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SCX-4100 - Printertec

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1. Software WHQL Win 3 x No Win 95 Yes Win 98 amp WinME Yes Win NT 4 0 Yes Win 2000 Yes Win XP Yes Mac Yes Mac Printer Only Linux Yes Print Scan Printer Yes Printer driver only for WinXP WIA Scanner No Driver Printer SPL Package TWAIN Yes WIA No RCP Yes Remote Control Panel Only for upgrade FW PC FAX No Only available through PC Offset BOx Package and POP Yes Quick Reference guide Yes include Setup Guide and Function Guide Accessory Owner s manual Yes Electronic S W CD ROM 1 CD for User Manual Smar Thru 4 Print Driver Scan Driver RCP Toner Cartridge 1 EA Power Cable 1 EA L shape power cable Telephone Jack No Printer Cable No China Korea USB Russia Parallel cable Type One Piece Consumables How to install Front door open and front loading Toner Life Initial 1Kpages running 3Kpages Toner Count Level Sensor No Software Count No Samsung Electronics Service Manual Specifications Service Manual Samsung Electronics Summary of product 4 Summary of Product This chapter describes the functions and operating principles of the main component 4 1 Printer Components 4 1 1 Front View Document Cover Jam Cover Front Output Tray 5 Face down 7 Document Glass Front Paper Output Extension SS xu 90 of 2 0 4 Control Panel Front Cover Manual Feeder Guides yanual Feeder
2. Service Manual Samsung Electronics Service Manual Disassembly and Reassembly screw Then take out the Fan 2 Unplug the connector from the SMPS and remove 1 3 Unplug 1 connector from the Drive Ass y o o o lt cs E 3 d gt t9 o 7 3 0 gt 5 a lt gt S gt 28 2 lt Pen E o 0 5 2 N o co gt E lt x h gt n L o 02 S O Q 588 2 X Gib o OG o 5 5 o oa es Do o Son eo D o SQ Qo o eo e gt XI gt oT 5 5 288 o B Bs 3 Bs BO gt Boo 52920 SHO oc 98 c 232 gt 3 82 Sec ig SO Q S L 258 payo 6 gru B SOC oj 3528 5 9 ay t Ef 252 9 LO F T e zoo e Disassembly and Reassembly 5 11 Engine Shield Ass y 1 Before you remove the Fuser you should remove Rear Cover see page 5 2 Side Covers see page 5 3 Fuser Connector see page 5 7 5 12 Main PBA 1 Before you remove the Main PBA you should remove Rear Cover see page 5 2 Side Covers see page 5 3 Fuser Connector see page 5 7 Engine Shield Ass y see page 5 11 2 Remove the 14 screws securing the Engine Shield Ass y and unplug the all connectors Then remove the Eng
3. Access Time 15 nsec 4 3 4 Sensor input circuit 1 Paper Empty Sensing The Paper Empty sensor Photo Interrupter on the SMPS HVPS PBA is monitored by the CPU When the cassette is empty the printer displays a message on the LCD panel 2 MP Sensing Presence of paper in the MP tray is detected by operation of the MP Sensor Photo Interrupter on the SMPS HVPS PBA The CPU monitors this signal to recognize paper in the MP and paper is fed from MP if there is paper present 4 10 Service Manual Samsung Electronics Summary of product 3 Paper Feeding Toner Cartridge Sensing When paper passes the actuator on the feed sensor it is detected by the Photo interrupter Signal nP_FEED PIN 186 monitored by the CPU and this signal starts the process of creating the image after certain delay time If the feed sensor is not detected within 1 sec after paper is fed a paper Jam0 occurs Displayed on the LCD panel When a toner cartridge is inserted it also operates the Paper Feed sensor A message is displayed on the LCD id no cartridge is detected 4 Paper Exit Sensing This detects that paper exits cleanly from the set using an exit sensor on the engine board and actuator on the frame The monitors signal P_EXIT PIN 84 and detects the on off time of the exit sensor and if jam status is detected then JAM2 is displayed the on the LCD panel 5 Cover Open Sensing The Cover open sensor actuator is located on the front
4. COVER M PANEL JC63 00474A lt AR lol Samsung Electronics Service Manual Exploded View amp Parts List 8 6 Drive Unit Assembl Drive Unit Assembly Parts List SA Service Available Service available X Service not available Description ELA UNIT DRIVE SEC Code JC96 03138A BRACKET P GEAR 1400 JC61 00598A GEAR RDCN 53 26 JC66 00388A GEAR RDCN 113 33 JC66 00391A GEAR RDCN 57 18 JC66 00389A WASHER PLAIN 6031 000023 BRACKET P MOTOR 1400 JC61 00599A GEAR RDCN 103 41 JC66 00390A GEAR RDCN 90 31 JC66 00392A MOTOR STEP 7 5 JC31 00020A 0 1 2 3 4 5 6 7 8 9 1 PMO IMPELLER DRV JC72 00825A Service Manual gt PO Pp Samsung Electronics Exploded View amp Parts List 8 7 Cassette Unit Assembl No S 5 S S o E o u Samsung Electronics Exploded View amp Parts List Cassette Unit Assembly Parts List Description MEA UNIT CASSETTE_MB SEC Code JC97 01914A Service available X Service not available P 5 A Service MA Remark ADJUST M CASSETTE_L JC70 00300A ADJUST M CASSETTE_R JC70 00301A GEAR
5. rog n e pp a p tr ps s oadrr 5 2 uis n oa m d t E F i opn E h 1 r s 0 a petya bd e VM d t e P rO h ns t np t e v t ho f0X a 0 0 em i a c4 FAO 2q n S8 i P PSO o 30a or Y dr e tuo t F 1663 rhP e mo dt X pe m lAacc a 70 Z 1 i ine 5 e sn o Pd X1 o ic sa y x Pk i POO P h Yb 010 Cc e Sco o o ynn Xnj AC H a XtOrP ow ersIco 5 10 PlP1alIe e a tid eP tF t S pn Fert e so 55 w 10h 05 p o r ii TP n1y ne 1 C x s seo 01c i o8 BW OUCH ue k EX t2 i Sonn 151 ir r Q o X gr ny tu 0 mxsar uj a 0 p 8 ur f o t a iP P no e i t t W 5A iyn t I stn rtx n te s ev S n Xen eo td 1 Ui C 437 e SPX m uros3 is 5 M at surn2 u i X tH7 res c p eo W 5 oe Q FOP DN em xxuq e t 199 S os on d b so 6p S 6A HisT 0 J t R 6 ei T rJ F Bui OP MM q t i O XB iO hn t r i a ses m g F I Soy ors fE 0 p gno t H rs nzEk e jea t E 00 wag e S6 n oc XPC d X er 5 t o t idt S 0 P e t 11 R XX 9 i e fg 5 P C om X h te C os ta e pa 00 n t00 0ZdI dno X w ae or R t 1 1 Xa B 5 yr S 8Y X toe ie t r B 0 r r d t 1 Ei etopa h n s7 c 7 S 0010 t gar FM d 1 5 0 X o pe e current printing page js 1 of 1 Service Manual Samsung Electronics Reference Information 2 4 2 A42 Pattern
6. 1 All of Items 1 2 3 Co a Clean the contacts on the toner cartridge b Clean the contact points on the set c If the terminal assembly is damaged repair or replace the terminals in the set or replace the cartridge In Item 2 This is particularly related to problems with the charge roller contact Pay close attention to the charge roller contacts In Item 3 This is particularly related to problems with the developer bias voltage contact Pay close attention to the charge roller contacts Samsung Electronics Service Manual Troubleshooting 7 6 Software Problems Causes and Solutions 7 6 1 The printer is not working 1 e Description While Power turned on the printer is not working in the printing mode Check and Cause Solution 1 Run Self Test Mode using the menu buttons print the 1 If the test print works that means there are no test page Menu Enter Enter problems in the printer itself If the test printing does not work that means the printer is faulty and the problem is not due to computer software or driver settings 2 Check that the PC and the printer are properly 2 Replace the printer cable If the problem is not connected and that the toner cartridge installed solved even after the cable is replaced check the correctly amount of the remaining toner refer to Toner Cartridge Service 7 6 Page 7 25 3 Printing is not working in the Windows 3
