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Samsung SCX-4500 Series, Service Manual

The Samsung SCX-4500 Series offers top-notch printing performance and versatility. To maximize its full potential and troubleshoot any issues, it is essential to have the Service Manual. Download the comprehensive manual free of charge from manualshive.com to ensure seamless operation and optimize your printing experience.

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Samsung Electronics

Service Manual

Exploded Views & Parts List

5-14

Frame Lower Parts List

5.6-0

JC96-04645A

ELA UNIT-FRAME LOWER

1

Y

5.6-1

JC61-02113A

FRAME-BASE LOWER

1

Y

5.6-3

JC44-00146A

HVPS

1

Y

5.6-5

JC63-01372A

COVER-HVPS

1

Y

5.6-6

JC39-00676A

HARNESS-HVPS

1

Y

5.6-7

JC66-00829A

SHAFT-P-PICK_UP

1

Y

5.6-8

JC66-01544A

LEVER-CASSETE ROCK

1

Y

5.6-9

6107-001170

SPRING-TS

1

Y

5.6-10

JC66-01573A

LEVER-CASSETE GUIDE

1

Y

5.6-11

JC39-00677A

HARNESS-COVER

1

Y

5.6-12

JC61-02009A

HOLDER-SWITCH

1

Y

5.6-13

JC63-01437A

GROUND-MAIN

1

Y

5.6-14

JC75-00049A

MEC-TERMINAL

4

Y

5.6-16

JC65-00024A

TERMINAL-HV

4

Y

5.6-20

JC63-01415A

GROUND-P THV

1

Y

5.6-21

JC39-00676A

HARNESS-HVPS

1

Y

5.6-22

JC61-02109A

HOUSING-TERMINAL

1

Y

5.6-23

JC61-02130A

GUIDE-EARTH TRNASFER

1

Y

5.6-24

JC61-70932A

SPRING ETC-GUIDE DEVE

1

Y

5.6-25

JC61-01548A

HOLDER-M-CAM

1

Y

5.6-26

JC63-01416A

GROUND-HVPS

1

Y

5.6-27

JC72-00382B

PMO-BUSHING FEED

2

Y

5.6-28

JC66-00526A

ROLLER-FEED ROLLER 1

1

Y

5.6-29

JC66-01439A

GEAR-REGI

1

Y

5.6-30

JC72-41191B

PMO-BEARING SHAFT

1

Y

5.6-31

JC66-01435A

GEAR-FEED

1

Y

5.6-32

JC66-01436A

GEAR-DRV FEED

1

Y

5.6-33

JC61-01967A

BRACKET_FEED

1

Y

5.6-34

JC66-01469A

CAM-PICKUP L

1

Y

5.6-35

JC61-01713A

STOPPER-PICK_UP R

2

Y

5.6-36

JC66-01509A

ROLLER-PICKUP IDLE

2

Y

5.6-37

JC66-01468A

CAM-PICKUP R

1

Y

5.6-38

JC61-01281A

BRACKET-P-BAR_PICK_UP

1

Y

5.6-39

JC66-00829A

SHAFT-P-PICK_UP

1

Y

5.6-40

JC97-02982A

MEA UNIT-ROLLER PICKUP

1

Y

5.6-40-1

JC61-00909A

HOUSING-M-PICK UP_R2

1

Y

5.6-40-2

JC61-02079A

HOUSING-PICKUP B

1

Y

5.6-40-3

JC72-01231A

SPONGE-ROLLER PICK_UP

1

Y

5.6-41

JC97-02957A

MEA UNIT-GEAR PICKUP

1

Y

5.6-42

JC63-01414A

GROUND DRIVE

1

Y

5.6-43

0604-001095

PHOTO INTERRUTER

1

Y

5.6-44

JC66-01541A

ATUATOR EMPTY

1

Y

5.6-45

6107-001164

SPRING TS

2

Y

Drawer#

SEC_Code

Description

QT'y

Service Remark

Summary of Contents for SCX-4500 Series

Page 1: ...3 in 1 MFP SCX 4500 Printing Speed 16PPM A4 17PPM Ltr Printing Resolution 600 x 600dpi Interface USB 2 0 OPE Touch Sensor Scanner FLAT BED CIS 600dpi Scan Resolution Optiacl 600 x 2 400dpi Paper Input Capacity 100 sheets Paper Output Capacity 30 sheets Engine Life 50 000 Pages Toner Initial 1K Sales 2K SCX 4500 ...

Page 2: ...1 3 Model Comparison Table 2 6 2 1 4 ACCESSORY 2 8 2 2 Summary of Product 2 9 2 2 1 Printer Components 2 9 2 2 2 System Layout 2 16 2 2 3 System Description 2 17 2 2 4 S W Descriptions 2 25 3 Disassembly 3 1 General Precautions on Disassembly 3 1 3 2 Cover Unit 3 2 3 3 Cassette 3 5 3 4 Scanner Unit 3 7 3 5 LSU Unit 3 11 3 6 Drive Unit 3 12 3 7 Main Board 3 13 3 8 HVPS Board 3 14 3 9 SMPS Board 3 1...

Page 3: ...h and Jam Error Solution 4 22 4 1 7 Error Messages 4 29 4 2 Troubleshooting 4 30 4 2 1 Procedure of Checkig the Symptoms 4 30 4 2 2 The cause and solution of image quality 4 31 4 2 3 The cause and solution of the paper feeding 4 43 4 2 4 Copy Problems 4 49 4 2 5 The cause and solution of the malfunction 4 52 5 Exploded Views Parts List 5 1 Main 5 2 5 2 Scanner Unit 5 4 5 3 OPE Unit 5 6 5 4 Cover L...

Page 4: ...Abbreviations 7 2 7 3 Select a location for the printer 7 4 7 4 Sample Tests Patterns 7 5 7 5 Parts Life Cycle Maintenance Table 7 6 7 5 1 Parts Life Cycle Maintenance Table 7 6 7 5 2 Toner Cartridge Criterion 7 6 7 6 Model Information 7 7 7 6 1 Understanding for Model Code 7 7 7 6 2 Understanding Material Code Name 7 8 7 6 3 F W Upgrade Method 7 8 Continued ...

Page 5: ...man access to laser radiation above a Class I level during normal operation user maintenance or prescribed service condition Warning Never operate or service the printer with the protective cover removed from Laser Scanner assembly The reflected beam although invisible can damage your eyes When using this product these basic safety pre cautions should always be followed to reduce risk of fire elec...

Page 6: ... 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 other wise damaged Do not place objects on top of the power cable If the power cable is d...

