV 8 11 8 10 ITB Unit 8 12 8 11 Casstte Unit 8 13 9 Block diagram 9 1 Block Diagram 9 1 10 Connection Diagram 10 1 Connection Diagram 10 1 11 Schematic Diagram 11 1 Main Board 11 1 11 2 Panel 11 16 11 3 DEVE INF 11 17 11 4 ITB INF 11 18 11 5 SMPS 110V 11 19 11 6 SMPS 220V 11 20 11 7 HVPS 11 21 ...

Page 6: ...Continued 12 Reference Information 12 1 Tools for Troubleshooting 12 1 12 2 Acronyms and Abbreviations 12 2 12 3 Select a location for the printer 12 4 12 4 A4 ISO 19752 Standard Pattern 12 5 ...

Page 7: ...ny 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 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...

Page 8: ...g or removing the power connector The power connector must be inserted com pletely otherwise a poor contact could cause overheating possibly leading 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 d...

Page 9: ...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 10: ...r feeding entrance motor fan etc If do you can get harm 3 When you move the printer This printer weighs 13 6kg 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 13 6Kg ensure the printer is installed on a level surface capable of supporting its weight Failure to do so c...

Page 11: ...ctrical charges sufficient to damage ESDs 5 Do not use Freon propelled chemicals When sprayed these can generate electrical charges sufficient to dam age ESDs 6 Do not remove a replacement ESD from its protective packaging until immediately before installing it Most replacement ESDs are packaged with all leads shorted together by conductive foam aluminum foil or a compa rable conductive material 7...

Page 12: ... 5 000 images CLP W300A container or Approx 1 250 pages fulll color Standard image Pick up roller Approx 50 000 pages Contact a service Fuser unit Approx 100 000 black pages representative or 50 000 color pages T2 roller Approx 100 000 pages ITB Approx 60 000 black pages or 15 000 color pages Average A4 letter sized page count based on Standard coverage of individual colors on each page Usage cond...

Page 13: ...Manual Product Specifications 2 2 2 2 Specifications Specifications are correct at the time of printing Product specifications are subject to change without notice See below for product specifications 2 2 1 General Specifications ...

Page 14: ...Product Specifications Samsung Electronics Service Manual 2 3 2 2 2 Controller S W ...

Page 15: ...Samsung Electronics Service Manual Product Specifications 2 4 2 2 3 Paper Handling Plain paper Envelopes Labels Card stocks Transparency film ...

Page 16: ...Semi glossy Key Unique Electronic key 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 1 250 sheets Full Color Std Image or 5 000 images Full Sensor Key N A FRU ...

Page 17: ...s 2 6 2 2 5 Environment 2 2 6 Options 2 2 7 Accessory S W APPLICATION CD INA ACCESSORY CBF POWER CORD BAG PE S W APPLICATION CD MANUAL CARD WARRANTY CARD LABEL P BLANK 90 25 JC99 02015A 3903 000042 6902 000288 JC46 00257A JC46 00313A JC68 00690A JC68 01584A ...

Page 18: ...Product Specifications Samsung Electronics Service Manual 2 7 2 3 Model Comparison Table ...

Page 19: ...em Overview Samsung Electronics Service Manual 3 1 3 3 3 System Overview This chapter describes the functions and operating principles of the main components 3 1 System Structure 3 1 1 Main Parts of System ...

Page 20: ...stat Critical Temperature Detecting Device ITB Intermediate Transfer Belt 1st Transfer Roller The life span Print over 100 000 Images The ITB unit includes 1st Transfer Roller OPC Organic Photo Conductor Developer The life span Print over 44 000 Images Both Imagine Unit consists of 4 kinds of Developer OPC and Deve Main Frame Toner Kits The life span Color Initial 700 Sales 1 000 images ISO 19752 ...

Page 21: ...P 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 22: ...ivity 10 5 ohm cm Applied voltage 1 1kV Charge acceptance 520V OPC coating thickness 21um OPC diameter 60mm Non 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 ...

Page 23: ...e 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 bottle to de...

Page 24: ...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 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 ...

Page 25: ...escription 3 2 1 Main Controller PBA CN4 CN10 CN2 CN7 CN28 CN20 CN24 CN25 CN19 USB RJ45 CN8 CN20 CN24 CN16 CN19 CN15 CN13 CN5 DEVE_ HOME DEV_ SOL ITB_ CLUTCH PANEL SMPS COVER OPEN HVPS 5V SWITCH LSU DEVE ITB REG EMPTY REGI CLUTCH PICKUP BLDC T2_ CLUTCH FUSER FUSER CLUTCH ...

