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Alignment & Troubleshooting

Service Manual

4-7

Samsung Electronics

4.1.4 Tech Mode

In service (tech) mode, the technician can check the machine and perform various test to isolate the cause of

a malfunction. While in Tech mode, the machine still performs all normal operations.

To enter the Tech Mode

To enter the Tech Mode, press

“Menu + Back + Left + Right + OK + Stop + Menu”

in sequence, and the

LCD briefly displays ‘Tech Mode’, the machine has entered service tech mode.

After entering the tech mode, select the item you want by using a button on control panel.

Below picture shows to select the fuser counter reset.

◀

Tech Mode

▶

Tech Mode

◀

Tech Mode

▶

Tech Mode

◀

Data Setup

▶

Tech Mode

◀

Data Setup

▶

Tech Mode

◀

Fuser

▶

Counter Reset

◀

Fuser

▶

Counter Reset

[ Counter Reset ]

Data Setup

[ Counter Reset ]

Data Setup

Содержание CLP-670N

Страница 1: ...n up to 9600x600 dpi effective output Toner cartridge Initial 2 5K 2K black color Sales 2 5K 2K black color 5K 4K black color Paper handling Max 850 sheets paper capacity 250 sheets cassette 500 sheets option cassette MP tray 100 sheets Memory CLP 620 series 256 MB Max 512 MB CLP 670 series 256 MB Max 784 MB Network USB 2 0 2 Line LCD The keynote of Product ...

Страница 2: ... 0620 N0000E 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 ...

Страница 3: ...nsumables 2 9 2 2 7 Maintenance parts 2 10 2 2 8 Option 2 10 2 3 Model Comparison Table 2 11 2 4 Product Configuration 2 12 2 4 1 Printer external 2 12 2 4 2 Main PBA 2 16 2 4 3 SMPS Board 2 22 2 4 4 HVPS Board 2 24 2 4 5 Fuser Drive Board 2 26 2 4 6 OPE Board 2 27 2 4 7 Feeding Section 2 28 2 4 8 LSU 2 29 2 4 9 Fuser Unit 2 30 2 4 10 PTB Paper Transfer Belt Unit 2 31 2 4 11 Motors 2 31 2 4 12 Sen...

Страница 4: ... 5 Main PBA 3 11 3 3 6 SMPS Board 3 11 3 3 7 Fuser Control Board 3 12 3 3 8 LSU 3 12 3 3 9 SOLENOID 3 13 3 3 10 Drive Exit Bracket 3 14 3 3 11 Drive Fuser Bracket 3 15 4 1 Alignment and Adjustments 4 1 4 1 1 Control Panel 4 1 4 1 2 Understanding The Status LED 4 2 4 1 3 Menu Overview 4 3 4 1 4 Tech Mode 4 7 4 1 5 Firmware Upgrade 4 16 4 2 Troubleshooting 4 22 4 2 1 Procedure of Checking the Sympto...

Страница 5: ... Block Diagram 5 1 5 2 Main PBA 20ppm Block Diagram 5 2 5 3 OPE PANEL Block Diagram 5 3 5 4 Connection Diagram 5 4 6 1 Tools for Troubleshooting 6 1 6 2 Acronyms and Abbreviations 6 2 6 3 Select a location for the printer 6 4 6 4 A4 ISO 19752 Standard Pattern 6 5 Contents chapter 6 Reference Information chapter 5 System Diagram attached Parts Catalog ...

Страница 6: ...ctric shock or fire haz ards 3 Laser Safety Statement The Printer is certified in the U S to conform to the requirements of DHHS 21 CFR chapter 1 Subchapter J for Class 1 1 laser products and elsewhere it is certified as a Class I laser product con forming to the requirements of IEC 825 Class I laser products are not considered to be hazardous The laser system and printer are designed so there is ...

Страница 7: ...r removing the power connector The power connector must be inserted completely add comma otherwise a poor contact could cause overheating possibly leading to a fire When removing the power connector grip it firmly and pull ensure the power switch is turned off first 7 Take care of the power cable Do not allow it to become twisted bent sharply round corners or other wise damaged Do not place object...

Страница 8: ...arry 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 or network card 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 spar...

Страница 9: ...printer The equipment weighs approximately 27 Kg including consumables therefore pay attention when handling it Be sure not to hold the movable parts or units e g the control panel DADF when transporting the equipment Be sure to use a dedicated outlet with 110V 220Vpower input The equipment must be grounded for safety Select a suitable place for installation Avoid excessive heat high humidity dust...

Страница 10: ...oam to prevent electrostatic charge buildup in the vicinity of the assembly 3 Use only a grounded tip soldering iron to solder or desolder ESDs 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESDs 5 Do not use Freon propelled chemicals When sprayed these can generate electrical charges su...

Страница 11: ...Color 24 ppm A4 Resolution up to 9600x600 dpi effective output Toner cartridge Initial 2 5K 2K black color Sales 2 5K 2K black color 5K 4K black color Paper handling Max 850 sheets paper capacity 250 sheets cassette 500 sheets option cassette MP tray 100 sheets Memory CLP 620 series 256 MB Max 512 MB CLP 670 series 256 MB Max 784 MB Network USB 2 0 2 Line LCD CLP 620ND CLP 670N 670ND ...

Страница 12: ...A4 11 ipm in Letter Color Up to 11 ipm in A4 11 ipm in Letter Warmup time No Warm up Instant Fusing System No Warm up Instant Fusing System FPOT B W From Ready Less than 25 sec Less than 19 5 sec From Coldboot Less than 25 sec Less than 19 5 sec FPOT Color From Ready Less than 25 sec Less than 19 5 sec From Coldboot Less than 25 sec Less than 19 5 sec Resolution Optical Up to 9 600 x 600 dpi effec...

Страница 13: ...entation Server Windows Terminal Services Citrix Presentation Server Windows Terminal Services Default Driver SPL C Mono Only Driver CD included PCL6 Mono Only Driver CD included WHQL Windows 2000 XP 2003 Vista include 64bit Windows 2000 XP 2003 Vista include 64bit Language Localization Korean English French German Italian Spanish Russian Dutch Finish Swedish Norwegian Danish S Chinese Polish Hung...

Страница 14: ... Windows 2000 32 64bit XP 32 64bit 2003 32 64bit Vista 32 64bit 2008 32 64bit MAC 10 3 10 5 Mac OS X 10 3 10 5 and Universial Mac TCP IP Only RedHat Enterprise Linux WS 4 5 32 64bit Fedora Core 2 9 32 64bit Mandriva 2005 2006 2007 2008 32 64bit openSuSE 9 1 9 2 9 3 10 0 10 1 10 2 10 3 11 0 32bit SuSE Linux Enterprise Desktop 9 10 32 64bit Ubuntu 6 04 6 10 7 04 7 10 8 04 32 64bit NetWare 5 x 6 x HP...