Page 7: ... to the printer in such areas 5 Do not place candles burning cigarettes etc on the printer These could cause a fire 1 2 4 Assembly Disassembly Precautions Replace parts carefully always use Samsung parts Take care to note the exact location of parts and also cable routing before dismantling any part of the machine Ensure all parts and cables are replaced correctly Please carry out the following pr...

Page 8: ...o you can get harm 3 When you move the printer This printer weighs 8 6kg including toner cartridge and cassette Use safe lifting and handling techniques Use the lifting handles located on each side of the machine Back injury could be caused if you do not lift carefully 4 Ensure the printer is installed safely The printer weighs 8 6Kg ensure the printer is installed on a level surface capable of su...

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

Page 10: ...0 x 600 dpi FCOT Less than 15 sec 50 to 199 zoom range Multi copy 1 99 16ppm A4 17ppm Ltr Resolution 600x2400 dpi optical 4800x4800 dpi enhanced 256 levels gray scale Up to 600 x 600 dpi NO SPEC SCX 4500 1 SIZE WxDxH 332 393 164 5mm BOX SIZE WxDxH 421 553 261mm 2 NOISE WARMING UP 43dBA READY 38dBA PRINTING COPYING 45dBA 3 WEIGHT NET Inc CRU 9 3kg GROSS Inc PACKING 11 5kg 2 Product specification an...

Page 11: ...n the machine for the correct voltage frequency hertz and type ofcurrent for your machine Power consumption Average operation mode Less than 350W Sleep mode less than 8 12W Operating environment Temperature 10 C to 32 C Humidity 20 to 80 RH Maintenance Cycle Paper Feeding Roller 50K Pages Print Transfer Roller 50K Pages Print Fuser 50K Pages Print Product Life 50K Toner Cartridge Life initial 1000...

Page 12: ... 208 mm Printing Resolution 600 X 600 dpi Printing Speed 16 ppm A4 17 ppm Ltr FPOT Standby 12 sec 5 Text Power save 15 sec Emulation SPL GDI Toner Check Sensor None Operating System Windows 2000 XP 2003 Vista Mac 10 3 10 4 Various Linux OS PC interface USB 2 0 Toner Save Yes Item Specification and Description USB 2 0 USB No cable included Note SEC will NOT supply any of interface cable Minimum PC ...

Page 13: ...evels Zoom Range 50 199 Multi Copy 1 99 Preset Yes Contrast 5 Level LED Matrix Copy Mode Text Mixed Photo Collation Copy NA N up Copy NA Auto Fit Copy NA Clone NA Poster NA 2 side copy NA 3 Copy Item Specification and Description Compatibility TWAIN standard WIA standard Scan Method Color CIS Color Scan Yes Resolution Optical 600 X 2400 dpi Enhanced 4800 X 4800 dpi PC Scan Speed Lineart Halftone 1...

Page 14: ...Samsung Electronics Item Specification and Description Quick Set Up guide Yes Owners Manual Yes 1CD User guide Bundle s w SmarThru 4 Toner Cartridge 1 EA Drum Unit N A Power Cable Yes In Out Guide No Printer Cable No USB Cable No Except Korea 5 Accessory ...

Page 15: ... Size W D H 332 393 164 5mm 332 375 6 121 5mm Input Capacity 100 sheets Output Capacity 30 sheets Engine Life 50 000 sheets Toner 2K Initial 1K Interface USB 2 0 Dimension W x D x H Max 45 dBA Printer Speed 16ppm A4 FPOT Less than 15 sec Less than 15 sec Copy Resolution 600x2400 dpi X Speed 16cpm A4 SDMP X Scan Resolution 600 dpi X Scan Module Color CIS X UNIT Part Logan Swan SCX 4500 ML 1630 ...

Page 16: ... Output Capacity 30 sheets 100sheets 100 sheets Engine Life 50 000 sheets Toner 2K Initial 1K 2 5K drum 12K 2K Interface USB 2 0 USB 1 1 Parallel USB 2 0 Dimension Max 45 dBA Max 53dBA Max 49dBA W x D x H Printer Speed 16ppm A4 20ppm A4 14ppm A4 FPOT Less than 15 sec 10sec 15 sec from ready Copy Resolution 600 dpi 600 dpi 600 dpi Speed 16cpm A4 16cpm A4 16cpm A4 Scan Resolution 600 dpi 600 dpi 600...

Page 17: ...K 90 25 JC68 01584A 1 4 COVER PAPER JC61 02123A 1 5 POWER CORD 3903 000042 1 6 USB Cable JC39 00001A 1 7 Driver CD JC46 00348A 1 8 MANUAL CARD WARRANTY CARD JC68 00690A 1 9 MANUAL SERVICE CARD JC68 00421A 1 1 COVER PAPER 2 POWER CORD 3 USB Cable 4 Driver CD 5 MANUAL CARD WARRANTY CARD 6 MANUAL SERVICE CARD ACCESSORY BAG KRA1JC99 02061D C100X8C0028 ED SCX 4500 XEV 3903 000042 ...

Page 18: ...er describes the functions and operating principal of the main component 2 2 1 Printer Components 2 2 1 1 Front View 1 8 2 3 4 5 6 7 9 11 10 1 control panel 2 scanner lid 3 top cover 4 output tray 5 output support 6 tray 7 tray open button 8 scanner glass 9 top cover lever 10 print cartridge 11 inner cover ...

Page 19: ...Service Manual Product specification and feature 2 10 Samsung Electronics 2 2 1 2 Rear View 1 2 3 4 1 rear cover 2 power switch 3 power receptacle 4 USB port ...

Page 20: ...eding Method Universal Cassette Type Feeding Standard Center Loading Feeding Capacity Cassette 100 Sheets 75g 20lb Paper Standard Cassette 1 Sheet Paper OHP etc Paper Detecting Sensor Photo Sensor Paper Size Sensor N A 2 2 1 2 b Transfer Ass y Life Span Print over 50 000 Sheets in 15 30 Transfer roller ...

Page 21: ...d the distributing unit In SCX 4500 Series Latch Gear is used for an easy Jam Removal at Gear Drv Fuser 2 2 1 2 d Fuser Ass y Halogen Lamp Control the Fusing Temperature by Heating Thermostat Temperature Intercepting Device Open 170 c Receptacle type Heat Roller Teflon Coating Pressure Roller Silicon the Same as one of Oriole ML 2571N Thermistor Temperature Detecting Sensor ...

Page 22: ...tacting method Toner Non magnetic 1 element shatter type toner Toner remaining amount detecting sensor None The life span of toner 2 000 Sheets ISO 19752 Standard OPC Cleaning Collect the toner by using cleanning blade Management of disused toner Collect the toner by using electric static Non Cleaner type OPC Drum protecting Shutter None Reflection mirror F Lens P Motor LD PCB ...