7. DIGITAL LASER MFP SCX 4100 SER VICE Manual DIGITAL LASER MFP CONTENTS 1 eo on og 9 m Precautions Reference Information Specifications Summary of product Disassembly and Reassembly Alignment and Adjustments Troubleshooting Exploded Views and Parts List Block Diagram 10 Connection Diagram Precautions 1 Precautions In order to prevent accidents and to prevent damage to the equipment please read the precautions listed below carefully before servicing the printer and follow them closely 1 1 Safety Warning 1 Only to be serviced by appropriately qualified service engineers High voltages and lasers inside this product are dangerous This printer should only be serviced by a suitably trained and qualified service engineer 2 Use only Samsung replacement parts There are no user serviceable parts inside the printer Do not make any unauthorized changes or additions to the printer these could cause the printer to malfunction and create electric shock or fire haz ards 8 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 laser product con forming to the requirements of IEC 825 Class laser products are not considered to be hazardous The laser system and printer are designed so there is never any human access to laser radiation above a Cla
8. 4 Remove 2 screws then remove the Regi Solenoid and Pick up Ass y Feed Bracket and Gears See page 5 14 steps 4 6 Rear Cover see page 5 2 Side Covers see page 5 3 Scanner 5 see page 5 4 Middle Cover see page 5 6 LSU see page 5 9 Drive Ass y see page 5 10 you should remove 5 16 Pick Up Roller amp Solenoid 1 Before you remove the Pick Up Roller and Solenoid 2 Remove the Pick up Gear Ass y as shown below 3 Remove the Pick up Ass y as shown below Samsung Electronics Pick up Gear Disassembly and Reassembly Service Manual Samsung Electronics Alignment amp Adjustments 6 Alignment and Adjustments This chapter describes some of the main service procedures including Using the EDC mode Clearing paper jam and test patterns Much of this chapter is also included in the user s guide 6 1 Engine Test Mode The Engine Tests Mode supplies useful functions to check the condition of the engine It tests the condition of each device and displays the result of the test on the LCD It is classified into 5 functions 0 4 and are shown below 6 1 1 To enter the Engine Test Mode To enter the Engine Test mode Menu Exit Darkness Menu Exit Press 9 8 in sequence and the LCD briefly displays Engine Test Diagnostic the machine has entered Engine Test Mode To e
9. 6 a y y r A 5X si nc q 0 e u T c c h M 4 ji o B 5 n x g 0 X 5 o D ro n 9 0 d x5 ws o 0 V 0 e R 3 i ni W KP 8 YM d h G h r 1 t 2 2 x Q 1 5 n n X x E j 2W AI 1r e f i ht 0 U ir i A t J4 x c ps o 0 J 6 1 0 2 h Y S t N F e n 7 0 0 j US 0 n L a 1t e i X V B h 0 2 A 7 K j k m o ao N 9 mes Z x re x B gei H n r psn x3 5 p xs x H T S e con 8 x LO 1 V 4 0 5 t 0 tO O y K t q r x L M 9 P ng 2xXV f O n x r 6 n i ne e7 Y T 2 o 8E D i mp eu t 0 6 G f L S b J tr g t o E tD me R x S r t4 4 8 np 7 a r i r tt b 5 g 0 0 I F c 0 7 0 85 n C B p6 a e i m F n a R I t S u z F r S mg X U k e tH TF R 9 x 0 t xr 2 0 5 3 ea a x 3 xnr P P C S 0 i W 9 XO x o 0 B X J x t d w n 6 X a K 0 n4 N v X k 0 1 x r 170 t tJ E o 2 7 m x g 7 9 t XH1 r 9 P F YPt x D 0 P 0 P x5 a n f 0 5 W 5M i 02 1 u a8 a i a a B Vv t Q Xt 505 5 T rt C k N xx 1 M 5 g V e current Printing page 15 1 Of 1 Samsung Electronics Service Manual Reference Information 2 4 3 A4IDC 5 Patten INTEROFFICE MEMORANDUM TO Cathy Scott FROM Lane Wolters SUBJECT The Typical Printed Page DATE 07 14 09 What does the typical laser printer document l
10. JC96 03137B FRAME M BASE JC61 00579A GUIDE P PAPER JC61 00943A PLATE P SAW JC61 00604A GUIDE M TR RIB JC61 00933A GEAR EXIT F DOWN JC66 00038A HOLDER BEARING EXIT F DOWN JC61 00829A ROLLER EXIT F DOWN JC66 00378A SPRING CS 6107 001163 Spring Exit PMO GEAR_EXIT_DRV16 JC72 00143A o SID AJAJ NJ HOLDER M EXIT F DOWN JC61 00582A PMO ROLLER EXIT MAIN JC72 41081B PMO ROLLER EXIT FR JC72 41082B MEC TERMINAL JC75 00049A IPR P TERMINAL CON JC70 00312A IPR P TERMINAL CR JC70 00313A HOUSING TERMINAL JC61 00592A PMO LOCKER CST JC72 00983A PMO ACTUATOR CVR OPEN JC72 00974A PMO PLATE GUIDE DEVE R JC72 00985A SPRING ETC GUIDE DEVE JC61 70932A IPR P GROUND GUIDE PAPER JC70 00458A PMO PLATE GUIDE DEVE L JC72 00984A PMO ACTUATOR FEED JC72 00976A PMO ACTUATOR EMPTY JC72 00975A PMO ACTUATOR MANUAL JC72 00977A IPR P GROUND EARTH TR JC70 00309A SPRING ETC 6107 001162 ROLLER FEED ROLLER 1 JC66 00526A PMO BUSHING FEED JC72 00382B ROLLER FEED JC66 00598A SPRING TS 6107 001165 Spring act Manual IPR P EARTH TRANSFER JC70 00307A HOLDER PTL JC61 00583A LENS PTL JC67 00027A BUSH M TRL JC61 00588A SPRING ETC TR LHAWK JC61 00047A SPRING TS 6107 001165 Spring a
11. displays on the bottom line 3 Press Start Enter 4 When the display asks you to confirm your selection press Start Enter The machine prints a cleaning page Toner particles on the drum surface are affixed to the paper 5 If the problem remains repeat steps 1 through 4 Service Manual Samsung Electronics Alignment amp Adjustments 6 7 Consumables and Replacement Parts The cycle period outlined below is a general guideline for maintenance The example list is for an average usage of 50 transmitted and received documents per day Environmental conditions and actual use will vary these factors The cycle period given below is for reference only COMPONENT REPLACEMENT CYCLE Pick up Roller 60 000 Pages Paepr Feeding Roller Friction Pad 60 000 Pages Transfer Roller 60 000 Pages Fuser 60 000 Pages Toner Cartridge Original 1 000 Pages Replacement 3 000 Pages 6 8 The LCD Status Display by Each Error LCD Solutions Door Open The front or rear cover is not securely Close the cover until it locks into place latched JAM 1 or The toner cartrige is not installed Install the toner cartridge No Cartridge Low Heat Error There is a problem in the fuser unit Unplug the power cord and plug it back in Tech Mode Reference Open Heat Error Over Heat LSU Error A problem has occurred in the LSU Unplug the power cord and plug it back in Laser Scanning Unit