Page 26: ... Main Control SoC USB Connector RJ45 SDRAM Network Physical Chip EEPROM 64Kbit Flash Memory OSC5 12MHz OSC2 12MHz OSC6 12MHz OSC4 25MHz USB2 0 Device CHORUSm Main Control SoC USB Connector RJ45 SDRAM Network Physical Chip EEPROM 64Kbit Flash Memory OSC5 12MHz OSC2 12MHz OSC6 12MHz OSC4 25MHz ...

Page 27: ...ne 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 Address ...

Page 28: ...0dpi 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 operation GEU Con...

Page 29: ...System Overview Samsung Electronics Service Manual 3 11 CHORUSm Internal Block Diagram ...

Page 30: ...al layer chip outside and thus receives print job from host STE100P is used for physi cal 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 16k...

Page 31: ...2 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 temperature ...

Page 32: ... and AC Heat Control part which supplies power to Fuser Standard TYPE III 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 33: ...age Power Supply PBA HVPS PBA generates high voltage of charger supply T1 and T2 which is supplied to Developer ensuring optimum con dition for image formation HVPS receives input of 24V and generates high voltage supplying it to Toner OPC Cartridge ITB Unit and Transfer Roller ...

Page 34: ...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 toner...

Page 35: ... 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 Operating Are...

Page 36: ...Samsung Electronics Service Manual System Overview 3 18 CRUM Position Cap Agitator Washer Bottle Agitator Seal CRUM Coupling Cap CRUM ...

Page 37: ...ld smallest and lightest color laser printer This model has 16ppm B W print speed and 4ppm color print speed 2400 x 600 dpi class optical 600 x 600 dpi color laser printer 3 4 1 Controller The video controller board is located on the right side of the printer Basic Memory is 32 Mbytes SDRAM Field F W upgradeable FLASH ROM firmware for controller 1024 byte EEPROM Printing Resolution Native 600 x 60...

Page 38: ...ll be recommended as follows Average A4 letter sized page count based on ISO 19752 Standard coverage of individual colors on each page Usage conditions and print patterns may cause results to vary Image counts based on one color on each page If you print documents in full color Cyan Magenta Yellow Black the life of this item will be reduced by 25 Item s Pages Printed Part number Remark Black toner...

Page 39: ... specified life point and hard stop point on toner not on IBT unit and also store the cur rent life count pages count pixels count images count and of usage gas gauge data 3 4 12 LOW OUT Behavior for consumables The consumable low and out behavior on CLP 300 Series engine is specified by SEC FP Device for life end Law 90 Life 100 Hard stop Reset to 0 message detection Toner CRUM Yes Yes Yes 115 No...

Page 40: ...ndows 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 th...

Page 41: ...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 Status M...

Page 42: ...r 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 SMPS Fan PWM Auto color registration sensor LPEC2 ACR module LSU ADC ACR data H Sync LSU temperat ure sensor ADC 4 6 S...

Page 43: ...de Printer Jam In Exit Area 4 Cover Cover Open Message toggles between Cover Open and Install Transfer Belt SCF Cove Open 5 Service Call Unrecoverable Error Engine LSU Error Main Motor Error Dev Motor Error Engine Fuser Over Low Heat Error Rear Fan Error Left Fan Error SMPS Fan Error 6 Others Memory Overflow Error Ready IP Conflict Toner C M Y K Transfer Belt Fuser Pickup Rollers MP Tray1 Tray2 90...

Page 44: ...on 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 4 10 FW Upgrade Via USB or Network SWS SWAS You can upgrade F W via USB or Network whenever the printer is Ready Via Using F W Do...

Page 45: ...Samsung Electronics Service Manual S W Structure and Descriptions 4 6 4 11 Initailize Flow ...

Page 46: ...S W Structure and Descriptions Samsung Electronics Service Manual 4 7 ...