Page 23: ...g Electronics 2 2 1 2 g Scanner Part Layout Scan Method 600dpi Color CIS Module Maximum Scan Width 216 mm width of Letter Size Effective Scan Length 297 mm Scan Line Time 1 5 msec mono COVER SCAN LOWER CIS MOTOR ASS Y COVER PANEL SHAFT CIS SLIDER CIS TIMING BELT ...

Page 24: ... 2 15 Samsung Electronics Panel Copies Darkness Stop Clear Start Copy Scan to PC Reduce Enlarge Main LED Light Error LED Light Silk Screen Silk Screen Guide description Power Button Main Status Display Copy Setting Button Cancel Button Command Button ...

Page 25: ...ervice Manual Product specification and feature 2 16 Samsung Electronics TIMING BELT PLATEN COVER WHITE SPONGE PLATEN GLASS FFC CIS STACKER SCAN MOTOR FOOT SMPS SHIELD TRANSFER ROLLER 2 2 2 System Layout ...

Page 26: ...ntroller and Operation Panel Scan Copy Part SMPS HVPS part and Engine Part Main Controller uses Chorus2 for its ASIC which is on chip micro controller and is composed of 1Mbyte Flash memory and 8Mbyte SDRAM to control 16Bit Bus Chorus2 is operated by 66MHz Bus Clock thru internal PLL of 12MHz system Clock 2 2 3 1 System Structure ...

Page 27: ...mage Processor 1 CPU 16Bit RISC Processor Chrous II for printers and MFPs is used and controls the system operating each operation block by system program in Flash Memory 2 Flash Memory saves system program and each parameter used in system and downloads the system program by PC Interface Memory 1 Mbyte Access Time 100 nsec 3 SDRAM used by Print Buffer while printing Scan Buffer while scanning and...

Page 28: ... and Scan Part is consisted of Signal Controller and Scan Motor Controller Resolution 600x2400dpi MAX Effective Scanning Length 216mm Effective picture elements 5104 600DPI 2552 300DPI Sensor elements 5136 dots 2 2 3 4 Motor Contorllor Bi polar Motor is controlled by AN44060 Motor Drive IC and is controlled by the output signal of Scan Motor Part ...

Page 29: ...river IC controls 65 LED matrix and 15 status LEDs 2 2 3 6 Engine H W configuration 1 Main Board Main Board is consist of Engine and Controller on the one Board Main board interfaces PC and communicates with Image Scan and LCD of OPE Panel Video data comes out from LSU it senses and controls motor driving Fuser high voltage and sensors Touch Sensor IC CY8C21434 ...

Page 30: ... SMPS has two output channels Which are 5V and 24V AC Input Input Rated Voltage AC 110V 127V V1 AC 220V 240V V2 Input Voltage fluctuating range AC 99V 135V AC 198V 255V Rated Frequency 50 60 Hz Frequency Fluctuating range 47 53Hz 50Hz 57 63Hz 60Hz Input Current Under 4 0Arms 2 5Arms But the status when lamp is off or rated voltage is inputted outputted AC Input Connector Heat Lamp1 2 Connector Mai...

Page 31: ...d outputs the high voltage for THV MHV BIAS and the outputted high voltage is supplied to the toner OPC cartridge and transfer roller Transfer High Voltage THV Input Voltage 24 V DC 10 Out Voltage Max 5 0KV 3 Output Voltage Variation 3 below Variation 21 6V 26 4V Out Voltage Rising Time 100 ms Max Out Voltage Falling Time 100 ms Max Transfer Variation Voltage on Environment Variation 400V 5 KV Con...

Page 32: ...Max Output Loading range 10M 1000 M Output Control Signal BIAS PWM the CPU output is HV output when PWM is low Supply Output Voltage 520 V 750V DC 3 ZENER using DEV Input contrast of the output stability degree under 3 Loading contrast 3 or less Output Voltage Rising Time 50 ms Max Output Voltage Falling Time 50 ms Max Output Loading range 10 M 1000 M Output Control Signal BIAS PWM the CPU is HV o...

Page 33: ...e Controller When the HEATER ON signal is turned on at engine the LED of Photo Triac takes the voltage and flashes From the flashing light the Triac part light receiving part takes the voltage and the voltage is supplied to the gate of Triac and flows into the Triac As a result the AC current flows in the heat lamp and heat is occurred On the other hand when the signal is off the photo triac is of...

Page 34: ...hich printer can understand and transfers data to spooler 3 Stand alone Application that offers the various printing application DMS Document Management System RCP Remote Control Panel Printer Status Monitor Network Management in Window system 4 Web based Application that offers the same functions as Stand alone Application and RDC Remote Diagnosis Control in Web environment Firmware is made up of...

Page 35: ...ditional functions management of printing job printer administra tion Status monitor to monitoring the printer status by real time in Web independent environment on OS 3 Stand alone Application that is a similar Window software as same as above 2 4 Port Monitor that manages the network communication between spooler and Network Interface Card or various addi tional application and Network Interface...

Page 36: ...el port or USB port Kernel receives this data from Host and then select emulation fit to data and start selected one After emulation job end Kernel sends the output bit map data to Engine using Printer Video Controller by clock type for LSU Engine print the received data to required paper with the sequential developing process 2 Case of using Network Interface Card After user start to print the wa...

Page 37: ...machine note the cable routing that will be affected Whenever servicing the machine you must perform as follows 1 Check to verify that documents are not stored in memory 2 Be sure to remove the print cartridge before you disassemble parts 3 Unplug the power cord 4 Use a flat and clean surface 5 Replace only with authorized components 6 Do not force plastic material components 7 Make sure all compo...

Page 38: ...he GUIDE FEED LOWER from the MEA UNIT FEED LOWER 2 To remove COVER REAR first remove the three screws Service Manual Disassembly and Reassembly 3 2 Samsung Electronics 3 2 Cover Unit The description of disassembly and reassembly in this manual is listed according to the disassembly procedures ROLLER IDLE ...

Page 39: ...e SET as shown below 4 Take out the Toner Cartridge 5 To Remove the COVER FUSER DUMMY remove the two screws and then release the COVER FUSER DUMMY 6 To remove the COVER LEFT Unlatch the latch 3 EA of the COVER LEFT as shown below 7 Following 6 procedure unlatch the rear latch of the COVER LEFT 8 Release the COVER LEFT ...

Page 40: ...Push the button and take out the Cassette Cassette disassembly is referred to Chapter 3 4 in detail 11 To remove the COVER FRONT first remove the two screws 12 Remove the hinge in the right side of the COVER FRONT 13 In the same way remove the hinge in the left side of the COVER FRONT 14 Release the COVER FRONT ...