12. GND PIN 5 6 GND PIN 8 9 10 GND 8 9 10 3 Rated Output Voltage 5V 5 24V 10 15 24VS 10 1596 4 75 5 25V 21 6 27 46V 21 6 27 46V 4 Max Output current 1 0A 0 5A 1 0A 5 Peak Loading voltage 1 5A 1 0A 15A 1ms 6 Ripple noise voltage Under 150m Vp p Under 500m Vp p Under 500m Vp p 7 Maximum output 5 0N 12W 24W 3 Consumption Power CH3 24VS KAG 02A OA AVG 60 Wh ING myo o ii bd ze 3 Sleep Mode AVG 10 Wh 4 Length of Power Cord 1830 50mm 5 Power Switch Fitted 14 Service Manual Samsung Electronics Summary of product 6 Feature Insulation resistance over 50M Q at DC500V Insulation retest pressure Must be no problem within 1min at 1500Vzc 10mA Leakage voltage under 3 5mA Running voltage under 40A peak at 25 Cold start Under 60A peak in other conditions Rise Time Within 2Sec Fall Time Over 20ms Surge Ring Wave 6KV 500A Normal Common 7 Environment Condition Operating temperature range 0 40 Storage temperature range 25 85 Storage humidity range 3096 9096 RH Operating atmospheric pressure range 1 8 EMI Requirement CISPR FCC CE MIC C Tick 9 Safty Requrement 950 UL1950 CSA950 C UL Semko iK CB CCC CCIB GOST EPA 4 4 3 Fuser AC Power Control The Fuser HEAT LAMP is heated using AC power The AC power is controlled by a Triac THY1
13. Ground Zener diode are defective or open circuit set inside left side 2 Remove contamination of the terminals on the toner cartridge and the unit 7 1 16 Blank Page Print out 2 1 Blank page is printed Description 2 or several blank pages are printed 3 When the printer turns on several blank pages print Check and Cause Solution 1 Abnormal solenoid 1 Perform the engine self test using TECH Mode to check if the Solenoid is normal If the problem persists replace the main PBA Service Manual Samsung Electronics Troubleshooting 7 2 Copy Problems 7 2 1 White Copy Description Blank page is printed out when copying Check and Cause Solution 1 Check the Scanner Cover is properly closed 1 Room light can pass through a thin original 2 Check shading profile 2 Redo shading profile in the tech mode 3 Check white black reference voltage on Main PBA e q 3 Replace CN7 if it is defective CIS SI CIS at CN7 CN7 Pin6 CIS SI Or Check the FFC CN7 Pin7 CIS CLK 7 2 2 Black Copy Description Black page is printed out when Copying Check and Cause Solution 1 Check for CIS problem on the Main PBA 1 Check the CIS harness is properly connected 2 Check shading profile 2 Redo shading profile in the tech mode Service Manual Samsung Electronics 7 2 3 Abnormal no
14. age ESDs 6 Do not remove a replacement ESD from its protective packaging until immediately before installing it Most replacement ESDs are packaged with all leads shorted together by conductive foam aluminum foil or a compa rable conductive material 7 Immediately before removing the protective shorting material from the leads of a replacement ESD touch the pro tective material to the chassis or circuit assembly into which the device will be installed 8 Maintain continuous electrical contact between the ESD and the assembly into which it will be installed until com pletely plugged or soldered into the circuit 9 Minimize bodily motions when handling unpackaged replacement ESDs Normal motions such as the brushing together of clothing fabric and lifting one s foot from a carpeted floor can generate static electricity sufficient to damage an ESD Service Manual Reference Information 2 Reference Information This chapter contains the tools list list of abbreviations used in this manual and a guide to the location space required when installing the printer A definition of tests pages is also included 2 1 Tool for Troubleshooting The following tools are recommended for safe and smooth troubleshooting described in this service manual E M DVM Digital Volt Meter Cleaning Equipments Standard Indicates more than 3 digits Standard An IPA Isopropyl Alcohol dry wipe tissue or a gentle neutral detergent a
15. in the jam cover continue to step 6 6 Open the rear cover 7 Remove the jammed paper by gently pulling it straight out 8 Close the rear cover 9 Open and close the front cover to resume printing Service Manual Samsung Electronics Alignment amp Adjustments 6 3 3 In the Fuser Area or Around the Toner Cartridge NOTE The fuser area is hot Take care when removing 2 Remove the jammed paper by gently pulling it paper from the machine straight out 1 Open the front cover and lightly push down on the cartridge then pull to take it out 3 Replace the toner cartridge and close the front cover Printing automatically resumes 6 3 4 In the Manual Feeder Bypass Jam appears on the display when you try to print using the manual feeder and the machine does not detect paper due to no paper or improper paper loading The error message may also occur when the paper is not properly fed into the machine through the manual feeder In that case pull the paper out of the machine Service Manual 65 Samsung Electronics Alignment amp Adjustments 6 4 Printing the System Data List Your machine can print the system data report which shows the status of the user selectable options You may print this list to confirm your changes after changing any settings To print the system data list 1 Press Menu Exit until Report appears on the top line of the display System Data appears on the b
16. 8 1 Main Assembly page 8 2 8 2 Frame Assembly 8 4 8 3 Scanner Unit Assembly page 8 7 8 4 Fuser Unit Assembly 8 9 8 5 Middle Cover Unit Assembly 8 11 8 6 Driver Unit Assembly page 8 13 8 7 Cassette Unit Assembly page 8 14 Deal drawings and service parts are declared for the items with higher rate of inferiority and replaceable in the level of service description only If inferiority occurs you can replace the parts by the unit declared in deal drawings and service items Way to observe Part Code amp Description Part code and Description is quoted and controlled by determined standard Refer to this determined standard it will help with ordering Part There are two kinds of Part code inscription type 0000 000000 ex 2007 007961 R CHIP 7700 _00000 JB96 01268A ELA UNIT COVER TOP L It shows part specific figure character alphabet 1 Controlled by Company It can be commonly used for all kinds of product SEC produce Mostly electronics Parts Type 2 Controlled by Division It is used or one produce Mostly Mostly mechanical Parts A S privately used part It is on