Page 47: ...LSU Unit page 5 5 2 Disassemble of ITB Unit page 5 5 3 Custody of OPC Unit page 5 5 4 Custody of Toner Cartridge page 5 5 5 Disassemble of DEVE Drive Ass y and Main Drive Ass y page 5 5 6 Disassemble of Terminal Parts page 5 5 7 Disassemble of Fuser Unit page 5 5 5 3 2 Screws Used in the Printer page 5 6 5 3 3 Opening Covers and replacing Consumable parts page 5 10 Consumable parts removal page 5 ...

Page 48: ...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 49: ...d Part number Black toner cartridge Approx 1 500 pages CLP K300A Color toner cartridge Approx 700 pages CLP C300A Cyan 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 ISO 19752 Standard image Pick up roller Approx 50 000 pages Contact a service Fuse...

Page 50: ... 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 51: ...e 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 disassembled alignment would not be maintained and this could cause operational noise and image problems image alignment and toner distribution may be affected 5 ...

Page 52: ...used in the printer The screws listed in the table below are used in this printer Please ensure that when you disassemble the printer you keep a note of which screw is used for which part and that when reassembling the printer the correct screws are used in the appropriate places ...

Page 53: ...Disassembly and Reassembly Samsung Electronics Service Manual 5 7 ...

Page 54: ...Samsung Electronics Service Manual Disassembly and Reassembly 5 8 ...

Page 55: ...Disassembly and Reassembly Samsung Electronics Service Manual 5 9 ...

Page 56: ... the ITB Unit 1 Pull out the unit toward out side of printer slightly 2 Lift up the unit gently 3 Pull out the unit gently 3 Unscrew 2 screws on the Top Cover and then remove the Top Cover 4 Unscrew 1 screw on the Right Cover and then remove the Right Cover after open the Rear Cover 5 4 Disassembly Procedure 5 4 1 Cover Unit ...

Page 57: ...Samsung Electronics Service Manual 5 11 5 Remove the Left Cover 1 Unscrew 4 screws on the Fuser after open the Rear Cover 2 Push the Holder Shaft Fuser as shown in Picture 3 Take out the Fuser Ass y from Printer 5 4 2 Fuser Ass y ...

Page 58: ...wn in Picture and then take out 3 Remove 4 screws and then take out the LSU 5 4 3 LSU Laser Scan Unit 1 Follow step 1 through step 5 in Cover Unit Disassembly except removing Righ Cover 2 Unscrew 6 screws and then take out the HVPS Be careful of taking out the HVPS because there are 7 High Voltage Terminal behind HVPS 5 4 4 HVPS High Voltage Power Supply ...

Page 59: ...it Disassembly 2 Unscrew 5 screws and then take out the Main Board after plug out all the Harness 5 4 5 Main Board 1 Follow step 1 through step 4 in Cover Unit Disassembly 2 Remove the Main Board 3 Unscrew 2 screws and then take out the SMPS after plug out all the Harness 5 4 6 SMPS Switching Mode Power Supply ...

Page 60: ...hrough step 4 in Cover Unit Disassembly 2 Remove the Main Board 3 Remove the SMPS 4 Unscrew 8 screws and then take out the Drive Ass y 5 4 7 Drive Ass y 1 Open Rear Cover 2 Pull back the hook which holds the Roller like below picture and remove the Transfer Roller 5 4 8 Transfer Roller ...

Page 61: ... LEDs The User Interface module handles the processing of the Key Press and Led control at different states of the machine 6 1 2 Architecture KEY 2 key Stop key Black only key LED 6 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 1 LED for Black only If Black only key is pressed Black only led glows 6 1 3 Data a...

Page 62: ...tection event to panel task 3 KEY input process Stop key input process 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 ...

Page 63: ...of the printer in idle mode In error mode the status LED glows by red color 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 Black only LED indicate the printer mode If the users press the Blac...

Page 64: ...Cyan toner needs to change N A N A Toner low magenta ON Magenta toner needs to change N A N A Toner low yellow ON Yellow toner needs to change N A ON N A Black only key is pressed 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 Black only LED blink a time interval of 1 second No Heat E...

Page 65: ... low 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 LE...

Page 66: ... again 6 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 the con...

Page 67: ... 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: ...e 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 tray ...

Page 69: ...ter 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 6 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 page In...

Page 70: ...Samsung Electronics Service Manual Alignment and Adjustmens 6 10 ...

Page 71: ...Samsung Electronics Alignment and Adjustmens Samsung Electronics Service Manual 6 11 ...

Page 72: ...oller 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 86 6...