Page 41: ...CASSETTE bottom 2 Release the GUIDE CASSETTE LOCK from both side of the CASSETTE 3 Release the RING CS 2EA from the GUIDE CAS SETTE LOCK 4 Release the GUIDE REAR 5 Move the GUIDE SIDE L R to the direction of the arrow 6 Overturn the CASSETTE and remove the one screw from PINION GEAR 7 Release the GUIDE SIDE L R ...

Page 42: ...Release the SPRING CS from the PLATE KNOCKUP 11 Release the SHAFT P CORE from the PLATE KNOCKUP 12 Release the RPR PAD CASSETTE When attach ing again Fit the line 13 Release the GUIDE KNOCKUP When reassem bling confirm the operation condition 14 Release the SRING ETC LOCKER PLATE from the both left and right side of the FRAME CST ok ok ok ok ...

Page 43: ... 3 4 Scanner Unit 1 Release the Harness from the Main board 2 Release the COVER SCAN REAR of the Scanner Unit 3 Remove the two screws 4 Lift up the Scanner Unit with left hand and release the top of the LINK UPPER with right hand 5 Remove the one screw as shown below ...

Page 44: ...en release it from the SET 7 Release the Scanner Unit from the SET 8 To release the COVER SCAN OPE of the ELA UNIT SCAN OPE follow below procedure 9 12 9 Open the Platen Cover 10 Release the Top locking of the COVER SCAN OPE by using a tool Top Middle Bottom LOCKING 7 POINT LOCKING 7 POINT LOCKING 7 POINT LOCKING 7 POINT ...

Page 45: ... Bottom locking of the COVER SCAN OPE 13 To remove the COVER SCAN OPE of the ELA UNIT SCAN OPE remove the Harness OPE from the COVER SCAN OPE 14 Release the ELA UNIT SCAN OPE from the COVER SCAN UPPER 15 Push up the ELA UNIT CIS to the direction of the arrow 16 Release the TIMMING GEAR as shown below Top Middle Top Middle Bottom Bottom ...

Page 46: ...3 10 Samsung Electronics 17 Remove the HARNESS CIS FFC from the ELA UNIT CIS 18 Remove the SHAFT CIS 19 Release the PULLY IDLE 20 To remove the ELA UNIT SCAN DRIVE remove the three screws and release it with the connected cable HARNESS CIS FFC ...

Page 47: ... Unit 1 To remove the ELA UNIT LSU from the ELA UNIT FRAME UPPER remove 4 screws that is under the WHITE SHEET SPONGE First remove 2 screws to the left side 2 Remove the 2 screws to the right side 3 Release the the ELA UNIT LSU from the ELA UNIT FRAME UPPER WHITE SHEET SPONGE ...

Page 48: ...sung Electronics 3 6 Drive Unit 1 To remove the ELA UNIT DRIVE remove the two screws of the LINK RAIL UPPER and release it 2 Remove the six screws and pull the ELA UNIT DRIVE to the direction of arrow 3 Remove the HARNESS MOTOR from the ELA UNIT DRIVE ...

Page 49: ...Disassembly and Reassembly Service Manual 3 13 Samsung Electronics 3 7 Main Board 1 Unplug the Harness as shown below 2 Remove the 4 screws and release the Main Board from the SET ...

Page 50: ...ly 3 14 Samsung Electronics 3 8 HVPS Board 1 To remove the HVPS Board remove the 4 screws and release the COVER HVPS 2 Turn the HVPS Board to the direction of the arrow 3 Remove the HARNESS HVPS from the HVPS Board as shown below HVPS Board ...

Page 51: ...Electronics 3 9 SMPS Board 1 To release the SMPS Board first remove the 8 screws 2 Lift up the SMPS Board as shown the below 3 Remove the Harness from the SMPS Board 4 Remove the 2 screw 5 IF necessary release the SMPS Board from the SHIELD SMPS SHIELD SMPS ...

Page 52: ...ice Manual Disassembly and Reassembly 3 16 Samsung Electronics 3 10 Fuser Unit 1 Lift up and turn the FRAME UPPER 2 To release the ELA HOU FUSER from the SET remove the 4 screws 3 Release the ELA HOU FUSER ...

Page 53: ...Disassembly and Reassembly Service Manual 3 17 Samsung Electronics 3 11 Transfer Roller 1 Lift up the Transfer Roller 2 Release the Transfer Roller from the SET ...

Page 54: ...g genuine cartridge If it blinks rapidly the print cartridge is totally empty Check the display message and replace the print cartridge paper jam LED Blinks when the paper jam in the machine Check the display message to release the jammed paper copy buttons 2 Copies Increases the number of printouts Number can be changed by using up down arrows Possible values can be added up to 99 3 Reduce Enlarg...

Page 55: ... Low Heat Error LSU Not Ready LSU Hsync Error Motor Locked Error Scan Lock Error Internal Error Open Heat Error H1 Over Heat Error H2 Low Heat Error H3 LSU Not Ready L1 LSU Hsync Error L2 Motor Locked Error ME Scan Lock Error SE Internal Error IE Not Supported Moving Down Arrow head Arrow will come down frame by frame 5 Frames and when Arrow is at Last frame Status LED will Glow Status LED User Mo...

Page 56: ...Adjustment and Troubleshooting Service Manual 4 3 Samsung Electronics OPE Design ...

Page 57: ...Service Manual Adjustment and Troubleshooting 4 4 Samsung Electronics Main LED TEXT Definition ...

Page 58: ...Adjustment and Troubleshooting Service Manual 4 5 Samsung Electronics Function and Indication Description ...

Page 59: ...Service Manual Adjustment and Troubleshooting 4 6 Samsung Electronics Function and Indication Description ...

Page 60: ...Adjustment and Troubleshooting Service Manual 4 7 Samsung Electronics LED Display Interaction ...

Page 61: ...Service Manual Adjustment and Troubleshooting 4 8 Samsung Electronics LED Display Interaction ...

Page 62: ...Adjustment and Troubleshooting Service Manual 4 9 Samsung Electronics LED Display Interaction ...

Page 63: ...Service Manual Adjustment and Troubleshooting 4 10 Samsung Electronics LED Display Interaction ...

Page 64: ...s Multi Error Definition Do not everything togling information when multi error happened and main display marks prierity unfirma tion and gives response in under error icons When produce error during printing printing and error status need togling that show intersection ...

Page 65: ...tory Clear Power Down ScanTo START A A4 User can scroll thgrough Aging test menu by using UP Down Key A LT A 01 A 02 A 03 A 04 For Report Power Copies ScanTo DOWN Start System Data Report print 01 System Data 02 Error report Factory Mode AT Power Down ScanTo UP A A4 Aging testA4 A LT Aging testLT A 01 Aging test2 A 02 Aging test2 A 03 Aging test3 A 04 Aging test4 00 Tech Mode DS For Data Setup Pow...