17. ADJUST M MANUAL R JC70 00482A ADJUST RACK M MANUAL JC70 00304A GEAR RACK PINION JC66 00387A LABEL P EXTRACT DEVE JC68 01085J SCREW TAPTITE 6003 000264 MEA UNIT CASSETTE MB JC97 01914A SCX 4100 UNIT HUMMING_VE LSU JC59 00018C MEA ETC TR not assign ROLLER TRANSFER JC66 00725A GEAR TRANSFER JC66 00395A PPR SPACER TR JC72 00851A ELA UNIT DRIVE JC96 03138A ELA UNIT COVER PLATEN JC96 03050A CBF JARMESS LSU JC39 00242A FAN DC 3103 001085 MAIN CONTROLLER JC92 01594A MEA UNIT SHIELD ENGINE JC97 01792A BRACLET P INLET JC61 00601A SMPS V1 110V JC44 00072A SMPS V2 220V JC44 00073A CBF HARNESS ENGINE JC39 00240A amu AA SS SHA ARA 0 SHS SA KK Samsung Electronics Service Manual Exploded View amp Parts List 8 2 Frame Assembly MW ON Transfer Roller Service Manual Samsung Electronics Exploded View amp Parts List Frame Unit Assembly Parts List oe SA Service Available O Service available X Service not available Description ELA UNIT FRAME LOWER 110V SEC Code JC96 03137A ELA UNIT FRAME LOWER 220V
18. Clean the window with a clean cotton swab If dirt is inside the LSU replace LSU 2 Replace the toner cartridge 3 Clean the exposure window 4 Open the front cover and check the ribs that correspond to the position of the voids Remove if found 5 If the problems are not solved replace the toner cartridge 6 Replace the transfer roller Samsung Electronics Service Manual G Troubleshooting 7 1 3 Horizontal Black Bands Description 1 Dark or blurry horizontal stripes occur in the printing periodically These may occur at regular intervals down the page Digital Print Digital Printer Digital Printer Digital Print Check and Cause Solution 1 Bad contacts on the toner cartridge high voltage terminals 2 The rollers in the toner cartridge may be contaminated Charge roller 37 7 mm Supply roller 47 8mm Develop roller 35 2 mm Transfer roller 45 3 mm 7 1 4 Black White Spot 1 Clean all HV terminals on the cartridge and on the set frame Ensure all toner or paper dust particles are removed 2 Clean the right Gear that has relatively small tooth gap on the OPC 3 If the problem persists replace the toner cartridge Description 1 Dark or blurry black spots occur periodically in the printing 2 White spots occur periodically in the printing Digital Printer Digital Printer Digital Printer Digital Printer Bigit
19. JC39 00358A CIS MODULE 0609 001214 SLIDER CIS JC66 00714A RA IPR CARRIAGE CIS JC70 00480A HOLDER CIS JC61 00930A SCREW TAPTITE 6003 001064 BELT SCANNER JB66 00007A IPR SHAFT CIS JC66 00718A CAP PULLEY JC67 00069A GEAR M PULLEY JC66 00721A SCREW TAPTITE 6003 000269 BRACKET SCAN MOTOR JC61 00952A MOTOR STEP SCAN JC31 00035A BRACKET SCAN L JC61 00941A PULLEY IDLE JC66 00713A SPRING ETC BELT 6107 001194 BRACKET PULLEY JC61 00931A COVER M SCAN LOWER JC63 00453A SCREW TAPTITE 6003 000269 SCREW TAPTITE 6003 000196 SHEET SCAN LOWER JC63 00459A CBF HARNESS OPE JB39 40532A LABEL P SHADING JB68 00644A 5 Ss INA AIN NAAN ARA RAR SN gt lt lt X XX x gt lt X OK gt lt Service Manual Samsung Electronics Exploded View amp Parts List 8 4 Fuser Unit Assembl 24 Service Manual Samsung Electronics Exploded View amp Parts List Fuser Unit Assembly Parts List Description ELA HOU FUSER 220V SEC Code JC96 03135B Service available X Service not available SA Service Available J Q ty ELA HOU FUSER 110V JC96 03135A COVER M FU
20. Parts of the image are not printed Periodically a tick tick noise occurs OK Lack of toner so the life is nearly expired Some part of image is not printed Shake the toner cartridge and then recheck 1 NG clean the LSU window with a cotton swab then recheck 2 OK Lack of toner so the life is nearly closed Periodically a noise like tick tick occurs Measure the time between ticks 4 White vertical stripes on the whole or part of the page Shake the toner cartridge and then recheck OK Lack of toner so the life is nearly expired toner cartridge Perhaps up to 100 pages left before out of toner 2 For item 2 If image quality improves after cleaning the LSU window then the toner cartridge is normal Contamination on the LSU window has caused image quality problems 3 For item 3 If the time between ticks is about 2 seconds the toner inside the toner cartridge is almost exhausted Purchase and replace with a new toner cartridge Perhaps up to 200 pages left before out of toner 4 For item 3 This is a phenomenon caused by lack of toner so replace the toner cartridge Toner Contamination Toner contamination of the printed page at regular intervals down the page Random Toner contamination over the whole or large parts of the paper surface Contamination at regular intervals a Check the distance between contamination marks b
21. Remove 1 screw at the front of the unit Unclip the Cover you should remove right cover along the top edge and remove it from the Rear Cover see page 5 2 Frame Assembly Front Cover see page 5 2 Left Cover 2 Remove 1 screw at the front of the unit Unclip the right cover along the top edge and remove it from the Frame Assembly Service Manual Samsung Electronics Disassembly and Reassembly 5 4 Scanner Ass lt Caution gt 1 Before disassembling the Scanner Ass y first lift 2 Take care not to trap your fingers or hand in the it carefully at the front edge The support lever mechanism will automatically raise into position 5 4 1 Remove Scanner Ass 1 Before you remove the Scanner Ass y you should 3 Carefully lift the Scanner Ass y from the base taking remove care to thread the cables through the frame Rear Cover see page 5 2 Side Cover Left Cover Right Cover see page 5 3 Scanner Ass y 2 Remove the 2 connectors from the main PBA and release the ground wire from the Motor Drive Ass y as shown below 54 Service Manual Samsung Electronics Disassembly and Reassembly 5 4 2 Dismantle Scanner Ass y lt Caution gt 1 Before disassembling the scanner module remove the 2 plastic spacers from each end of the scanner module 1 Lift the Platen Cover upw
22. Replace if necessary 1 Recording paper is jammed in front of or inside the fuser Description 2 Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator Feed Check and Cause Solution 1 If the paper is completely fed out of the printer but Jam 2 occurs The Exit sensor may be defective After the paper is completely discharged the Exit sensor actuator should return to its original position to shut the photo sensor It may Stick open or return only slowly due to contamination be paper debris or foreign objects 2 If the paper is rolled in the Fuser Roller This occurs when a Guide claw is broken away damaged or deformed It occurs when the Spring of a Guide claw is broken or damaged It occurs when the Heat Roller or Pressure Roller is seriously contaminated with toner 1 Check if the exit sensor actuator is defective Check if the actuator exit is deformed Check if the lever part is deformed Check whether burrs occur in the assembly part of the exit actuator and if the actuator operates smoothly Check if foreign objects or paper debris are preventing the correct operation of the actuator If the paper is stuck in the fuser disassemble the fuser and remove the jammed paper and clean the surface of the pressure roller with dry gauze Check all ribs claws and springs Samsung Electroni