Page 73: ... check the CLP 300 Series 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 6 6 2 Keys Key Discription Exit Close...

Page 74: ...r Level is pushed M Toner Off message will 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 Upp...

Page 75: ... 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 PTL When select key is pushed PTL On message will be displayed If not PTL Off message will be Fuser When select key is push...

Page 76: ...d 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 ...

Page 77: ... the waste toner box Paper Jam Paper Jam at the tray1 Paper is not 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 Tra...

Page 78: ...peed Hsync is not detected LSU or Main board must be 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 Dev Home error Home of Development is not checked or checked at the abnormal t...

Page 79: ...rar 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 problem...

Page 80: ...efore 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 6 2 2 LED Function END No Power Power Module error Main PBA LED Panel ON ...

Page 81: ...r 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 Common Mac...

Page 82: ...Troubleshooting Samsung Electronics Service Manual 7 3 7 3 Solving General Printing Problems For problems with the operation of your printer refer to the table for suggested solutions ...

Page 83: ...Samsung Electronics Service Manual Troubleshooting 7 4 ...

Page 84: ...Troubleshooting Samsung Electronics Service Manual 7 5 ...

Page 85: ...Samsung Electronics Service Manual Troubleshooting 7 6 ...

Page 86: ... moist or too rough AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Dropouts If generally rounded faded areas occur randomly on the page A single sheet of paper may be defective Try reprinting the job The moisture content of the paper is uneven or the paper has moist spots on its sur face Try a different brand of paper The paper lot is bad The manufacturing process can cause some areas to reject toner Try a di...

Page 87: ...e defects occur on the back of the page the problem will likely correct itself after a few more pages The fusing assembly may be damaged Contact a service representative AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Background scatter Background scatter results from bits of toner distributed on the printed page The paper may be too damp Try printing with a different batch of paper Do not open packages of pap...

Page 88: ...ity can cause paper curl Turn the stack of paper over in the tray Also try rotating the paper 180 in the tray Wrinkles or creases Ensure that the paper is loaded properly Check the paper type and quality Turn the stack of paper over in the paper tray Also try rotating the paper 180 in the tray Back of printouts aredirty Check for leaking toner Clean the inside of the printer Solid Color or Black p...

Page 89: ... paper Remove the paper and turn it over The paper may not meet paper specifications A Horizontal stripes If horizontally aligned color or black streaks or smears appear A toner cartridge may be installed improperly Remove the toner cartridge and reinsert A toner cartridge may be defective Install a new toner cartridge If the problem persists the printer may require repair Contact a service repres...

Page 90: ... 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 printing has been completed check the connection and or whether an error has occurred NOTE Refer to the Microsoft Windows 98 Me NT 4 0 2000 2003 XP User s Guide that cam...

Page 91: ...ms to the Adobe Document Structing Conventions Problems may arise when using N up and other features that rely on post processing if the document being printed isn t compliant I am using BSD lpr Slackware Debian older distributions and some options chosen in 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 pri...

Page 92: ... you to specify the IP address of SMB printers so you will have to be able to browse the resource with SAMBA in order to be able to print Some 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 CU...

Page 93: ... interactively and see if you get error messages However since the application is probably at fault contact your software ven dor to inform them of the issue Problem Possible Cause and Solution 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 co...

Page 94: ...Troubleshooting Samsung Electronics Service Manual 7 15 7 8 Major Problems Trouble shooting 7 8 1 Vertical Line and Band 7 8 2 Vertical White Line ...

Page 95: ...Samsung Electronics Service Manual Troubleshooting 7 16 7 8 3 Light Image 7 8 4 Dark Image or black ...

Page 96: ...Troubleshooting Samsung Electronics Service Manual 7 17 7 8 5 Background 7 8 6 JAM 0 ...

Page 97: ...Samsung Electronics Service Manual Troubleshooting 7 18 7 8 7 JAM 1 7 8 8 Multi Feeding 7 8 9 Not function of the gear of the fuser due to melting away ...

Page 98: ...Troubleshooting Samsung Electronics Service Manual 7 19 7 8 10 Paper Empty 7 8 11 Cover Open 7 8 12 Defective motor operation ...

Page 99: ...Samsung Electronics Service Manual Troubleshooting 7 20 7 8 13 No Power 7 8 14 Vertical Line Getting Curved 7 8 15 LSU Error ...