Page 66: ...being done or use in special key sequence 5 UP To increment scroll UP 6 Down Decrement Scroll Down 7 StartCopy To start Copy Job 8 ScanTo PC To Start PC Scan Job 9 Power To Power ON Off Status LED 1 Error Led This Led will glow if there is any general error 2 Paper Status This led will glow if there is paper Empty condition 3 Toner Status This Led will glow if there is Toner error condition 4 Pape...

Page 67: ...anTO to go to Data Setup Menu Following Menu would be displayed after pressing Power Copies ScanTO key sequence 4 1 3 2 Tech mode User Unrecoverable Service Tech Mode Temp Part Error Thermistor Open Over Heat Low Heat H1 H2 H3 LSU Part Error Black LSU Look not ready Black Hsync LSU Hsync L1 L2 Motor 0_Locked Error Main BLDC Motor Locked Error ME Scan Lock Error SE Internal Error IE T DS T M T RP T...

Page 68: ...pressing Power Reduce ScanTo key sequence RT Rom Test PT Pattern Test ST Switch Test DT Dram Test ST Switch Test CM Clear All Mem FU Flash Upgrade RP Report Print M Machine Test Press Power Copies ScanTO Start to go to Data Setup Menu Following Menu would be displayed after pressing Power Copies ScanTO key sequence CM Clear All Mem CC Clear Count FU Flash Upgrade DS Data Setup CC Clear Count Press...

Page 69: ... R RP Report Print M Machine Test DS Data Setup Press Power Copies ScanTo DOWN Start to go to Report Menu SD System Data ER Error Report SD System Data ER Error Report Press Power Down Start Up to set Tech Mode Use the same sequence to change the mode to user mode Press Power Copies ScanTO to go to Data Setup Menu Following Menu DS Data Setup M Machine Test RP Report Print ...

Page 70: ...UK Press Power Down ScanTo START to go to Factory Clear Menu Following Menu would be displayed after pressing Power Down ScanTo START key sequence UK US KP CH UK US KP CH UK US KP CH UK US KP CH UK US KP CH UK US KP CH UK US KP CH UK US KP CH Factory Clear There will be 4 options for factory clear UK US KR CH ...

Page 71: ...ay Key PJ Pause SH Shading SC Scanner Test Press Power Darkness ScanTo UP Start to go to Scanner Test Sub Menu DK Display Key SC Scanner Test ST Scanner Test HC Home Check Data HC Home Check Data HC Crum Report Data HC Crum Report Data Press Power Darkness ScanTo to go to Aging Test ModeMenu Following Menu would be displayed after pressing Power Darkness ScanTo key sequence EP Edge Print ST Scanne...

Page 72: ... CR ST Scanner Test HC Home Check Data HC Home Check Data HC Crum Report Data HC Crum Report Data Press Power Darkness ScanTo to go to Aging Test ModeMenu Following Menu would be displayed after pressing Power Darkness ScanTo key sequence EP Edge Print ST Scanner Test EP Edge Print Toner Exhausted Max Current Toner Exhausted ...

Page 73: ...4 1 3 3 System Data List Service Manual Adjustment and Troubleshooting 4 20 Samsung Electronics ...

Page 74: ...Print Tech mode Toner Exhausted T2 No Print No Print Print Tech mode Non Genuine Toner T3 Print Print Print 1 1 2 2 3 3 4 4 5 5 6 6 7 7 No Roller Period Phenomenon 1 OPC Drum 62 8 mm White and Black Spots 2 Charge Roller 26 7 mm White Black Spot and Periodic Band 3 Supply Roller 46 9 mm Periodic Band by little difference of density 4 Developing Roller 35 2 mm White Spot Horizontal black band 5 Tra...

Page 75: ...ing paper that is jammed in the printer if possible always pull the paper in the direction that it nomally moves so as not to damage internal components Always pull firmly and evenly do not jerk the paper if the paper lears ensure that all fragments of paper are removed otherwise a jam will occur again 4 1 6 1 Paper Path ...

Page 76: ... area and rear the machine Rear and Inside the machine In the exit area 4 1 6 2 a In the paper feed area and rear the machine If paper is jammed in the paper feed area and rear the machine follow the next steps to release the jammed paper 1 Press the tray open button 2 Pull the tray open 3 Remove the jammed paper by gently pulling it straight out as shown below 4 Align the tray with the slot and s...

Page 77: ...ly and carefully until the cover is securely latched 7 If the paper LED blinks go to next step 8 Open the rear cover 9 Carefully take the jammed paper out of the machine 10 Hold both edges of the rear cover and align it as shown in the following figure Press the rear cover firmly until it clicks 11 Open and close the top cover firmly The machine will resume printing ...

Page 78: ...over 2 Carefully take the jammed paper out of the machine 3 Hold both edges of the rear cover and align it as shown in the following figure Press the rear cover firmly until it clicks 4 Press the top cover lever completely open the top cover 5 Hold the top cover and close it slowly and carefully until the cover is securely latched 6 If the paper LED blinks go to next step 7 Press the top cover lev...

Page 79: ...d pull to remove the cartridge out of the machine 9 Carefully take the jammed paper out of the machine 10 After removing the jammed paper check for paper which may be jammed in other parts of the machine 11 Slide the print cartridge back into the machine 12 Close the top cover firmly The machine will resume printing ...

Page 80: ...e next steps to release the jammed paper 1 Press the top cover lever completely open the top cover 2 If a long portion of the paper is visible pull it straight out If there is any resistance removing the paper stop pulling 3 Hold the top cover and close it slowly and carefully until the cover is securely latched 4 Open the inner cover 1 inner cover ...

Page 81: ...sung Electronics 5 Carefully take the jammed paper out of the machine 6 Close the inner cover 7 After removing the jammed paper check for paper which may be jammed in other parts of the machine 8 Close the top cover firmly The machine will resume printing ...

Page 82: ...ith a Samsung genuine cartridge Reinstall the print cartridge two or three times If the problem persists the print cartridge is not being detected Please contact the service representa tives Replace the corresponding cartridge with a Samsung genuine cartridge Replace the corresponding cartridge with a Samsung genuine cartridge Replace the corresponding cartridge with a Samsung genuine cartridge Th...

Page 83: ...ttempting to repair the printer first obtain a detailed description of the problem from the customer Power On Indicate Error Display Ready or Power save Test Print printing Quality is Nomal Refer to Solution of Image Problem Refer to Error Display Chapter 4 1 7 END No Power Power Module error Main PBA error Display Panel error OP Panel ON ...