Страница 15: ...arancy Glossy 111 130g Glossy 131 175g Glossy 176 220g Media weight 16 58lb 60 to 220g 16 58lb 60 to 220g Sensing Empty sensing No size sensor Empty sensing No size sensor Standard Cassette Tray Capacity 250 sheets 80g 250 sheets 80g Media sizes 105 148mm 4 1 x 5 8 216 x 356mm 8 5 x 14 Custom size 3 86 x 5 83 8 5 x14 0 105 148mm 4 1 x 5 8 216 x 356mm 8 5 x 14 Custom size 3 86 x 5 83 8 5 x14 0 Medi...

Страница 16: ... sheets 80g 250 sheets 80g Output Full sensing N A N A Finishing N A N A Duplex Supporting Std 670N N A 670ND Std Media sizes A4 Letter Legal Oficio Folio A4 Letter Legal Oficio Folio Media types Plain paper Thick Thin Preprinted Color Paper Recycled Plain paper Thick Thin Preprinted Color Paper Recycled Media weight 16 32lb 60 to 120g 16 32lb 60 to 120g ...

Страница 17: ... pages 30 min 30 min None None Total page count color mono Total page count color mono System record y y MPBF MTTR Real time Clock Fuser life Transfer belt life Toner Life CMYK Tray roller life Fuser life Transfer belt life Toner Life CMYK Tray roller life First operation date Not revealed to Users First operation date Not revealed to Users Configuration Sheet Demo Sheet Configuration Sheet Demo S...

Страница 18: ...ackground noise level Input Voltages 110 127 VAC 50 60Hz 110 127 VAC 50 60Hz 220 240 VAC 50 60Hz 220 240 VAC 50 60Hz Power Switch Power Switch Power Consumption Ready Less than 20W Less than 22W AVG Less than 560W Less than 560W Max Peak Less than 1400W Less than 1400W Sleep 8W 8W Dimension W x D x H Set 441 5x431x425mm 17 4x17x16 7inch 441 5x431x425mm 17 4x17x16 7inch Set Packing 611X589X588 611X...

Страница 19: ...tinuous Black Cartridge Yield 2 500 standard pages High Yield Average Continuous Black Cartridge Yield 5 000 standard pages Declared yield value in accordance with ISO IEC 19798 Ships with 2 500 pages Standard Toner Cartridge Yield Color Standard Yield Average Continuous Color C M Y Cartridge Yield 2 000 standard pages High Yield Average Continuous Color C M Y Cartridge Yield 4 000 standard pages ...

Страница 20: ... CLP 620ND CLP 670N 670ND Memory CLP MEM201 128 MB CLP MEM202 256 MB CLP MEM150 128 MB CLP MEM160 256 MB CLP MEM170 512 MB Second Cassette CLP S670A 500 sheets CLP S670A 500 sheets Wireless Network N A N A Tall Stand N A N A Hard Disk N A N A Item CLP 620ND CLP 670N 670ND Paper Transfer Belt Model CLT T508 CLT T508 Yield 50 000 pages 50 000 pages Key Unique Electronic key CRUM Unique Electronic ke...

Страница 21: ...512 256 Max 784 256 Max 784 FPOT Less than 27 seconds Less than 19 5 seconds Less than 19 5 seconds Network Standard Standard Standard Duplex printing Standard Manual Standard Paper Capacity 250 CST 100 MP 250 CST 100 MP 250 CST 100 MP Toner cartridge Standard Black Color 2 5K 2K High Black Color 5K 4K Standard Black Color 2 5K 2K High Black Color 5K 4K Standard Black Color 2 5K 2K High Black Colo...

Страница 22: ...r 2 4 1 Printer external 2 4 1 1 Front view 1 Output tray 2 Output support 3 Paper level indicator 4 Optional tray a 5 Tray 1 6 Multi purpose tray 7 Multi purpose tray handle 8 Front cover handle 9 Front cover 10 Control panel 11 Paper width guides on a multi purpose tray 12 Toner cartridges 13 Paper transfer belt a This is an optional feature ...

Страница 23: ...oduct spec and feature Service Manual 2 13 Samsung Electronics 2 4 1 2 Rear View 1 Control board cover 2 Power receptacle 3 Power switch 4 Handle 5 Optional tray2 cable connector 6 Network port 7 USB port ...

Страница 24: ... 1 LSU 9 Exit Roller 2 Toner cartridge K 10 OPE Unit 3 Toner cartridge C 11 Fuser Unit 4 Toner cartridge M 12 PTB Unit Paper transfer belt 5 Toner cartridge Y 13 Main PBA 6 Cassette SMPS PBA 7 SCF Unit Option cassette FDB Fuser Drive Board PBA 8 Pick up Roller 2 4 1 3 System Layout ...

Страница 25: ...implexPass Duplex Pass Exit Pass MP Feed Cassette Feed SCF1 Feed SimplexPass Duplex Pass Exit Pass MP Feed Cassette Feed SCF1 Feed Cassette Feed SCF1 Feed SimplexPass Duplex Pass Exit Pass MP Feed SimplexPass SimplexPass Duplex Pass Exit Pass MP Feed Duplex Pass Duplex Pass Exit Pass MP Feed Exit Pass MP Feed ...

Страница 26: ...rivers sensors high voltage drivers and other driving units for mechanical parts SPGPV4 for CLP 670ND NO Connector NO Connector NO Connector 1 BLDC DEVE 12pin 11 HVPS2 21 STEP MOTOR reserved 2 BLDC OPC 10pin 12 24V SWITCH 22 C K LSU 20pin 3 PTB 14pin 13 DEBUG 4pin 23 Y M LSU 20pin 4 FAN reserved 3pin 14 PTL 8pin 24 FEED STEP 4pin 5 DEVE CRUM 7pin 15 FAN reserved 3pin 25 FUSER HEAT CONTROL 6pin 6 S...

Страница 27: ...LDC OPC 10pin 12 24V SWITCH 22 C K LSU 20pin 3 PTB 14pin 13 DEBUG 4pin 23 Y M LSU 20pin 4 FAN reserved 3pin 14 PTL 8pin 24 FEED STEP 4pin 5 DEVE CRUM 7pin 15 FAN reserved 3pin 25 FUSER HEAT CONTROL 6pin 6 SENSER TEMP 8pin 16 EXIT STEP 4pin 26 SCF JACK 7 BLDC FUSER 15pin 17 REAR FAN 3pin 27 ETHERNET JACK 8 FUSER THERMISTOR 4pin 18 SMPS TYPE4 24pin 28 USB DEVICE JACK 9 CURL SENSOR reserved 3pin 19 L...

Страница 28: ...Regulator 5V_CTD Relay 24VS2 nRST_LPEC M U X Sensor Humidity Temp Out Temp In LPEC3 ASIC Engine Control DDR SODIMM On board M U X SMPS TYPE4 STAGE3 POWER CORD POWER CORD POWER CORD FUSER Lamp Control Motor OPC BLDC DEVE BLDC FUSER BLDC FEED STEP MOTOR EXIT STEP MOTOR Solenoid Clutch CST Pickup Solenoid DEVE K Clutch Fan Fuser Fan Rear Fan PTB UNIT DEVE CRUM IF PBA CRUM ACR sensor L R DEVE Y UNIT C...