Page 100: ... Consumables black toner cartridge Initial 15K Sales 2K color toner cartridge Initial 0 7K Sales 1K Waste toner box Paper Handling 150 sheets Semi cassette 1 sheet manual slot 150 sheet Face Down 8 1 Main 8 2 8 2 Top Cover 8 5 8 3 Rear Cover 8 7 8 3 2 Rear Cover Transfer Unit 8 9 8 4 Front Cover 8 11 8 5 Main Driver 8 12 8 6 Main Frame 8 16 8 7 LSU Cover 8 20 8 8 Fuser Unit 8 22 8 9 ELA UNIT OPC D...

Page 101: ...Samsung Electronics Service Manual Exploded Views Parts List 8 2 8 1 Main 0 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 6 29 1 29 2 29 30 1 30 2 30 ...

Page 102: ...A UNIT COVER REAR 1 SA 8 1 16 JC97 02659A MEA UNIT COVER FRONT 1 SA 8 1 17 JC63 00845A COVER M RIGHT SIDE 1 SA CLP 300N 8 1 18 JC63 00863A SHIELD P MAIN LOWER 1 SNA 8 1 19 SMPS ASS Y TYPE2 1 SNA 8 1 19 1 JC44 00095A SMPS PSP_TYPE2_V1 1 SA 110V 8 1 19 1 JC44 00096A SMPS PSP_TYPE2_V2C 1 SA 220V 8 1 19 2 JC63 01259A SHIELD SMPS 1 SNA 8 1 19 SMPS ASS Y TYPE3 1 SA 8 1 19 1 JC44 00097A SMPS PSP_TYPE3_V1...

Page 103: ...nual Exploded Views Parts List 8 4 8 1 30 2 JC70 00050A IPR TERMINAL 1 SNA JC67 00160A CAP NETWORK 1 SNA BOX P MAIN 1 SA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE SNA SERVICE not AVAILABLE Main Parts List ...

Page 104: ...Exploded Views Parts List Samsung Electronics Service Manual 8 5 8 2 Top Cover 0 3 8 9 10 11 7 2 1 4 6 5 12 ...

Page 105: ...R 1 SNA 8 2 4 JC64 00211A KEY M OP1 1 SA 8 2 5 JC63 00860A COVER M LED 1 SNA 8 2 6 6107 001169 SPRING CS 1 SA 8 2 7 JC72 01343A PMO SUB_M_STACKER 1 SA 8 2 8 JC61 01761A HOLDER LEVER BLOCKING 1 SNA 8 2 9 JC66 01297A LEVER MID BLOCKING 1 SNA 8 2 10 JC66 01296A LEVER BLOCKING 1 SNA 8 2 11 6044 000001 RING CS 1 SNA 8 2 12 6002 000440 SCREW TAPPING 2 SNA Drawer SEC_Code Description QT y Service Remark ...

Page 106: ...Exploded Views Parts List Samsung Electronics Service Manual 8 7 8 3 Rear Cover 0 2 7 1 5 4 9 9 8 3 6 8 10 ...

Page 107: ...6 01089A SHAFT P LOCKBAR REAR 1 SNA 8 3 4 JC61 01461A HOLDER M HOOK REAR R 1 SNA 8 3 5 JC61 01456A HOLDER M HOOK REAR L 1 SNA 8 3 6 JC61 01462A HOLDER M HOOK REAR C 1 SNA 8 3 7 JC66 01071A LEVER M REAR LOCK 1 SNA 8 3 8 6107 001268 SPRING TS 2 SA 8 3 9 6002 000440 SCREW TAPPING 2 SNA 8 3 10 JC96 03990A ELA UNIT TRANSFER 1 SA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE SNA S...

Page 108: ...Exploded Views Parts List Samsung Electronics Service Manual 8 9 8 3 2 Rear Cover Transfer Unit 19 20 1 14 21 14 8 17 13 16 S1 15 15 13 18 10 9 12 2 4 6 6 11 5 3 7 5 3 2 A 0 ...