Page 84: ...The cause and solution of image quality 4 2 2 1 Vertical Black Line and Band Description 1 Straight thin black vertical lines occur in the prnting 2 Dark black vertical bands occurrs in the printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 85: ...ual Adjustment and Troubleshooting 4 32 Samsung Electronics 4 2 2 2 Vertical White Line Description White vertical voids in the image Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 86: ...Dark or blurry horizontal stripes occur in the printing periodically These may occurs at regular intervals down the page 1 OPC Drum 62 8mm 2 Charge Roller 26 7mm 3 Supply Roller 46 9mm 4 Developing Roller 35 2mm 5 Transfer Roller 47 1mm Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 87: ...ectronics 4 2 2 4 Black White Spot Description 1 Dark or blurry spots occur periodically in the printing 2 White spots occur periodically in the printing 26 7 62 8 62 8 62 8 26 7 50K Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 88: ...and Troubleshooting Service Manual 4 35 Samsung Electronics 4 2 2 5 Light Image Description The printed image is light with no ghost Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 89: ... Manual Adjustment and Troubleshooting 4 36 Samsung Electronics 4 2 2 6 Dark image or Black Description The printed image is dark Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 90: ...Adjustment and Troubleshooting Service Manual 4 37 Samsung Electronics 4 2 2 7 Uneven Density Description Print Density is uneven between left and right ...

Page 91: ...tment and Troubleshooting 4 38 Samsung Electronics 4 2 2 8 Background Description Light dark background appears in whole area of the printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 92: ...rvice Manual 4 39 Samsung Electronics 4 2 2 9 Ghost 1 Description Ghost occur at 63mm intervals of the OPC drum in the whole Printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 63 mm ...

Page 93: ...d Troubleshooting 4 40 Samsung Electronics 4 2 2 10 Strain in the Face of the Page Description The background on the face of the printed page strained Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 94: ...oting Service Manual 4 41 Samsung Electronics 4 2 2 11 Strains on Back of Page Description The back of the page is strained at 47 1 or 75 36 mm intervals 75 36 Digital Digital Pri Digital Printer Digital Printer Digital Printer ...

Page 95: ... Manual Adjustment and Troubleshooting 4 42 Samsung Electronics 4 2 2 12 Blank Page Print out 1 Description Blank page is printed Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer ...

Page 96: ...ustment and Troubleshooting Service Manual 4 43 Samsung Electronics 4 2 3 The cause and solution of the paper feeding 4 2 3 1 Wrong Print Position Description Printing begins at wrong position on the paper ...

Page 97: ...Service Manual Adjustment and Troubleshooting 4 44 Samsung Electronics 4 2 3 2 JAM 0 Description 1 Paper does not exit from the cassette 2 Jam 0 occurs when the paper feeds into the printer ...

Page 98: ...eshooting Service Manual 4 45 Samsung Electronics 4 2 3 3 JAM 1 Description 1 Paper is jammed in front of or inside the fuser 2 Paper is stuck in the exit roller and in the fuser just after passing through the Actuator Feed ...

Page 99: ...bleshooting 4 46 Samsung Electronics 4 2 3 4 JAM 2 Description 1 Recording paper is jammed in front of or inside the fuser 2 Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator Feed ...

Page 100: ...Adjustment and Troubleshooting Service Manual 4 47 Samsung Electronics 4 2 3 5 Multi Feeding Description Multiple sheets of paper are fed at once ...

Page 101: ...Service Manual Adjustment and Troubleshooting 4 48 Samsung Electronics 4 2 3 6 Paper rolled in the fuser Description Paper rolled around fuser rollers or Concertina jam ...

Page 102: ...e Description There is noise from the Platen when copying 1 Check the Scanner Motor and gear Check for correct assembly of gear and motor Ensure no parts are fouling and there are no foreign objects in the mechanism or scanner path Replace any worn parts Replace the main PBA 2 Check the Motor Driver on Driver PBA ...

Page 103: ... copied image is excessively light or dark 1 Check shading profile Redo shading profile in the tech mode A gap of more than 0 5mm can cause a blurred image Ensure rollers and cover close correctly Replace as necessary 2 Check the gap between original and scanner glass See Print troubleshooting 3 Check printing quality ...

Page 104: ... Document are fed at once 1 Check that the paper size guides are set correctly Documents Guide Adjust Left Right Documents Guide Use paper with a smother suface finish 2 Paper has a rough suface texture Can the friction pad rubber with a soft cloth dampened with IPA lsopropyl Alcohol or water 3 Friction Pad is contaminated ...

Page 105: ...ustment and Troubleshooting 4 52 Samsung Electronics 4 2 5 The cause and solution of the malfunction 4 2 5 1 Fuser Error Description message Fuser High Error Fuser Low Error Fuser Open Error is displayed on a smart panel ...

Page 106: ...Adjustment and Troubleshooting Service Manual 4 53 Samsung Electronics 4 2 5 2 LSU Unit Error Description message LSU Error LSU Hsyne Error is displayed on a smart panel ...

Page 107: ...Service Manual Adjustment and Troubleshooting 4 54 Samsung Electronics 4 2 5 3 Paper Empty Error Description The paper lamp on the operator panel is on even when paper is loaded in the cassette ...

Page 108: ...Adjustment and Troubleshooting Service Manual 4 55 Samsung Electronics 4 2 5 4 Cover open Error Description message Cover open is displayed on a smart panel ...

Page 109: ...Service Manual Adjustment and Troubleshooting 4 56 Samsung Electronics 4 2 5 5 No power Error Description When system power is turned on all lamps on the operator panel do not come on ...

Page 110: ...ive 5 16 5 8 Fuser 5 18 5 9 Cassette 5 20 Contents Contents DIGITAL LASER PRINT The keynote of Product Slim Size 3 in 1 MFP SCX 4500 Printing Speed 16PPM A4 17PPM Ltr Printing Resolution 600 x 600dpi Interface USB 2 0 OPE Touch Sensor Scanner FLAT BED CIS 600dpi Scan Resolution Optiacl 600 x 2 400dpi Paper Input Capacity 100 sheets Paper Output Capacity 30 sheets Engine Life 50 000 Pages Toner Ini...

Page 111: ...Samsung Electronics Service Manual Exploded Views Parts List 5 2 5 1 Main 0 1 2 3 4 8 10 11 12 15 12 1 12 2 12 3 12 4 13 16 17 14 18 19 20 ...

Page 112: ... 1 Y 5 1 11 JC97 02978A MEA UNIT COVER LOWER 1 Y 5 1 12 JC97 02990A MEA UNIT FEED LOWER 1 Y 5 1 12 1 JC61 01980A GUIDE FEED LOWER 1 Y 5 1 12 2 JC63 01385A COVER DUMMY REAR 1 Y 5 1 12 3 JC66 01510A ROLLER IDLE 2 Y 5 1 12 4 6107 001277 SPRING ETC 2 Y 5 1 13 JC96 04644A ELA UNIT FRAME UPPER 1 Y 5 1 14 JC96 04529A ELA UNIT SCANNER 1 Y 5 1 15 JC97 02933A MEA UNIT CASSETTE 1 Y 5 1 16 JC96 04523A CARTRID...