23. Save Yes 5 10 15 30 45min Resolution Normal 600 x 600 dpi RET No Toner Save Yes LCD Only Toner Save On Off Setting method is in the Menu Memory 8MB FPOT From Stand by Approx 12 seconds From Cold Status Less than 54 seconds Duplex Print N A Printable Area 208 x 273 mm Letter Halftone Gray Scale 256 levels 3 3 Scan Specification toms 770 Remarks SCAN Scan Method Color CIS Scan Speed through Lineart Halftone 72 sec Platen Gray 72 sec Color 40sec 150 sec 75dpi 300dpi Resolution Optical 600 600dpi Enhanced 4800dpi 4800dpi USB 2400dpi 2400dpi Parallel Halftone 256level Scan Size Max Document Max 216mm 8 5 Width Effiective Scan Max 208mm 8 2inch Width Scan to E mail Image OCR WEB through PC gt Through PC means from SmarThru4 application Scan Depth Color 24 bit Mono 1bit for Lineart Halftone 8 Bit for Gray scale Service Manual Samsung Electronics Specifications 3 4 Copy Specification em Remarks COPY Copy Quality Selectionor Text 600x300dpi Original Image type Text Photo 600x300dpi selection Mode Photo 600x600dpi for Platen FCOT Stand by Approx 12 seconds From Cold Status Less than 54 seconds Copy Speed Letter SDMC at all mode 15cpm Ltr 14cpm A4 SDMC Single Document Multiple Copy Resolution Scan 600 600dpi Print 600 600dpi Zo
24. a 3 o S 2 OG gt 22 49 E S a x o 05 0 e Bei E ERO 8 O CO on gt gt SsoS D o E I D o 5 o 7 ct 222282 o o 0 zi o c S 5 2 a iol a e Disassembly and Reassembly Feed Bracket 4 Remove 3 screws from the Feed Bracket and take it out r Feed Gear2 5 Remove the Idle Gear and Feed Gear2 COR see page 5 3 see page 5 4 10 see page 5 2 y IP Middle Cover see page 5 6 LSU see page 5 9 Drive Ass y see page 5 Rear Cover Side Covers Scanner Ass remove 2 Remove 2 screws from the Guide Paper and take it out 1 Before you remove the Feed Roller you should 5 15 Feed Roller Service Manual as shown below y Idle Gear 6 Remove the Feed Gear 1 Ass Feed Gear1 Feed Idle shown below 3 Pull up the Feed Idle Bush and Feed Idle Shaft as Samsung Electronics Samsung Electronics Feed Roller1 Feed Roller below 7 Remove the Feed Roller and Feed Roller1 as shown Disassembly and Reassembly S 3 5 S o v Service Manual 67 Disassembly and Reassembly Pick Up Solenoid Be mx D Go 3 x FIN Solenoid Regi Solenoid
25. between Switch and main PBA 1 Use TECH mode cover sensor test to check cover switch operation Check and replace switch if necessary 2 Replace the front cover 3 Replace the Main Control board or Cover Open S W as necessary Service Manual Samsung Electronics Troubleshooting 7 4 7 No error message when the cover is open Description The Cover Open message does not appears on the LCD even when the print cover is open Check and Cause Solution 1 The Open Cover microswitch may be stuck or faulty 1 Use TECH mode cover sensor test to check cover switch operation Check and replace switch if necessary 2 Check the connector and cables between Switch and main PBA 2 Replace the Main Control board or Cover Open S W as necessary Service Manual 5 Samsung Electronics Troubleshooting 7 4 8 Defective motor operation Description Main motor is faulty and paper does not feed into the printer resulting in Jam 0 Check and Cause Solution 1 The main motor harness or Motor PCB may be faulty 7 4 9 No Power 1 Check the motor harnesses and connectors replace if defective If the problem persists replace the main PBA Note Check motor operation using EDC Mode Description When system power is turned on the LCD panel does not come on Check and Cause Solution 1 Check if the power input and SMPS output are normal 2 LCD panel
26. can lead to overheating and cause a fire 11 Do not position the printer in direct sunlight This will cause the temperature inside the printer to rise possibly leading to the printer failing to work properly and in extreme conditions could lead to a fire 12 Do not insert any metal objects into the machine through the ventilator fan or other part of the casing it could make contact with a high voltage conductor inside the machine and cause an electric shock 3 Service Manual Precautions 1 2 3 Handling Precautions The following instructions are for your own personal safety to avoid injury and so as not to damage the printer 1 Ensure the printer is installed on a level surface capable of supporting its weight Failure to do so could cause the printer to tip or fall 2 printer contains many rollers gears and fans Take great care to ensure that you do not catch your fingers hair or clothing in any of these rotating devices 3 Do not place any small metal objects containers of water chemicals or other liquids close to the printer which if spilled could get into the machine and cause damage or a shock or fire hazard 4 Do not install the machine in areas with high dust or moisture levels beside on open window or close to a humidifier or heater Damage could be cause 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 Disassembl
27. compo nents you must use extreme caution The close proximity of cables to moving parts makes proper routing a must If components are removed any cables disturbed by the procedure must be restored as close as possible to their original positions Before remov ing any component from the 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 toner 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 components are in their proper position Releasing Plastic Latches Many of the parts are held in place with plastic latches The latches break easily release them carefully To remove such parts press the hook end of the latch away from the part to which it is latched Samsung Electronics Service Manual E Disassembly and Reassembly 5 2 Front and Rear Cover Units 1 Take the Cassette out of the printer 3 Remove the 4 screws securing the Rear Cover and remove it as shown below 2 Remove the Front Cover in the direction of arrow Service Manual Samsung Electronics Disassembly and Reassembly 5 3 Side Covers 1 Before you remove the Side Cover Left Cover Right 3