Page 109: ... GROUND 1 SNA 8 3 2 9 JC61 01468A GUIDE P T2 OUTPUT 1 SNA 8 3 2 10 JC61 01470A GUIDE P T2 INPUT 1 SNA 8 3 2 11 JC61 01543A BUSH CHARGE LEFT 1 SNA 8 3 2 12 JC66 01072A SHAFT LOCATE 1 SNA 8 3 2 13 6107 001290 SPRING CS 2 SA 8 3 2 14 6107 001278 SPRING CS 3 SA 8 3 2 16 JC39 00036A CBF HARNESS OPE GND 1 SA 8 3 2 17 JC70 10232A IPR PLATE SAW 1 SA 8 3 2 18 JC66 01104A ROLLER TRANSFER 1 SNA 8 3 2 19 JC61...

Page 110: ...1 8 4 Front Cover 0 2 1 Front Cover Parts List 8 4 0 JC97 02659A MEA UNIT COVER FRONT 1 SA 8 4 1 JC63 00841A COVER M FRONT 1 SNA 8 4 2 JC68 01678A LABEL INSTRUCTION 1 SNA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE SNA SERVICE not AVAILABLE ...

Page 111: ...msung Electronics Service Manual Exploded Views Parts List 8 12 8 5 Main Driver 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 112: ...Exploded Views Parts List Samsung Electronics Service Manual 8 13 Main Driver Continued 0 42 52 49 23 41 40 39 38 28 43 47 48 46 50 49 44 45 49 42 40 28 28 ...

Page 113: ...G ITB 1 SNA 8 5 17 JC66 01051A GEAR RDCN DEVE 1 SA 8 5 18 JC66 01055A GEAR RDCN P_PATH 1 SA 8 5 19 JC66 01050A GEAR PICK UP DRIVE 1 SA 8 5 20 JC66 01044A GEAR FUSER DRIVE 1 1 SA 8 5 21 JC66 01053A GEAR RDCN EXIT 1 SA 8 5 22 JC66 01043A GEAR DEVE DRIVE 4 SA 8 5 23 6031 000019 WASHER PLAIN 1 SA 8 5 24 JC66 00771A GEAR _M_IDLE PICKUP 1 SA 8 5 25 JC61 01459A BRACKET M DRIVE FRONT 1 SNA 8 5 26 JC66 010...

Page 114: ... CLUTCH DEV 1 SA 8 5 45 JC66 01066A SHAFT M DEVE CAM 1 SA 8 5 46 JC92 01720A PBA SUB DEVE_HOME 1 SA 8 5 47 JC61 01453A HOLDER M LINK BLACK 1 SA 8 5 48 JC66 01097A LINK M PUSH BLACK CAP 1 SA 8 5 49 JC61 00699A BUSH D6 L4 3 SA 8 5 50 6502 000132 CABLE CLAMP 1 SA 8 5 52 JC68 10914D LABEL P SERIAL NO 1 SNA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE SNA SERVICE not AVAILABLE ...

Page 115: ...Samsung Electronics Service Manual Exploded Views Parts List 8 16 8 6 Main Frame 0 22 23 24 25 26 28 27 19 17 35 34 84 33 29 32 1 2 3 4 5 3 2 7 8 8 11 13 14 9 12 10 11 15 17 16 8 18 20 S1 S1 83 S1 ...

Page 116: ...7 67 1 67 2 67 3 67 4 67 5 67 2 68 68 1 68 2 68 3 68 5 68 4 69 45 46 47 48 49 60 61 62 63 64 65 63 66 66 36 37 38 39 40 41 42 43 43 42 44 44 70 71 72 73 73 76 77 78 79 79 1 79 2 11 80 8 6 A Exploded Views Parts List Main Frame Continued Samsung Electronics Service Manual 8 17 ...

Page 117: ...9 00302A CBF HARNESS 100M_GND 1 SA 8 6 22 JC96 04021A ELA HOU REGI_EMP_MP 1 SA 8 6 23 JB61 00076A SPRING ETC TORSION DOC CC2 F 1 SA 8 6 24 JC66 01119A LEVER M ACTUATOR EMPTY 1 SA 8 6 25 JC61 01481A HOLDER M ACTUATOR EMPTY 1 SNA 8 6 26 JC61 00018A SPRING ETC SENSOR 1 SNA 8 6 27 JC66 01133A LEVER M ACTUATOR FEED 1 SNA 8 6 28 JC61 01480A HOLDER M ACTUATOR FEED 1 SNA 8 6 29 JC61 01546A SPRING ETC OPC ...