Page 113: ...Samsung Electronics Service Manual Exploded Views Parts List 5 4 5 2 Scanner Unit 0 2 1 2 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 2 11 1 3 3 1 3 2 3 3 3 4 3 5 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

Page 114: ... FFC 1 Y 5 2 3 JC96 04532A ELA UNIT SCAN DRIVE 1 Y 5 2 3 1 JC61 01640A BRACKET MOTOR P SCAN 1 Y 5 2 3 2 JC66 01201A GEAR M PULLY 1 Y 5 2 3 3 JC67 00069A CAD M PULLY 1 Y 5 2 3 4 JC31 00080A MOTOR STEP 1 Y 5 2 3 5 6003 000269 SCREW TAPTITE 2 Y 5 2 4 JC61 00931A BRACKET P PULLY 1 Y 5 2 5 JC66 00713A PULLEY M IDLE 1 Y 5 2 6 6107 001194 SPRING CS 1 Y 5 2 7 JC39 00680A HANESS OPE 1 Y 5 2 8 JC97 02930A M...

Page 115: ...Samsung Electronics Service Manual Exploded Views Parts List 5 6 5 3 OPE Unit 0 1 2 3 4 5 ...

Page 116: ... List 5 3 0 JC96 04533A ELA UNIT SCAN OPE 1 Y 5 3 1 JC63 01333A COVER SCAN OPE 1 Y 5 3 2 JC63 01468A SHEET SCAN DIFUSSION 1 Y 5 3 3 JC61 02008A HOLDER LED MAIN 1 Y 5 3 4 0203 002250 TAPE DOUBLE FACE 1 Y 5 3 5 JC92 01892A PBA OPE 1 Y Drawer SEC_Code Description QT y Service Remark ...

Page 117: ...Samsung Electronics Service Manual Exploded Views Parts List 5 8 5 4 Cover Lower 0 1 2 3 4 4 1 4 2 4 3 ...

Page 118: ...LOWER 1 Y 5 4 1 JC63 01383A COVER LEFT 1 Y 5 4 2 JC63 01384A COVER RIGHT 1 Y 5 4 3 JC63 01436A COVER REAR 1 Y 5 4 4 JC97 03055A MEA UNIT COVER FRONT 1 Y 5 4 4 1 JC63 01382A COVER FRONT 1 Y 5 4 4 2 JC61 00060A SPRING ETC TS BLADE 1 Y 5 4 4 3 JC63 01434A COVER DOOR STAKER 1 Y Drawer SEC_Code Description QT y Service Remark ...

Page 119: ...Samsung Electronics Service Manual Exploded Views Parts List 5 10 5 5 Frame Upper 0 1 4 5 6 7 8 9 10 11 12 13 ...

Page 120: ...UM 4 Y 5 5 5 JC39 00761A HARNESS CRUM 1 Y 5 5 6 6003 000282 SCREW TAPTITE 4 Y 5 5 7 JC61 70958A SPRING ETC GUIDE TR 2 Y 5 5 8 JC61 02108A PLATE GUIDE DEVE 1 Y 5 5 9 JC61 70932A SPRING ETC GUIDE DEVE 1 Y 5 5 10 JC66 01545A LEVEL HANDLE UPPER 1 Y 5 5 11 JC62 00417A SEAL LSU 1 Y 5 5 12 JC63 01444A COVER DUMMY EXTRA 1 Y 5 5 13 JC62 00464A SEAL LSU REAR 1 Y Drawer SEC_Code Description QT y Service Rema...

Page 121: ...ce Manual Exploded Views Parts List 5 12 5 6 Frame Lower 1 0 1 3 5 6 7 8 9 10 11 12 13 14 16 20 21 22 23 24 25 26 28 27 29 30 31 32 30 31 32 33 34 35 36 39 38 36 35 37 40 1 40 2 40 3 40 41 42 43 44 45 46 47 45 49 50 51 52 76 77 ...

Page 122: ...Exploded Views Parts List Samsung Electronics Service Manual 5 13 Frame Lower 2 1 53 54 55 56 57 58 58 1 58 2 58 3 59 60 62 63 64 65 66 67 67 69 70 71 0 72 75 73 73 74 61 61 1 61 2 61 3 61 4 ...

Page 123: ... 1 Y 5 6 25 JC61 01548A HOLDER M CAM 1 Y 5 6 26 JC63 01416A GROUND HVPS 1 Y 5 6 27 JC72 00382B PMO BUSHING FEED 2 Y 5 6 28 JC66 00526A ROLLER FEED ROLLER 1 1 Y 5 6 29 JC66 01439A GEAR REGI 1 Y 5 6 30 JC72 41191B PMO BEARING SHAFT 1 Y 5 6 31 JC66 01435A GEAR FEED 1 Y 5 6 32 JC66 01436A GEAR DRV FEED 1 Y 5 6 33 JC61 01967A BRACKET_FEED 1 Y 5 6 34 JC66 01469A CAM PICKUP L 1 Y 5 6 35 JC61 01713A STOPP...

Page 124: ...RNESS INLET 1 Y 5 6 60 JC61 02114A BRACKET REAR 1 Y 5 6 61 JC97 02937A MEA UNIT HOLDER PICKUP 1 Y 5 6 61 1 JC69 00987A PAD FRICTION 1 Y 5 6 61 2 JC61 02076A HOLDER PAD 1 Y 5 6 61 3 JC63 00290A SHEET HOLDER PAD 1 Y 5 6 61 4 JC61 70911A SPRING ETC EXIT ROLL FD 2 Y 5 6 62 JC96 04622A ELA UNIT SOLENOID 1 Y 5 6 63 JC66 01575A LINK RAIL UPPER 1 Y 5 6 64 JC96 04715A ELA UNIT DRIVE 1 Y 5 6 65 JC39 00679A ...

Page 125: ...Samsung Electronics Service Manual Exploded Views Parts List 5 16 5 7 Main Drive 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15 15 ...

Page 126: ...7 5 JC66 01441A GEAR DRV FUSER OUT 1 Y 5 7 6 JC66 00340A GEAR HUB CLUTCH 1 Y 5 7 7 JC66 01800A GEAR_DRV FUSER IN 1 Y 5 7 8 6031 000023 WASHER PLAIN 1 Y 5 7 9 JC66 01440A GEAR DRV OPC 1 Y 5 7 10 JC66 01443A GEAR DRIVE PICK UP 1 Y 5 7 11 JC66 01447A GEAR RDCN FEED B 1 Y 5 7 12 JC66 01446A GEAR RDCN FEED A 1 Y 5 7 13 JC66 01442A GEAR DRV REGI 1 Y 5 7 14 6001 000130 SCREW MACHINE 3 Y 5 7 15 6031 00160...