28. cuts off the power to the heat lamp to prevent overheating fire when the heat lamp or heat roller overheats 4 2 4 2 Temperature Detecting Sensor Thermistor The Thermistor detects the surface temperature of the heat roller this information is sent to the main processor which uses this information to regulate the temperature of the heat roller 4 2 4 3 Heat Roller The surface of the Heat Roller is heated by the Heat Lamp As the paper passes between the Heat and Pressure rollers the toner is melted and fixed permanently to the paper The surface of the roller is coated with Teflon This ensures that toner does not adhere to the roller surface 4 2 4 4 Pressure roller The Pressure Roller mounted under the heat roller it is made of a silicon resin and the surface of the roller is tubed with Teflon This ensures that toner does not adhere to the roller surface Service Manual 45 Samsung Electronics Summary of Product 4 2 4 5 Safety Relevant Facts To prevent overheating 1st protection device Hardware cuts off when overheated 2nd protection device Software cuts off when overheated 3rd protection device Thermostat cuts off mains power to the lamp Safety device Fuser power is cut off when the front cover is opened LSU power is cut off when the front cover is opened The temperature of the fuser cover s surface is maintained at less than 80 C to protect the user and a caution label is attached where the customer ca
29. sl ala gt lt Service Manual Samsung Electronics Fuser Unit Assembly Parts List Description WASHER PLAIN SEC Code 6031 001051 Exploded View amp Parts List SA Service Available available X Service not available Q ty SA Remark LABEL R HV FUSER JC68 00407A SCREW TAPTITE 6006 001078 SCREW MACHINE 6006 001193 SCREW TAPTITE 6603 000269 SCREW TAPTITE 6003 000196 Samsung Electronics Service Manual Samsung Electronics 8 5 Middle Cover Unit Assembl Exploded View amp Parts List Service Manual Middle Cover Unit Assembly Parts List Description MEA UNIT COVER MIDDLE SEC Code JC97 01958A Exploded View amp Parts List SA ee n E ML UR ELS O Service available X Service not available Service Available Q ty Remark COVER M MIDDLE JC63 00473A PMO STACKER JC72 01340A STOPPER M LEVER JC61 00949A SPRING ETC TS CHARGE APOLLO JC61 00026A PMO SUB M STACKER JC72 01343A PMO BUSHING_F DOWN JC72 00387A WINDOW M LCD JC64 00153A KEY M_START JC64 00151A KEY M_STOP JC64 00150A AJA KEY M MENU JC64 00152A PBA SUB PANEL JC92 01586A
30. specification 2 The face of paper is curled 2 Ensure paper is stored properly to prevent curl Note To remove paper rolled in the OPC Remove the toner cartridge from the set taking care not to touch the green surface Use the gearwheel at the side to rotate the OPC drum and pull the paper from the cassette Clean fingerprints on the OPC gently with soft tissue taking care not to scratch the surface Service Manual Samsung Electronics Troubleshooting 7 4 Printer Faults Causes and Solutions 7 4 1 Fuser Error Description A message Open Heat Error Over heat Heating Error is displayed in the LCD panel Check and Cause Solution Thermostat fuser power cable or heat lamp is open circuit 2 Thermistor is open circuit 3 Heat lamp ON OFF test 4 Drive gear melted 7 4 2 LSU Error 1 Replace the whole fuser assembly if the thermostat is open circuit 2 Replace the whole fuser assembly if the ther mistor sensor is faulty 3 Replace the fuser Description message PMOTOR ERROR HSYNC ERROR is displayed in the LCD panel Check and Cause Solution 1 LSU cable or connector faulty 2 LSU motor is faulty 3 Check the HSYNC signal Use TECH mode to test the LSU Replace the LSU Replace a main board if the same error persists after replacing a LSU Service Manual Samsung Electronics Troubleshooting 7 4 3
31. the transfer roller forcing toner to transfer back to the to OPC drum Output Voltage 1000VDC 300V 150V Error Smudges and toner contamination on the reverse side of the printed page 4 Developing Voltage DEV Function It is this voltage that develops toner with on to the section of the OPC drum surface exposed by the LSU Laser Scanning Unit When printing the exposed voltage on the OPC is 180V unexposed is 970V and the exposing voltage on the DEV is 330V Therefore toner with polarity is developed onto an exposed section of the OPC Output voltage 200V 600V DC 20V Error a If DEV is GND print density gets extremely low b When DEV is floating due to poor connection between the frame and cartridge contacts etc print density gets extremely high 5 Supply Voltage SUP Function It is this voltage that supplies toner to the developing roller Output voltage 350V 750V DC 50V Use ZENER Error a When SUP is GND print density gets extremely low b If SUP is floating due to poor connection between the frame and cartridge contacts etc density gets extremely low such that it is hard to see toner with the eyes 6 OPC Ground ZENER Voltage Function It is this voltage that prevents image contamination under low temperature and low humidity environment conditions When a set prints without an output voltage 130V DC 15V is maintained on OPC ground 130V ZENER diode is connected to O
32. A Paper Tray Service Manual 41 Samsung Electronics Summary of Product 4 1 2 Rear View a 777 Rear Output Slot pum SL Face up Rear Cover Power Switch Power Cord Connector 2 Service Manual Samsung Electronics 4 1 3 Control Panel Menu Exit Start Enter 900 No of Darkness Copies Stop Clear ere Summary of product 1 i Adjusts the brightness of the documents for C the current copy job Copies Selects the number of copies Y Displays the current status and prompts 2 during an operation Scrolls through the options available for the 9 selected menu item 3 Enters Menu mode and scrolls through the menus available and sends you back to Standby mode Stops an operation at any time 4 Stop Ciear In Standby mode clears cancels the copy options such as the darkness and the number of copies Sea Confirms the selection on the display and 5 starts a job Samsung Electronics Service Manual Summary of Product 4 2 System Layout O Cassette 9 Fuser o Manual Feeder QO LSU Laser Scan Unit Transfer Roller Q Toner Cartridge PTL Pre Transfer Lamp Scan Unit 4 Service Manual Samsung Electronics Summary of product 4 2 1 Paper Feed Mechanism The printer has a universal cassette which auto