Page 118: ...699A BUSH D6 L4 2 SA 8 6 64 JC66 01307A ROLLER REGI 1 SNA 8 6 65 6044 000125 RING E 2 SA 8 6 66 JC61 01570A GUIDE M PAPER 2 SNA 8 6 67 JC97 02647A MEA UNIT PICKUP ROLL 1 SA 8 6 67 1 JC66 01080A SHAFT P PICKUP 1 SNA 8 6 67 2 JC66 01105A CAM M PICK UP 2 SNA 8 6 67 3 JC61 01151A HOUSING M PICK_U 1 SA 8 6 67 4 JC61 01173A HOUSING M PICK_UP B 1 SA 8 6 67 5 JC73 00211A RUBBER PICK_UP 1 SA 8 6 68 1 JC61 ...

Page 119: ...Samsung Electronics Service Manual Exploded Views Parts List 8 20 8 7 LSU Cover 0 5 4 4 2 1 6 3 ...

Page 120: ...Service Remark SA SERVICE AVAILABLE SNA SERVICE not AVAILABLE 8 7 0 JC97 02656A MEA UNIT COVER LSU 1 SA 8 7 1 JC67 00168A BRUSH LSU 1 SNA 8 7 2 JC64 00267A SHUTTER LSU 1 SNA 8 7 3 JC63 00839A COVER M LSU 1 SNA 8 7 4 6107 001169 SPRING CS 2 SNA 8 7 5 JC63 01093A SHEET LSU FRONT 1 SNA 8 7 6 JC62 00338A SEAL COVER LSU 1 SNA ...

Page 121: ...Samsung Electronics Service Manual Exploded Views Parts List 8 22 8 8 Fuser Unit 0 15 38 33 32 40 34 17 2 18 14 10 16 22 19 20 21 39 9 8 13 11 3 28 36 4 5 12 35 43 6 31 30 1 29 26 27 7 40 41 37 23 ...

Page 122: ...L 1 SNA 8 8 19 JC68 00407A LABEL R HV FUSER 1 SNA 220V 8 8 19 JC68 00408A LABEL R LV FUSER 1 SNA 110V 8 8 20 JC68 01584A LABEL P BLANK 90 25 1 SNA 8 8 21 JC68 01581A LABEL P CAUTION HOT 2 SNA 8 8 22 6107 001169 SPRING CS 2 SNA 8 8 23 6107 001169 SPRING CS 2 SA 8 8 24 JC39 00500A CBF HARNESS FUSE_LINK1 2 SA 8 8 25 JC39 00501A CBF HARNESS FUSE_LINK2 1 SA 8 8 27 6003 000152 SCREW TAPTITE 5 SNA 8 8 28...

Page 123: ...al Exploded Views Parts List 8 24 Fuser Unit Parts List 8 8 42 JC61 01685A SPRING ETC DUMMY 1 SA 8 8 43 JC61 01679A SPRING ETC GROUND 1 SA Drawer SEC_Code Description QT y Service Remark SA SERVICE AVAILABLE SNA SERVICE not AVAILABLE ...

Page 124: ...Exploded Views Parts List Samsung Electronics Service Manual 8 25 8 9 ELA UNIT OPC DEV 0 3 2 10 9 11 6 16 2 15 13 14 12 5 ...

Page 125: ...9A CAP DEVE 4 SA 8 9 7 JC68 01898A LABEL INFORMATION 1 SNA 8 9 8 JC68 10914D LABEL P SERIAL NO 1 SNA 8 9 9 JC69 01013A CUSHION DEVE 1 SNA 8 9 10 JC96 03911F ELA UNIT DEV MAIN SET 1 SNA 8 9 11 JC97 02571C MEA UNIT OPC SET 1 SNA 8 9 12 JC97 02613A MEA UNIT DEV Y 1 SA 8 9 13 JC97 02614A MEA UNIT DEV M 1 SA 8 9 14 JC97 02615A MEA UNIT DEV C 1 SA 8 9 15 JC97 02616A MEA UNIT DEV K 1 SA 8 9 16 JC97 02619...

Page 126: ... 58 27 12 46 33 44 55 42 25 15 41 54 62 45 40 60 4 3 66 48 6 67 17 20 24 59 4 43 3 53 3 22 1 3 11 29 37 39 36 13 56 21 47 3 5 36 30 51 49 37 32 50 2 35 3 63 38 34 2 29 65 52 31 64 19 Exploded Views Parts List 8 10 ITB Unit Samsung Electronics Service Manual 8 27 ...