Page 127: ...Samsung Electronics Service Manual Exploded Views Parts List 5 18 5 8 Fuser 0 3 18 17 4 5 1 15 11 9 27 28 29 30 34 33 31 22 14 7 21 19 10 25 6 24 16 26 26 2 32 18 13 20 12 32 35 36 ...

Page 128: ...JC63 01431A COVER FUSER 1 Y 5 8 16 JC66 00380A ROLLER M EXIT F UP 1 Y 5 8 17 JC72 00143A PMO GEAR_EXIT_DRV16 1 Y 5 8 18 JC66 01254A GEAR FUSER 1 Y 5 8 19 JC66 00600A ROLLER PRESSURE 1 Y 5 8 20 JC66 01531A ROLLER HEAT 1 Y 5 8 21 JC66 10901A BUSH 2 Y 5 8 22 JC61 02137A FRAME FUSER 1 Y 5 8 23 4712 001027 THERMOSTAT 1 Y 5 8 24 JC72 00382A PMO BUSHING TX 3 Y 5 8 25 JC66 01533A ACTUATOR EXIT 1 Y 5 8 26 ...

Page 129: ...Samsung Electronics Service Manual Exploded Views Parts List 5 20 5 9 Cassette 3 4 0 1 2 3 4 6 7 8 9 10 11 12 11 13 14 14 15 16 17 ...

Page 130: ...2A COVER CASSETTE 1 Y 5 9 7 JG66 40003A GEAR PINION 1 Y 5 9 8 6003 000264 SCREW TAPTITE 1 Y 5 9 9 JC61 02124A GUIDE SIDE L 1 Y 5 9 10 JC61 02125A GUIDE SIDE R 1 Y 5 9 11 JG61 70531A SPRING ETC LOCKER PLATE 2 Y 5 9 12 JC61 02128A GUIDE KNOCKUP R 1 Y 5 9 13 JC61 02127A GUIDE KNOCKUP L 1 Y 5 9 14 6107 001349 SPRING CS 2 Y 5 9 15 JC61 02080A PLATE KNOCKUP 1 Y 5 9 16 JC73 00141A RPR PAD CASSETTE 2 Y 5 ...

Page 131: ... C R SMPS HVPS D R S R T R REG REG Exit Sensor Feed Sensor CoverOpen S W 5VS 5V 24V 5V TRIAC Thermistor Fuser Thermostat LSU OPE CY8C214 34 KEY P C Pickup Clutch FAN A 1 20 D 0 15 5V 3 3V 1 8V Main Board Engine Frame Developer Unit Video CLK 19 75MHz 3 3V LED PT6961 CoverOpen S W 24V 24VS Motor Drv AN44060 Scan Motor CIS Scanner P_Empty Sensor 6 System Diagram 6 1 Block Diagram ...

Page 132: ...SIG 2 CIS_3 3V 3 DGND 4 CIS_3 3V 5 Vref 6 CIS_SI 7 CIS_CLK 8 12V 9 LED_B 10 LED_G 11 LED_R 12 DGND 13 N C 14 N C 15 DGND 16 5V 17 LED_INDICATOR 18 DGND 1 24VS 2 5V 3 DGND 4 nP_EXIT 5 THV_READ 6 nTHV_EN 7 nTHV_PWM 8 nMHV_PWM 9 nBIAS_PWM 1 3 3V 2 CRUM_DATA_IO 3 CRUM_CLK 4 DGND 1 FAN 2 DGND 1 24VS 2 5V 3 nP_FEED 4 5 24V 6 7 8 9 DGND 11 FUSER_ON_2 12 FUSER_ON_1 Connection Diagram SCX 4500 LED 13X5 DOT...

Page 133: ...1 Tool for Troubleshooting 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 Is...

Page 134: ...tor CPU Central Processing Unit dB decibel dBA decibel A dBM decibel milliwatt DC direct current DCU Diagnostic Control Unit DPI Dot Per Inch DRAM Dynamic Random Access Memory DVM Digital Voltmeter ECP Enhanced Capability Port EDC Embedded Diagnostic control EEPROM Electronically Erasable Programmable Read Only Memory EMI Electro Magnetic Interference EP electrophotographic EPP Enhanced Parallel P...

Page 135: ...hy place NVRAM nonvolatile random access memory OPC Organic Photo Conductor OP Operation Panel Equipment PBA Printed Board Assembly PCL Printer Command Language Printer Control Language PDL Page Discription Language PPM Page Per Minute PPS Pulse Per Second PS Post Script PTL Pre Transfer Lamp PWM Pulse Width Modulation Q PID Quick Printer Initiating Device Q ty quantity RAM Random Access Memory RO...

Page 136: ...ough room to open the printer trays covers and allow for proper ventilation see diagram below Provide the proper environment A firm level surface Away from the direct airflow of air conditioners heaters or ventilators Free of extreme fluctuations of temperature sunlight or humidity Clean dry and free of dust ...

Page 137: ...he sample patterns shown below are the standard test patterns used in the factory The life of the toner cartridge developer cartridge and printing speed are measured with the pattern shown below 5 The A4 ISO 19752 standard pattern samples are reproduced reduced to 70 of the actual A4 size ...

Page 138: ...imation Indication Initialized at toner change Exhauseted Exhauseted No Indication No Indication No Indication No Indication Transer Roller PickUP Roller 1K For Product 2K For Sale Toner Cartridge Fuser 50K page Simplex Exhauseted No Indication No Indication Replaced at Exhauseted 50K page Simplex 50K page Simplex Replaced at Exhauseted Replaced at Exhauseted Symptoms Criterion Remarks White Black...

Page 139: ... with same speed are brought into tenth model is added 1 Definition Code Description S Samsung C Copier Product Classification Alphabet Model abbriviation Feature Properties Division between code Digit X Fax 1 Speed of Engine If same speed models are released simultaneously higher model is added 1 at speed code If over 10 models with same speed are brought into tenth model is added 1 9 Main featur...

Page 140: ...d on Service manual Ass y Material and A S Only material Code are recognizable by product name Those are under type 2 and known by material properties and beginning letters of product name 7 6 3 F W Upgrade Method If F W needs Upgrade F W file and usbprn file are requested Check Ready condition with power ON 1 Paralle cable case Start Download Rom file with copy b file name fls lpt1 commend on Dos...

Page 141: ... CODE 4500 10XAZ GSPN Global Service Partner Network North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com ...

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