33. Check that the connection between PC and printer port are correcct If you use windows check that the printer driver in the controller is set up correctly set up the correct port is selected and Use On line is selected in the driver If the printer driver is properly set up try printing a test page from the driver proper ties Check in which program printing is not working Try opening Memo Pad and printing If the printer is not working in a certain program adjust the setup within that program Sometimes the printout is normal within the Windows basic programs but it s not working in a particular program In this case uninstall and re install the new driver If the printer is not working in the Windows basic programs and you are printing using the parallel port check the port setting in CMOS is on ECP and that the address is IRQ 7 and 378 for parallel port 1 Try using USB instead of parallel or vice versa 4 Check that the printer cable is directly connected to the 4 If you have other devices that need to share the printer printer port try temporarily disconnecting these devices 9and perhaps even uninstalling their dri vers to ensure the printer works by itself If you are using a USB hub try connecting directly to the back of the PC instead Service Manual Samsung Electronics Troubleshooting 7 6 2 The printer is not working 2 After receiving the print command there is no response at all o
34. Check the appearance of both ends of the toner cartridge OPC drum Random page contamination a Check that the terminals contact points of the toner cartridge and the set are clean b Check that the terminals contact points of the toner cartridge and the set are not damaged 1 a Refer to section 6 5 1 b If both ends of the OPC drum are contaminated with toner Check no of pages printed using this cartridge perhaps waste toner collector is full 2 Clean all HV contacts If the problem persists replace the cartridge Samsung Electronics Service Manual 2 Troubleshooting Fault Signs Cause amp Check Solution White Black spot Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Light or dark black dots on the image occur periodically White spots occur in the image periodically 1 If light or dark black dots occur at regular intervals this is because the toner cartridge rollers are contaminated with foreign substance or paper particles 1 38mm interval Charge roller 2 95mm interval OPC cycle 2 If white spots occur in a black image at intervals of 95mm or black spots occur elsewhere the OPC drum is damaged or foreign substance is stuck to the surface 3 If a black and white or graphic image is partially broken at irregular intervals the transfer roller s life has been expired or the transf
35. Diagram TON GO do 10 Connection Diagram LOW NVOS LINN SIO LOW 3NION3 LNN NASI a N g QNO Zl IS SIO uL 9 031 0L nee 97991 6 ANO aan 8 nee 319750 1 96510 lt mz _ XH H3dAH XI H3dAH ONASHU QNO SAVE OGA OL AND NO 01 6 HOLONdU GND 8 Aavayu As IO Nox lt unvy UFTIOLNOD NIV Md 1 HOLSINYSHL AN QNO SAVE THNVd dO QNO 2 NG 9 ON 2 HOLNTO NIVIN 5 1 158 XL c ss o XA d 9c TWANVI ek NO 43SNJ 53 5 cL NVA SA vc LL _ AS C QND 01 XL 3dO 22 QNO 6 WMd_AHW 1 AND 8 WMd SVI8 0c NEE L SdAH SdINS NA AHL 6L AND 9 WMd AHL 8L AND S 158 380 41 NG v a334 1 9 NG E XY 380 Sh qaa4 Ave VL AldN3 dU l S 3 S o E Samsung Electronics This service manual is also provided on the web Samsung Electronics Co Ltd May 2004 the ITSELF system f Samsung Electronics Co Ltd Printed in Korea http itself sec samsung co kr VERSION 1 00 CODE JC 0125A
36. Fuser gear melts due to overheating causing Paper Jam Constant Jam where paper is entering Fuser unit Description Fuser rollers do not turn Check and Cause Solution 1 Check the Heat Lamp thermostat and thermistor 1 Use EDC Mode to test the fuser Replace Fuser unit Replace SMPS or Main PBA as appropriate 7 4 4 Paper Empty e Description Paper Empty is displayed in the LCD panel even when paper is loaded in the cassette Check and Cause Solution 1 Deformed paper sensor actuator or faulty sensor 1 Replace the defective actuator or sensor 2 SMPS PBA or Main PBA is defective 2 Replace the SMPS PBA or MAIN PBA as appropriate 3 Faulty cables or connectors Service Manual gt Samsung Electronics Troubleshooting 7 4 5 Paper Empty without indication e Description The paper empty message does not appear in the LCD when the paper cassette is empty Check and Cause Solution 1 Deformed paper sensor actuator or faulty sensor 2 SMPS PBA or Main PBA is defective 7 4 6 Cover Open 1 Replace the defective actuator 2 Replace the SMPS PBA or MAIN PBA as appropriate Description The Cover Open message appears on the LCD even when the print cover is closed Check and Cause Solution 1 The Open Cover microswitch may be stuck or faulty 2 The tab on the front cover may be damaged or broken 3 Check the connector and cables
37. Hard Disk Drive dBm Decibel milliwatt HTML Hyper Text Transfer Protocol DC Direct Current HV High Voltage DCU Diagnostic Control Unit HVPS High Voltage Power Supply DIMM Dual In line Memory Module VF Interface DPI Dot Per Inch yo Input and Output DRAM Dynamic Random Access Memory Ib Pound s DVM Digital Voltmeter IC Integrated Circuit ECP Enhanced Capability Port ICC International Color Consortium ECU Engine Control Unit IDE Intelligent Drive Electronics or Integrated Drive Electronics EEPROM Electronically Erasable Programmable Read Only Memory IEEE Institute of Electrical and Electronics Engineers Inc EMI Electro Magnetic Interference IOT Image Output Terminal Color print EP Electro photographic er Copier G2 Service Manual Samsung Electronics IPC IPM LCD LED LSU MB MFP MHz MPBF MPF MPT NIC NPC NVRAM OPC PBA PCL PCI PDF PDL Ping PPD PPM PS PTL PWM Q ty QCD Inter Process Communication Images Per Minute Liquid Crystal Display Light Emitting Diode Laser Scanning Unit Megabyte Multi Functional Product Megahertz Mean Prints Between Failure Multi Purpose Feeder Multi Purpose Tray Network Interface Card Network Printer Card Nonvolatile Random Access Memory Organic Photo Conductor Printed Board Assembly Printer Command Language Printer Control Language Peripheral Component Interconnect by Intel 1992 6 22 is a local bus standard developed by Inte
38. K UP L JC61 00586A SHAFT P PICK UP JC66 00399A STOPPER PICK UP JC61 00593A PMO IDLE PICK UP JC72 00982A SPONGE ROLLER PICK UP JC72 01231A BUSH M PICK UP R JC61 00587A HOUSING M PICK UP JC61 00591A MEA UNIT CLUTCH JC97 01788A GEAR FEED 1 JC66 00393A PMO COLLAR SPRING JC72 00978A SPRING TS 6107 001171 PMO HUB CLUTCH JC72 00981A ELA HOU FUSER 220V JC96 03135B ELA HOU FUSER 110V JC96 03135A RMO RUBBER EXIT JC73 40915A PBA MAIN PTL JC92 01620B IPR GROUND SAW JC63 00465A RP Ss Se Ss Ss eS DIDY DIe st AIN AS NIN Service Manual Samsung Electronics Exploded View amp Parts List 8 3 Scanner Unit Assembl Service Manual Samsung Electronics Exploded View amp Parts List Scanner Unit Assembly Parts List Description UNIT SCAN 96 03136 Service available X Service not available SA Service Available J Q ty Remark SCX 4100 COVER M PLATEN JC63 00454A SHEET WHITE SPONGE JC63 00209A HINGE PIVOT JC61 00929A COVER M SCAN UPPER JC63 00452A GLASS SCAN JC01 00002A CBF SIGNAL CIS FFC