Страница 29: ...elay 24VS2 nRST_LPEC M U X Sensor Humidity Temp Out Temp In Motor LPEC3 ASIC Engine Control DDR SODIMM On board M U X SMPS TYPE4 STAGE3 POWER CORD POWER CORD POWER CORD FUSER Lamp Control Motor OPC BLDC DEVE BLDC FUSER BLDC FEED STEP MOTOR EXIT STEP MOTOR Solenoid Clutch CST Pickup Solenoid DEVE K Clutch Fan Fuser Fan Rear Fan PTB UNIT DEVE CRUM IF PBA CRUM ACR sensor L R DEVE Y UNIT CRUM DEVE M U...

Страница 30: ...SDRAM Size CLP 670ND DDR2 Default 256MB on board Option 256MB 512MB EEPROM Size 512kb Interface With SPGPV4 I2C Controller CRUM Size 256Byte Interface With LPEC3I2C Controller via Deve Crum IF B D I O Interface USB DEVICE High Speed USB 2 0 High speed 480Mbps N W Embedded SPGPV4 With MII Interface Active LED Yellow Link LED Green PWM High Voltage Control With Duty Main Motor Clock I2C Interface NV...

Страница 31: ...Pulse I O SMPS Type 4 stage 3 type 24V For use Mechanical Part Motor Actuator Solenoid Clutch 5V Logic Analog Sensor HVPS MAIN BOARD LPEC3 SMPS Type4 PTB unit 5V 5V_SMPS 24V2 24V1 5VS Cover open Switch relay 24V1 24VS1 24V2 24VS2 5VL 5VLSU 24VS1 24VS2 3 3V_CRUM 3 3V 24V_ENABLE OPC BLDC Fuser BLDC EXIT Step Motor MP solenoid Pickup solenoid Deve K clutch SCF FAN_REAR 24V2 DEV CRUM LSU LD BD FDB FUS...

Страница 32: ... by 5V 24V from 110V 220V power input It has safety protection modes for over current and load Connection 1 INPUT_AC from Fuser Drive Board 2 OUTPUT_5V 24V to Main PBA INPUT_24V_Control from Main PBA SPECIFICATION General Input Output Voltage 1 AC 110V 90V 135V 2 AC 220V 180V 270V 3 Output Power 143 2W Max 200W DC 5V 16W 20W DC 24V 127 2W 180W Varistor 1 2 5V Fuse 24V Fuse Varistor 1 2 5V Fuse 24V...

Страница 33: ...IGN PIN NO Description Power 24V1 1 2 GND 24V Ground Power 24V1 3 4 GND 24V Ground Power 24V1 5 6 GND 24V Ground Power 24V1 7 8 GND 24V Ground Power 24V2 9 10 GND 24V Ground Power 24V2 11 12 GND 24V Ground Power 24V2 13 14 GND 24V Ground Power 5V 15 16 GND 5V Ground Power 5V 17 18 GND 5V Ground Power 5V 19 20 GND 5V Ground Power 5V 21 22 GND 5V Ground Signal Power Save Mode Standby 23 24 Reserved ...

Страница 34: ...as Cover Open switch and some connectors from Ope PBA feed exit cst_empty cst_detect MP_empty sensor MP clutch and Erase Lamp 4EA 1 PANEL 2 EXIT SENSOR 3 24V SWITCH 4 HVPS1 from Main Board 5 HVPS2 from Main Board 6 Feed CST empty sensor 7 MP solenoid MP empty CST detect 8 Fuser bias Connection 1 2 3 4 5 6 7 8 COVER OPEN SWITCH ATTR ERASER DEV SUPPLY CHARGER 1 2 3 4 5 6 7 8 COVER OPEN SWITCH ATTR E...

Страница 35: ...C K AC freq 2 6kHz AC PWM 92 36 AC Vpp PWM 65 25 174 0V Approx 1740V 68pF T_Y 97 38 14uA 90M 1 84V 142 T_M C K 97 38 14uA 90M ATTR_P 108 42 1418V 100M 0 85V 66 ATTR_N on 800 25M Fuser Bias 128 50 418V 100M Eraser on off on off 18mA 3mA Constant current outputs in T1 channels Individual T1 channels for each color AC DC deve high voltage 1Chanel charger output to each 4 color s port All output chann...

Страница 36: ...and supplies AC power to the SMPS Both V1 V2 FDBs provide max 1500W output power Connection 1 INLET AC 2 FUSER CONTROL from Main board 3 FUSER AC to Fuser lamp 4 SMPS AC to SMPS Specification V1 V2 Input Voltage Range AC 110V 90 135V AC 220V 180 270V Input Current 20A 10A Output Power Max 1300W Max 1300W Phase Detect Not support Protection Relay Control Signal 3 4 2 1 Varistor Fuse Photo Triac Tri...

Страница 37: ...ronics 2 4 6 OPE Board The OP PBA controls the 2 Line Character LCD 16characters x 2line unit and communicates with Main PBA through UART The OP PBA includes an 8 Bit Micom HT48C50 and a Power Key OPE Power Key 1 2 1 2 Connection 1 Main IF Harness 2 LCD Module ...

Страница 38: ... A6 2 SCF Second Cassette Feeder 2nd 3rd tray This is the option unit of CLP 620 670 series This additionally stores and automatically feeds printing paper Its function is the same as the Cassette 1st tray This SCF can be installed until Max 1 ea Feeding Method Cassette Type Feeding Capacity Cassette 500 Sheets 80g 20lb Paper Standard Media size Letter Legal Oficio Folio A4 ISO B5 JIS B5 Executive...

Страница 39: ... the controller generate the printing signal LD will turn on and Polygon motor starts If the receiving part in LSU detect the beam Hsync is generated When the rotation of polygon motor is steady it is time of LSU ready status for printing If either of two condition is not satisfied LSU error is expected Trouble Failure Analysis Hsync Error Though the rotation of polygon motor reach stable the sign...

Страница 40: ...ing Non Cotact type Thermostat 2 Heat roller The heat roller transfers the heat from the lamp to apply a heat on the paper The surface of a heat roller is coated with Teflon so toner does not stick to the surface 3 Pressure roller A pressure roller mounted under a heat roller is made of a silicon resin and the surface also is coated with Teflon When a paper passes between a heat roller and a press...

Страница 41: ...d toner images formed on OPC drum are transferred to the printing medium paper by positive bias applied to the transfer roller The toner images transferred to the medium is melted down ad fixed on the medium by fusing system Life Span 50 000 images Declared yield value in accordance with ISO IEC 24712 2 4 11 Motors This product have many motors These motors drive the PTB unit fuser unit feeder uni...

Страница 42: ... position on Fuser Paper Empty Sensor Check Paper empty on a cassette Cassette Detect Check cassette insertion Paper Feed Sensor Check paper position MPF Empty Sensor Check paper empty on MPF Cassette Detect Regi Sensor MPF Empty Sensor Bin Full Sensor Exit Sensor Paper Feed Sensor SCF 1 Paper Empty Sensor Paper Feed Sensor Paper Empty Sensor Cassette Detect Regi Sensor MPF Empty Sensor Bin Full S...