Page 127: ... BUSH M DRIVE ITB 1 SNA 8 10 23 JC61 01540A BUSH M ITB 1 SNA 8 10 24 JC61 01541A BUSH M TR ITB 2 SNA 8 10 25 JC61 01542A BUSH M IDLER WASTE BELT 1 SNA 8 10 26 JC61 01543A BUSH CHARGE LEFT 1 SNA 8 10 27 JC61 01701A SPRING ETC SHUTTER 1 SNA 8 10 28 JC61 01704A SPRING ETC GROUND ITB 1 SNA 8 10 29 JC61 01777A HOLDER BLADE ITB 2 SNA 8 10 30 JC62 00210A SEAL AUGER OPC 1 SNA 8 10 31 JC62 00212A SEAL BELT...

Page 128: ...10 53 JC66 01082A ARM M BLADE ITB 1 SNA 8 10 54 JC66 01083A SHAFT M BELT WASTE 1 SNA 8 10 55 JC66 01085A SHAFT M AUGER ITB 1 SNA 8 10 56 JC66 01087A GEAR AUGER ITB 1 SNA 8 10 57 JC66 01131A ROLLER T1 1 SNA 8 10 58 JC66 01112A DRUM ITB BELT 1 SNA 8 10 59 JC67 00027A LENS PTL 1 SA 8 10 60 JC68 10914D LABEL P SERIAL NO 1 SNA 8 10 61 JC72 40332A PMO BUSHING_CHARGE 1 SNA 8 10 62 JC73 00222A RUBBER BELT...

Page 129: ...Samsung Electronics Service Manual Exploded Views Parts List 8 30 8 11 Casstte Unit 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 130: ...1 01530A FRAME M SEMI CASSETTE 1 SNA 8 11 9 JC70 00516A ADJUST M CASSETTE R 1 SA 8 11 10 JC70 00517A ADJUST M CASSETTE L 1 SA 8 11 11 JG66 40003A GEAR PINION 1 SA 8 11 12 JC68 01680A LABEL INSTRUCTION 1 SNA 8 11 13 JC68 01679A LABEL INSTRUCTION 1 SNA 8 11 14 6107 001240 SPRING CS 2 SNA 8 11 15 JC64 00223A LOCKER M KNOCK UP L 1 SA 8 11 16 JC64 00222A LOCKER M KNOCK UP R 1 SA 8 11 17 JG61 70531A SPR...

Page 131: ...N REGI_CLT PICK UP HOME 16 P 3P 3P 4P 22P P_EMPTY E Coil Thermos tat DAA GDI PANEL SW BA T SCF MP_EMPTY USB RJ 45 SCAN CCD HOME 2P 2P ITB_CLT PICK UP_CLT 3P 8P 24P 2P 3P 3P 3P 3P 6P 2P 3 P 4P 2P 6P 1P 1 P 5P 3P 2P CHA RGER 1EA T1 1EA T2 1EA Bi as AC 1EA DC 1EA RELAY RELAY RELAY RELAY Bi as Y Bi as M Bi as C Bi as K Deve Cr um MC34C 0 2 IT B HOME Senso r Y CRUM M CRUM C CRUM K CRUM CON SUPPLY Y M C...

Page 132: ...AC 1ea DC 1ea RELAY RELAY RELAY RELAY TEMP2 SE NSOR TEMP1 SENSOR D E V _ S O L T 2 _ C L T I T B _ C L T C O V E R S W L S U R E G I _ C L T MA MAIN SR A M 64K B EEPROM 32K bit N W STE100P SD 31 0 SA 12 0 BA0 1 nSCS0 1 SDRAM SDRAM 32MB nRAS nCAS nWE DQM CKE SDCLK0 1 ADDR 13 2 ADDR 22 2 ADDR 9 2 nRD n WR nCS DATA 31 16 DATA 31 0 DATA 31 16 nRD nWR nCS nRD nWR nCS 6MHz 12MHz Flash 2M B USB2 0 Dev US...

Page 133: ...leshooting 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 d...

Page 134: ...amic 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 ...

Page 135: ...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 136: ...nough 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 137: ...Reference Information Samsung Electronics Service Manual 12 5 12 4 A4 ISO 19752 Standard Pattern This test page is reproduced at 70 of the normal A4 size ...

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