Страница 43: ...1 12 13 13 14 15 16 1 2 3 4 7 5 6 8 9 10 11 12 13 13 14 15 16 1 CASSETTE_DETECT 2 PAPER_EMPTY 3 SENS_FEED 4 SENS_REGI 5 SENS_PAPER_EXIT 6 OUTBIN_FULL 7 MP_EMPTY 8 CLUTCH_FEED 9 SOL__PICKUP 10 SENS_ACR 11 THERMOSTAT 12 CRUM_DEVE_Y M C K 13 CRUM_PTB 14 PAPER_SIZE1 2 3 15 INNER_TEMP 16 SENS_HUMIDITY OUT_TEMP ...

Страница 44: ...y can damage a PBA always used approved anti static precautions when handling or storing a PBA Precautions when moving and storing PBA 1 Please keep PBA in a conductive case anti static bag or wrapped in aluminum foil 2 Do not store a PBA where it is exposed to direct sunlight Precautions when replacing PBA 1 Disconnect power connectors first before disconnecting other cables 2 Do not touch any so...

Страница 45: ...parts will need to be replaced after printing the specified number of pages or when the life span of each item has expired 3 2 1 Fuser Unit 1 Open the Top cover Caution The fuser is very hot So turn the printer off and wait until the printer to cool before replacing it 2 Release the fuser fixer after removing 1 screw 3 Lift the fuser unit up while push the green lever Fuser fixer Fuser fixer Fuser...

Страница 46: ...Disassembly and Reassembly Service Manual 3 3 Samsung Electronics 3 2 2 Pick up roller 1 Remove the Cassette Unit 2 Pull the pick up roller to the direction of arrow Hook Hook ...

Страница 47: ...sassembly 3 3 1 Cover Unit Before disassembling the cover unit remove all toner cartridges 1 Remove 2 screws from the rear 2 Open the front cover And remove 2 screws 3 Remove one hook with any tool 4 Remove 4 hooks from the bottom of both side cover And remove the right left cover ...

Страница 48: ...and Reassembly Service Manual 3 5 Samsung Electronics 5 Release the rear cover after remove 7 screws 6 Remove 6 screws 7 Remove the dummy cover after release the lever 8 Remove 2 screws from both side of top cover ...

Страница 49: ...Disassembly and Reassembly Service Manual 3 6 Samsung Electronics 9 Unplug the 2 connectors Lift up and release the top cover 10 Remove the left right link 11 Remove 4 screws from both side ...

Страница 50: ...Disassembly and Reassembly Service Manual 3 7 Samsung Electronics 12 Remove the Bracket hinge with any tool after remove one screw 13 Remove the Damper hinge 2 EA And release the front cover ...

Страница 51: ...1 Open the Front Cover Remove 2 screws And remove the shaft Caution When reassembling be careful the shaft head direction 2 For the opposite side remove 2 screws and the shaft Caution When reassembling be careful the shaft head direction 3 Remove 6 screws from both side 4 Release the Front cover unit Left Right Left Right Left Right Left Right Left Right Left Right Left Right Left Right ...

Страница 52: ...isassembly and Reassembly Service Manual 3 9 Samsung Electronics 3 3 3 OPE Unit Before disassembling the OPE unit remove the Top cover 1 Remove 2 screws from both side of the top cover 2 Remove 5 screws ...

Страница 53: ...ectronics 3 3 4 HVPS Board Before disassembling the HVPS board remove all cover 1 Unplug the harness from the top bottom of the HVPS Board 2 Remove 8 screws and unlatch 4 hooks Caution When replacing the HVSPS board be careful 16 High voltage terminals on it ...

Страница 54: ...ore disassembling the SMPS board remove the rear cover 1 Unplug the harness from the SMPS board 2 Remove 4 screws and release the SMPS board 3 3 5 Main PBA Before disassembling the Main PBA remove the rear cover 1 Unplug all harness from Main PBA 2 Remove 4 screws and release the Main PBA ...

Страница 55: ...Before disassembling the Fuser control board remove the cover unit 1 Unplug the harness from the Fuser control board 2 Remove 4 screws and release the Fuser control board 3 3 8 LSU 1 To remove the Bracket main Duct remove the 7 screws and release it 2 Remove the 4 screws and remove the LSU Unit ...

Страница 56: ...amsung Electronics 3 3 9 SOLENOID 1 Remove 2 screws and release the CAP PICK UP GEAR 2 Remove the MEA GEAR PICK UP And remove 1 screw 3 Release the SOLENOID PICK_UP CAP PICK UP GEAR MEA GEAR PICK UP CAP PICK UP GEAR MEA GEAR PICK UP MEA GEAR PICK UP ...

Страница 57: ... 3 14 Samsung Electronics 3 3 10 Drive Exit Bracket Before disassembling the drive exit bracket remove the middle cover HVPS board 1 Unplug the harness connecting the motor 2 Remove 3 screws 3 Release the drive exit bracket from the frame assy ...

Страница 58: ...l 3 15 Samsung Electronics 3 3 11 Drive Fuser Bracket Before disassembling the drive exit bracket remove the middle cover 1 Unplug 2 harness connecting the motor and clutch 2 Remove 6 screws Release the drive fuser bracket from the frame assy ...

Страница 59: ...g an operation 2 Toner colors Show the status of each toner cartridge 3 menu Enters menu mode and scrolls through the available menus 4 Back Sends you back to the upper menu level 5 Arrow Scroll through the options available in the selected menu and increase or decrease values 6 OK Confirms the selection on the screen 7 Stop Stops an operation at any time The pop up window appears on the screen sh...

Страница 60: ... in the cartridge The estimated cartridge life a of toner is close Prepare a new cartridge for replacement You may temporarily increase the printing quality by redistributing the toner On A toner cartridge has almost reached its estimated cartridge life a It is recommended to replace the toner cartridge A paper jam has occurred The cover is opened Close the cover There is no paper in the tray Load...

Страница 61: ... This menu contains information pages that you can print to give details about the printer and its configuration Layout This menu allows you to adjust the paper layout setting Paper This menu allows you to select the default paper size default paper type the tray for printing etc Graphic This menu can select the default resolution If the resolution is high the clarity of the printouts is shaper bu...

Страница 62: ... Edge Darken text Screen Draft Normal Best Graphic Graphic Custom Color Default Manual Adjust Auto Color Reg Density Calibration Density Control Color Color Language Power Save Auto Continue Altitude Adj Auto CR Job Timeout Maintenance Clean Fuser CLR Empty Msg Supplies Info Toner Low Alert Clear Settings System Setup System Setup Emulation Type Auto PCL PostScript Setup PCL Typeface Symbol Point ...

Страница 63: ...ddress 192 0 0 192 Subnet Mask Primary DNS 0 0 0 0 Secondary DNS 0 0 0 0 TCP IP IPv6 IPv6 Activate On Off DHCPv6 Config Router DHCPv6 Address DHCPv6 Off Ethernet Speed Auto 10M Half 10M Full 100M Half 100M Full 802 1x Off On EAP MD5 User Name Stef M EAP MSCHAPv2 User Name Stef M PEAP User Name Stef M Clear Setting Clear Clearing Network Info Print Printing ...

Страница 64: ...l number of pages printed Remains Info Displays how much toner remains in the cartridge Cleaning a fuser belt If you are experiencing blurred faded or smeared printouts you can clear the problem by printing a cleaning sheet provided by your printer You can Print 1 Press on the control panel 1 Press on the control panel 2 Press up down arrow to highlight System Setup and press OK 3 Press up down ar...

Страница 65: ...Mode To enter the Tech Mode press Menu Back Left Right OK Stop Menu in sequence and the LCD briefly displays Tech Mode the machine has entered service tech mode After entering the tech mode select the item you want by using a button on control panel Below picture shows to select the fuser counter reset 1 2 3 4 5 6 7 Tech Mode Tech Mode Tech Mode Tech Mode Data Setup Tech Mode Data Setup Tech Mode ...

Страница 66: ...ilies Info Printing Event Log Printing ACR Report Printing Job Duty Report Printing Density Report Printing CTD Report Printing Machine Test Fuser Offset StandBy Temp 20 0 0 5 10 15 20 Run Temp 20 0 0 5 10 15 20 101 185mm Temp 20 0 0 5 10 15 20 186 216mm Temp 20 0 0 5 10 15 20 90 gms Temp 20 0 0 5 10 15 20 Bond Temp 20 0 0 5 10 15 20 OHP Temp 20 0 0 5 10 15 20 Cardstock Temp 20 0 0 5 10 15 20 Env ...

Страница 67: ...k DC Duty 0 15 15 Optical Density decrease Opticla Density increase 106 0000 0000 Deve DC Y Deve DC Yellow 0 25 25 Optical Density decrease Opticla Density increase 106 0010 0010 Deve DC M Deve DC Magenta 0 25 25 Optical Density decrease Opticla Density increase 106 0020 0020 Deve DC C Deve DC Cyan 0 25 25 Optical Density decrease Opticla Density increase 106 0030 0030 Deve DC K Deve DC Black 0 25...

Страница 68: ... 0 25 25 Toner Retransfer Image Delition 107 0040 0040 THV Low Y Transfer1 Low HV Yellow Duty In None Image Area 0 10 10 OPC Damage Voltage overshoot 107 0050 0050 THV Low M Transfer1 Low HV Magenta Duty In None Image Area 0 10 10 OPC Damage Voltage overshoot 107 0060 0060 THV Low C Transfer1 Low HV Cyan Duty In None Image Area 0 10 10 OPC Damage Voltage overshoot 107 0070 0070 THV Low K Transfer1...

Страница 69: ...070 0070 Bond Temp Media type offset for fuser roll temperature 0 10 0 1 Description As value increases fusing temperature goes down in bond paper mode 2 Trouble Hot offset takes place or printed paper is too hot when bond paper is printed Hot offset When Fusing temperture is too high printed image appears again in 95mm cycle 3 Trobleshoot Drop Fusing temperature by increasing value 109 0080 0080 ...

Страница 70: ...e Hot offset takes place or printed paper is too hot when label is printed Hot offset When Fusing temperture is too high printed image appears again in 95mm cycle 3 Trobleshoot Drop Fusing temperature by increasing value 109 0120 0120 Fuser Bias Duty Fuser Bias Duty 0 10 10 1 Description As the digit value increases fuser bias increases 2 Trouble When it is cold and dry printed image of pastel ton...

Страница 71: ... Density increase Opticla Density decrease 110 0070 0070 LD Power K Black LD Power at Normal Speed 0 10 10 Optical Density increase Opticla Density decrease 112 0000 0000 ACR condition All Condition of ACR On Off On On Off On ACR will be executed when environment changes Off ACR will be not executed in spite of environmental changes ACR means Auto Color Registration 112 0115 0115 Fuser Motor Speed...

Страница 72: ...y2 Home Pos Detect when tray2 is closed Closed Opened 102 0080 0080 Tray2 Empty Detect when paper is in tray2 High low 102 0090 0090 Tray2 Size1 Detects whether auto size1 sensor of tray2 is high or low High low 102 0100 0100 Tray2 Size2 Detects whether auto size2 sensor of tray2 is high or low High low 102 0110 0110 Tray2 Size3 Detects whether auto size3 sensor of tray2 is high or low High low 10...

Страница 73: ...fuser Numeric 3 digits 109 0030 0030 Fuser Mot Fwd Fuser Motor Forward On Off On Off 109 0040 0040 Fuser Fan Run Fuser Fan Motor On Off On Off 109 0050 0050 Fuser Bias Fuser bias voltage on at normal drive level On Off 109 0090 0090 Fuser Power On It controls temperature of fuser as 180 degrees On Off 110 0000 0000 LSU Motor1 Rdy Detects if LSU motor1 runs at normal speed High Low 110 0010 0010 LS...

Страница 74: ...e all processing job 2 Confirm USB connection If the network cable is connected unplug it and connect the USB cable to the machine 3 Download the firmware file from GSPN or other site and store it to your PC 4 Decompress the file in some folder 5 Drag the F W file and Drop down on the usblist2 exe file CLP 620 670 series ROM have file name like CLP620_VA BB CC DD hd 6 It will automatically update ...

Страница 75: ...ow method SWAS program is installed in PC Start the SWAS program Windows Start menu Programs Samsung Netowork Printer Utilities SyncThru Web Admin Service 1 Firmware Upgrade Upgrade check device using IP address 2 Maintenance Firmware upload register firmware 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 4 1 2 3 4 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 ...

Страница 76: ...ment Troubleshooting Service Manual 4 18 Samsung Electronics 3 Maintenance Firmware Upload upload firmware 4 Maintenance Firmware Upload confirm uploaded firmware 3 3 1 2 3 4 1 2 3 4 1 2 3 1 2 3 1 2 3 1 2 3 ...

Страница 77: ...leshooting Service Manual 4 19 Samsung Electronics 5 Maintenance Firmware Upgrade Upgrade choose firmware 6 Maintenance Firmware Upgrade Upgrade choose firmware 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 1 2 3 1 2 3 1 2 3 1 2 3 ...

Страница 78: ...lignment Troubleshooting Service Manual 4 20 Samsung Electronics 7 Maintenance Firmware Upgrade Upgrade 8 Maintenance Firmware Upgrade Upgrade Done 1 2 3 4 1 2 3 4 1 2 3 1 2 3 1 2 3 4 1 2 3 4 1 2 3 1 2 3 ...

Страница 79: ...ck the configuration and custom Caution Please change SWS Default ID and Password for syst Note If the machine supports Direct Print you can enable th configuration is Disabled for your security Firstly you have to login to SWS 1 Click Direct Print Configuration in the pop up wind 1 Click Direct Print Configuration in the pop up wind 2 In the Services Menu check Direct Print Service Manual 4 2 rou...

Страница 80: ...gnment Tr Or 1 Click System Security in the Security menu 2 Select Feature Management in the left frame 3 In the Services Menu check Direct Print Service Manual 4 21 roubleshooting SAMSUNG ELECTRONICS 1 1 ...

Страница 81: ...mpting to repair the printer first obtain a detailed description of the problem from the customer Power On No Power Power Module error Main PBA error LCD Panel error Refer to Solution of 4 2 4 Print Quality OP Panel ON Ready or Power save Indicate Error Massage Refer to Error Massage Chapter 4 2 2 Test Print END printing Quality is Nomal ...

Страница 82: ...02 005 Error 02 005 Turn off then on 31 page 03 006 007 Error 03 006 007 Turn off then on 32 page 03 008 Error 03 008 Turn off then on 32 page 03 009 Error 03 009 Turn off then on 32 page 03 015 Error 03 015 Turn off then on 33 page 04 001 Error 04 001 Turn off then on 34 page 04 002 Error 04 002 Turn off then on 34 page 06 25 26 27 006 Error 06 25 26 27 006 XXX toner XXX color 35 page 06 25 26 27...

Страница 83: ...Connector is not connected properly 2 Sensor is defective Troubleshooting method 1 Close the front cover or top cover perfectly 2 If the PTB is not installed install it 3 Check the cover switch harness between Main PBA and HVPS 4 Check the 24V enable signal on Main PBA If the voltage is high 5V replace the Main PBA 5 Check the 24V1 on SMPS If there is no output replace the SMPS board CN27 Connecto...

Страница 84: ...r is worn out 3 Feed Sensor is defective Troubleshooting method 1 Remove the jammed paper in MP tray 2 Check the MP empty sensor of the Cassette If it is defective replace it 3 If the pick up roller does not rotate replace the pick up solenoid 4 Check the feed sensor by using EDC mode after feed a paper from Cassette Reconnect the harness If the problem persists replace the defective part Actuator...

Страница 85: ...t become loose or life has expired replace it MEA HOLDER PAD SHEET JC97 03077A 4 If the pick up roller does not rotate check the MEA GEAR PICK UP JC97 02895A and SOLENOID PICK UP JC33 00022A If it is defective replace it 5 If the pick up roller rotates but the paper is not feeding replace the Feed motor JC31 00112A 6 Reconnect connector of CN4 5 9 on HVPS 7 Reconnect connector of CN1 2 on HVPS and...

Страница 86: ...use 1 Pickup Clutch does not work 2 Pickup roller rubber is worn out 3 Feed Sensor is defective Troubleshooting method 1 Take out the 2nd cassette and remove the jammed paper 2 If the pick up roller does not rotate check the Gear Pick up JC97 03228A If it is defective replace it 3 If the pick up roller rotates but the paper is not feeding replace the Clutch Feed JC97 03270A 4 Reconnect the CN9 con...

Страница 87: ... regular time Possible Cause 1 Feed sensor or Regi Sensor is defective 2 Exit sensor is defective 3 Feed Clutch is defective 4 Regi Clutch is defective Troubleshooting method 1 Check the Spring tension of the Regi roller and Regi shaft If the spring is defective replace it 2 Replace the actuator fuser and exit sensor 3 Reconnect the flat cable exit sensor harness Feed sensor harness 4 Check the OP...

Страница 88: ...in exit area Possible Cause If there is no jammed paper but error has occurred at warm up exit sensor is defective Troubleshooting method 1 If the actuator fuser sensing part has some problems replace the actuator fuser and exit sensor 2 Reconnect the flat cable Exit sensor harness Flat Cable 3p Exit sensor Flat Cable 3p Exit sensor ...

Страница 89: ...or Harness and Connector 2 Check if the UI message is changed by the Duplex Ready Sensor operation 3 Check the duplex ready sensor Troubleshooting method 1 Open the Front Cover and separate the PTB unit Remove the Jammed paper 2 If the paper is not reached to the duplex path after the exit sensor sensing check the Clutch BK deve If it is defective replace it 3 Check if exit actuator s replace time...

Страница 90: ...ck the Out Bin Full Sensor Harness and Connector 2 Check if the UI message is changed by the Out Bin Full Sensor operation 3 Check the Out Bin Full Sensor Troubleshooting method 1 Clear the paper on exit tray 2 Reconnect the CN3 connector on Main PBA 3 Replace the Actuator Stacker and Actuator OutFull Actuator Stacker JC66 02065A Actuator Outfull JC66 02064A Photo Interrupter 0604 001095 ...

Страница 91: ...rk until power off on Possible Cause Fuser Unit is not installed and AC is not supplied to the Heat Lamp Troubleshooting method 1 Turn off the power And turn on the power 2 If the problem persists replace the fuser unit 3 If the problem persists after replacing the fuser unit reconnect the CN35 connector on Main PBA 4 If the problem persists replace the Main PBA CN35 Thermistor CN35 Thermistor ...

Страница 92: ... Possible Cause Fuser Unit is not installed and AC is not supplied to the Heat Lamp Troubleshooting method 1 Turn off the power And turn on the power 2 Check the connection of the Fuser AC on FDB 3 Check the Fuser control harness 4 Remove the resistance value of the thermostat If the value is infinite replace the thermostat 5 If the problem persists replace the Fuser unit 6 Replace the SMPS board ...

Страница 93: ...machine can not control fuser temperature Troubleshooting method 1 Turn off the power And turn on the power 2 Replace the Fuser unit 3 Replace the FDB 4 Replace the Main PBA Code 02 005 Error message System Error 02 005 Please turn off then on Symptom The ADC port is short Possible Cause The machine can not control fuser temperature Troubleshooting method 1 Turn the power off then on again 2 If th...

Страница 94: ...ssible Cause 1 Harness is defective Connector is not connected properly 2 Corresponding motor is defective 3 Main Board is defective Troubleshooting method 1 Check the motor connector Reconnect the harness 2 If the problem persists replace the BLDC motor 3 If the problem persists after replacing BLDC motor replace the Main PBA Fuser BLDC OPC BLDC DEVE BLDC Fuser BLDC OPC BLDC DEVE BLDC ...

Страница 95: ...015 Error message Error 03 015 Turn off then on Symptom Fan does not operate Possible Cause Fan is defective Troubleshooting method 1 Check the CN17 connector FAN on Main PBA 2 If the FAN is defective replace it 3 If the problem persists replace the Main PBA CN17 Fan CN17 Fan ...

Страница 96: ...rregular LSU motor does not operate Possible Cause 1 Harness is defective Connector is not connected properly 2 LSU is defective 3 Main Board is defective Troubleshooting method 1 Check the LSU connector on Main PBA Reconnect it If necessary replace it 2 If the problem persists replace the LSU or Main PBA CN10 11 LSU LD Hsync Connector CN15 LSU Motor Connector CN10 11 LSU LD Hsync Connector CN15 L...

Страница 97: ...20 XXX toner XXX color Symptom and Possible Cause The toner cartridge is not installed properly or its connector is contaminated 006 Write Error 007 Communication Error 020 Read Error 6 K Cartridge 25 Cyan Cartridge 26 Magenta Cartridge 27 Yellow Cartridge Troubleshooting method 1 Open the front cover 2 Reinstall Cartridge 3 Close the front cover perfectly ...

Страница 98: ...ssible Cause 1 Check the harness and connector of the Tray1 2 Size Sensor 2 Tray1 2 Size Sensor is defective Troubleshooting method 1 Pull out Tray1 Cassette 2 Load Letter paper in Tray1 Cassette 3 Install Tray1 Cassette 4 If the problem persists check if Feed Actuator works correctly a Check the spring is put in right place of Actuator Feed b Check the connector fits on photo sensor ...

Страница 99: ...onics Code 12 004 Error message Load Letter in MP Symptom The paper in MP tray is not proper Possible Cause 1 Check the harness and connector of the MP Size Sensor 2 MP Size Sensor is defective Troubleshooting method 1 Open MP Tray 2 Load Letter paper in MP Tray ...

Страница 100: ...tray1 but error message is displayed Possible Cause 1 Tray1 empty sensor harness is not connected properly 2 Empty Sensor is defective Troubleshooting method 1 Check the paper empty sensor connector Reconnect it 2 Check the paper empty sensor If it is defective replace it 3 Check if the actuator is broken 6p Feed Tray empty 6p Feed Tray empty ...

Страница 101: ...ted in machine but error message is displayed Possible Cause 1 The connector of the Tray1 Home Position Sensor is not connected properly 2 Tray1 Home Position Sensor is defective Troubleshooting method 1 Reinstall the tray1 cassette 2 Reconnect the Feed sensor harness 6p Feed Tray empty 6p Feed Tray empty 3 Check the CST Draw connector Reconnect it ...

Страница 102: ...ut error message is displayed Possible Cause 1 MP Paper Empty Sensor harness is not connected properly 2 MP Paper Empty Sensor is defective Troubleshooting method 1 Check the MP paper empty sensor connector Reconnect it 2 Check the MP paper empty sensor If it is defective replace it 3 Check if the MP Empty actuator is broken Actuator Empty Actuator Empty ...

Страница 103: ... tray2 but error message is displayed Possible Cause 1 Tray2 empty sensor harness is not connected properly 2 Empty Sensor is defective Troubleshooting method 1 Check the paper Tray2 empty sensor connector Reconnect it 2 Check the paper Tray2 empty sensor If it is defective replace it 3 Check if the Tray2 actuator is broken Actuator Actuator ...

Страница 104: ...r message is displayed Possible Cause 1 The connector of the Tray2 Home Position Sensor is not connected properly 2 Tray2 Home Position Sensor is defective Troubleshooting method 1 Reinstall the tray2 cassette 2 Check the Tray2 Open micro sensor connector Reconnect it 3 Check the Tray2 Open micro sensor If it is defective replace it micro switch sensor micro switch sensor ...

Страница 105: ...leshooting method 1 Check if transfer belt unit is properly installed 2 Check CRUM PBA connector pins Replace the CRUM PBA with normal thing and test it If the CRUM PBA is defective replace the transfer belt unit or CRUM PBA 3 Check if the Transfer Belt CRUM Harness is defective and connected on engine board properly 4 Replace the main board with normal one and test it If it works replace main boa...

Страница 106: ... Troubleshooting method 1 Reinstall F W on the printer and check if machine works properly 2 Replace Transfer belt CRUM and check if machine works properly Code 28 004 Error message Replace new Fuser unit Possible Cause Fuser unit over a lifetime Troubleshooting method Replace a current fuser unit with a new one Code 28 005 Error message Not Installed Fuser Unit Possible Cause Fuser unit is not in...

Страница 107: ...the paper open the covers Do not use a tweezers pincers or other metal tools when clearing a paper jam This could damage the internal mechanism causing print quality problems or possibly electrical shock JAM type Jam 0 Jam 1 Jam 2 DuplexJam Jam 0 Jam 1 Jam 2 DuplexJam Jam 0 Jam 1 Jam 2 DuplexJam Jam type Displayed error message JAM0 Paper Jam in tray1 JAM1 Jam inside machine JAM2 Jam in exit area ...

Страница 108: ...ely open the front cover 2 Remove the jammed paper by pulling in the direction shown To avoid tearing the paper pull it out gently and slowly 3 Close the front cover 4 Pull out tray 1 5 Remove the jammed paper by pulling in the direction shown To avoid tearing the paper pull it out gently and slowly 6 Insert tray 1 back into the machine until it snaps into place Printing automatically resumes ...

Страница 109: ... the direction shown To avoid tearing the paper pull it out gently and slowly 5 Close the front cover and insert the trays back into the machine Printing automatically resumes In the multi purpose tray 1 If the paper is not feeding properly pull the paper out of the machine If you do not see the jammed paper or if there is any resistance when you pull stop and go to step 3 2 Open and close the fro...

Страница 110: ...p the paper jam lever to loose the fusing part of the fuser unit and carefully take the jammed paper out of the machine 4 Press down the paper jam lever to fasten the fusing part 5 Close the inner cover 6 After removing the jammed paper check for paper which may be jammed in other parts of the machine 7 Close the top cover Ensure that the cover is securely closed ...

Страница 111: ...of the output tray If you do not see the jammed paper or if there is any resistance when you pull stop and see In the fuser unit area 3 Open and close the front cover to resume printing In the duplex unit area 1 Using the handle completely open the front cover 2 Press the green release handle to release the paper transfer belt Holding the handle on the paper transfer belt lift it out of the machin...

Страница 112: ...direction shown To avoid tearing the paper pull it out gently and slowly 4 Holding the handle on the paper transfer belt align it with the slots on the inside of the front cover 5 Lower the paper transfer belt until it is parallel with the front cover and firmly seated 6 Close the front cover to resume printing ...

Страница 113: ... are normal Is it normal Go to step4 Replace the SMPS 4 Check the LCD panel Is it normal Replace the OPE PBA or the Main PBA Replace the LCD panel Step Cause and Check Point Yes No 1 Check the paper is loaded properly Go to step 2 Adjust the paper guide in paper size 2 Check the rollers on paper path is dirty Is it dirty Clean the rollers Go to step 3 3 Pick up roller feed roller is defective Repl...

Страница 114: ...ace the part including the defective roller NO Roller Period mm Yes No 1 Fuser Belt 125 7 Waving Offset Spot Line Burst Fuser Unit 2 Pressure roller 91 Offset Spot Line Burst Fuser Unit 3 OPC Drum 75 39 White and Black Spot Periodic Banding Ghost Color Registration CMYK toner cartridge 4 Deve Roller 36 1 CMY White Spot Horizontal Band CMY toner cartridge 32 6 K Offset Spot Line Burst K toner cartr...

Страница 115: ... Charge roller Supply Roller CMY Supply Roller K Transfer Roller OPC Drum Start line Fuser belt Repetitive defect Image check page Print this page Align the start line on this page with the printed defect image and measure to the next occurrence of the defect to determine which roller drum or belt causes the defect ...

Страница 116: ... and test again Check if the cleaning blade is damaged Replace the toner cartridge and test again Is the charge roller of PTB unit damaged Clean the charge roller of PTB unit or replace the PTB unit Check if paper transfer belt is damaged or contaminated Replace the PTB unit and test again Description 1 Straight thin vertical black lines occur in the printed image 2 Dark black vertical bands occur...

Страница 117: ... are scratches on the circumference of the OPC drum Replace the toner cartridge Check if there are scratches on the circumference of the developing roller Replace the toner cartridge Foreign objects inside the toner cartridge Replace the toner cartridge Check if there are vertical scratches on the transfer unit Replace the PTB unit Description White vertical voids in the image Vertical Black Line ...

Страница 118: ...ty registration roller pressure roller feed roller etc Any dirty rollers through the path of the paper Identify the roller which may cause the problem by comparing the period of the contamination on images with the size of rollers Clean any dirt from the roller or replace the dirty roller Dirty PTB belt or damaged PTB belt Clean PTB or replace the PTB unit Dirty feed guide or any paper delivery gu...

Страница 119: ...sity Uneven Density Cause and Check Point Solution The pressure force in the left and right springs of the transfer roller is not even the springs are damaged the transfer roller is improperly installed Replace the PTB Unit The toner layer is not even in the developing roller due to the damaged blade or low toner level Replace the toner cartridge Poor the pressure spring force of the toner cartrid...

Страница 120: ...k Point Solution The developing roller OPC drum or other rollers in the toner cartridge may be contaminated or deformed Replace the toner cartridge Contamination of the Gap Ring regular intervals 38 9mm Clean the gap ring or replace it Or replace the toner cartridge Bad contacts of HV terminals of the toner cartridge with high voltage terminals from printer set Clean all HV terminals in the cartri...

Страница 121: ...output are normal Is it normal Go to step4 Replace the SMPS 4 Check the LCD panel Is it normal Replace the OPE PBA or the Main PBA Replace the LCD panel Description When system power is turned on the printer does not warm up or LCD panel is blank Poor fusing Cause and Check Point Solution The media doesn t meet specification Use the proper media in specifications Fuser is defective Replace the fus...

Страница 122: ...ity name check When SNMP no response Check Point Action LAN cable check A Connected or Not connected B Wrong cable defected cable crossover cable C Connection connector Link partner check Network LED check A Link LED check Link LED On when connected B Activity LED check No packet Regularly blinking packet random blinking depend on Printer Model Print Network test page A Printed correctly If not NI...

Страница 123: ...ddress Conflict Same IP address in a network Unplug network cable and PING test at other PC 2 Protocol Enable Disable Port Number in printer driver Factory Default 1 Network Value changed to default value A Some of Network value will not be changed immediately B Factory default operation will be done after Power Off Power On ...

Страница 124: ...lator 5V_CTD Relay 24VS2 nRST_LPEC M U X Sensor Humidity Temp Out Temp In LPEC3 ASIC Engine Control DDR SODIMM On board M U X SMPS TYPE4 STAGE3 POWER CORD POWER CORD POWER CORD FUSER Lamp Control Motor OPC BLDC DEVE BLDC FUSER BLDC FEED STEP MOTOR EXIT STEP MOTOR Solenoid Clutch CST Pickup Solenoid DEVE K Clutch Fan Fuser Fan Rear Fan PTB UNIT DEVE CRUM IF PBA CRUM ACR sensor L R DEVE Y UNIT CRUM ...

Страница 125: ...G m zlyG up X Y _WW G GY zjmG up Ovw pvuP o wz z zi pzwX _Y llwyvt Y j m Gt ZYt j z Y zX Y X z TmjmGl Tm Gz Tl Gz j TtwGw Gz TtwGl Y XVY Y ztwz k zi kli n ylzl Gpj kjGj ZUZ XUW z j Z zjsW zkhW kli n y k kli n k hkky kh h lTwo ijt Y X X Gj wv ly vmm wv ly v lu ztwz Y G zjsX swljZ zkhX swljZ zjm y k zjm k whuls y k whuls k m zlyGjvu yvsG m zlyGiphzG z Th T ltw pu To V ltw v hj vwG w thpuGwih svjhs k...

Страница 126: ...3 OPE PANEL Block Diagram j Gsjk vwl t Gwih X G t o wz juY zwnw GOY P joyv zZGOYW P j G z sjk j r Gwhk tpjvtOo _j WP hy slk sjkGw X G G GYG hy sjk j wv ly vu y k k yz yz k y k k Gi z jvtX zln W rl Gwhk l z w Gr z k Gslk y Vn Y h h slk i h w Gz slk i X h t i ...

Страница 127: ... RJ45 Second Cassette Feeder MT YM MT CK 1 2 3 4 5 CLK_LSU_MOT_4 nREADY_LSU_3_4 nSTART_LSU_MOT_4 GND 24V_1 1 2 3 4 5 CLK_LSU_MOT_1 nREADY_LSU_1_2 nSTART_LSU_MOT_1 GND 24V_1 3 2 1 1 2 3 4 5 6 6 5 4 3 2 1 4 3 2 1 MP empty sensor MP solenoid EXIT sensor 1st CST empty sensor FEED sensor Wire Wire connector Wire Wire connector PAPER PATH 3 2 1 2 1 3 2 1 3 2 1 7 6 5 4 3 2 1 24V_1 24VS_1 1 2 Fuser Unit D...

Страница 128: ...are recommended safe and easy troubleshooting as described in this service manual 6 Reference Information Install Driver CD Network S W CD DVM Digital Volt Meter Standard Indicates more than 3 digits Driver Standard type type M3 long M3 short M2 long M2 short Tweezers Standard For general home use small type Cotton Swab Standard For general home use for medical service Cleaning Equipments Standard...

Страница 129: ...ence EP Electro photographic EPP Enhanced Parallel Port F W Firmware FCF FCT First Cassette Feeder First Cassette Tray FISO Front In Side Out FPOT First Print out Time GDI Windows Graphic Device Interface GIF Graphic Interchange Format GND Ground HBP Host Based Printing HDD Hard Disk Drive HTML Hyper Text Transfer Protocol HV High Voltage HVPS High Voltage Power Supply I F Interface I O Input and ...

Страница 130: ...ation Q y Quantity RAM Random Access Memory RCP Remote Control Panel ROM Read Only Memory SCF SCT Second Cassette Feeder Second Cassette Tray SMPS Switching Mode Power Supply SPGP Samsung Printer Graphic Processor SPL Samsung Printer Language SPL C Samsung Printer Language Color Spool Simultaneous Peripheral Operation Online SRS Software Requirment Specification SURF Surface Rapid Fusing SW Switch...

Страница 131: ...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 ...

Страница 132: ...Reference Information Service Manual 6 5 Samsung Electronics 6 4 A4 ISO 19752 Standard Pattern This test page is reproduced at 70 of the normal A4 size ...

Страница 133: ...Reference Information Service Manual 6 6 Samsung Electronics ...

Страница 134: ...Reference Information Service Manual 6 7 Samsung Electronics ...

Страница 135: ...Reference Information Service Manual 6 8 Samsung Electronics ...

Страница 136: ...Reference Information Service Manual 6 9 Samsung Electronics ...

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