39. PC ground Error type a When the ZENER diode is there is no serious image problem in general environment but in low temperature and low humidity environments it is possible that contamination can occur on the entire image b When the ZENER diode is disconnected a blank page is printed out It is the same when a ZENER diode is disconnected from OPC ground Service Manual Samsung Electronics Summary of Product 4 4 2 SMPS Switching Mode Power Supply This is the power source for the whole system It is an independent module so that it is possible to use it for common use It is mounted at the bottom of the set It consists of the SMPS section which supplies the DC power to drive the system and the AC heater control part which supplies the power to the fuser The SMPS has four output channels 5V 3 3V 3 3VS and 24VS There are three kinds of power 120V exclusive America 220V exclusive Europe and 220V for China nations with unstable power supply 1 AC Input Inputting rated voltage AC 220V 240V AC 100 127V Inputting voltage fluctuating range AC 198V 264V AC 90V 135V Rated frequency 50 60 Hz Frequency fluctuating range 47 63 Hz Inputting Current Under 4 0Arms 2 0Arms when heat lamp is off 2 Rated Power Output NO Item CH1 CH2 CH3 Remark 1 Channel name 5V 24V 24 0VS 2 Connector Pin CON 4 CON 4 4 5V PIN 3 4 23 24N PIN 14 24V PIN 11 12
40. PINION JG66 40003A IPR PLATE PAD JC70 00314A RPR FRICTION PAD JC73 00140A SHEET HOLDER PAD JC63 00290A HOLDER M PAD JC61 00580A SPRING ETC LOCKER PLATE JG61 70531A 0 1 2 3 4 5 6 7 8 9 PLATE P KNOCK UP JC61 00603A SPRING CS 6107 001166 PMO EXTENSION SMALL JC72 00971A GUIDE M EXTENSION L2 JC61 00918B FRAME M CASSETTE JC61 00876A PMO PLATE LOCKER JC72 00972A SPRING ETC EXIT ROLL FD JC61 70911A ROLLER M IDLE FEED JC66 00529A SPRING ES 6107 001047 GUIDE M CASSETTE JC61 00944A CAM M KNOCK UP JC66 00719A RPR PAD CASSETTE JC73 00141A so HAIN IN le a a GA SAN HARA ST SR x x x Service Manual Samsung Electronics Block Diagram 9 Block Diagram NS1 e KON 4 aol 9 I3NVd SdWNS lt NSI SIO LOW SIO LOW NIVIN asn arnor wen UNGLLENFLIOX eSnHOHO 1 Je 9 LVO9STM Hady 008N162Nv AYOWAW oz Hady Y L8SZAO 4oyenushy INA LL8SCAD Jojenueny IWS dN NIVIN Service Manual Samsung Electronics Connection
41. SER JC63 00478A HOLDER M PLATE CLAW JC61 00584A SPRING ETC CLAW JC61 00064A PMO ROLLER EXIT JC72 40361A SPRING ETC FUSER EXIT JC61 70976A THERMOSTAT 150 JC47 00005A PMO GEAR_EXIT_DRV16 JC72 00143A GEAR IDLE 23 JC66 00396A RING CS 6044 000001 SID AJAJ GEAR RDCN 25 15 66 00397 ELECTRODE_LAMP2 JC70 00466A ELECTRODE WIRE_L JC70 00450A THERMISTOR NTC 1404 001298 ELECTRODE WIRE_R JC70 00449A CBF HARNESS FUSER 110V JC39 00239A CBF HARNESS FUSER 220V JC39 00238A GEAR FUSER JC66 00037C BUSH M HR L JC61 00948A ROLLER HEAT JC71 00012B BUSH M HR JC61 00947A LAMP HALOGEN 110V 4713 001182 LAMP HALOGEN 220V 4713 001183 ROLLER M EXIT F UP JC66 00380A RUBBER EXIT JC73 00017A ROLLER PRESSURE JC66 00731A BEARING PRESSURE R JC66 10901A SPRING ETC BEARING PR JC61 00453A PMO BUSHING TX JC72 00382A HOLDER ACTUATOR JC61 00581A PMO ACTUATOR_EXIT JC72 00987A FRAME_FUSER JC61 00946A GUIDE M INPUT JC61 00595A SPRING TS 6107 001165 NUT HEXAGON 6021 000222 LABEL P CAUTION HOT_FUSER JC68 30928D PLATE P CLAW JC61 00605A COVER LAMP_L JC63 00521A aa ANN a alals als ala ala fa nn
42. Tech Mode Reference No Paper The paper tray has run out of paper Load paper in the paper tray Add Paper Paper Jam 0 Paper has jammed in the feeding area of Clear the jam Open Close Door the paper tray Paper Jam 1 Paper has jammed in the fuser area Clear the jam Open Apaper has occurred in the manual Clear the jam feeder or the machine detects non feeding from the manual feeder Paper Jam 2 Paper has jammed in the paper exit area Clear the jam Check Inside Samsung Electronics Service Manual Alignment amp Adjustments 6 9 Periodic Defective Image If a mark or other printing defect occurs at regular intervals down the page it may be caused by a damaged or contaminated roller Measure the repetition interval and refer to the table below to identify the roller concerned No Roller Defective image Typical defect 1 OPC Drum 75 5mm white spot on black image or black spot 2 Charge Roller 37 7mm black spot 3 Supply Roller 47 8mm light or dark horizontal image band 4 Developing Roller 35 2mm horizontal image band 5 Transfer Roller 45 3mm image ghost 6 Heat Roller 57 1mm Black spot and image ghost 7 Pressure Roller 59 7mm black spot on the backside Toner Cartridge ao 9 L ee 1 OPC Drum D Tramsfer Roller o Charge Roller Q Heat Roller e Supply Roller Q Pressure Roller O Developing Roller lt R
43. Toxic material This product contains toxic materials that could cause illness if ingested 1 If the LCD control panel is damaged it is possible for the liquid inside to leak This liquid is toxic Contact with the skin should be avoided wash any splashes from eyes or skin immediately and contact your doctor If the liquid gets into the mouth or is swallowed see a doctor immediately 2 Please keep toner cartridges away from children The toner powder contained in the toner cartridge may be harmful and if swallowed you should contact a doctor 1 2 2 Electric Shock and Fire Safety Precautions Failure to follow the following instructions could cause electric shock or potentially cause a fire 1 Use only the correct voltage failure to do so could damage the printer and potentially cause a fire cause an electric shock 2 Use only the power cable supplied with the printer Use of an incorrectly specified cable could cause the cable to overheat and potentially cause a fire 3 Do not overload the power socket this could lead to overheating of the cables inside the wall and could lead to a fire 4 Do not allow water or other liquids to spill into the printer this can cause electric shock Do not allow paper clips pins or other foreign objects to fall into the printer these could cause a short circuit leading to an electric shock or fire hazard b Never touch the plugs on either end of the power cable with wet hands this can cau
44. a semiconductor switch On Off control is achieved when the gate of the Triac is turned on off by a Photo triac PC1 this is an insulting part In the other words the AC control part is a passive circuit It turns the heat lamp on off by taking a signal from the engine control section When the HEATER ON signal is activated by the engine the LED of PC1 Photo Triac flashes The flashing light causes the Triac PC1 to switch and a voltage is supplied to the gate of Triac THY1 As a result AC current flows in the heat lamp and heat is produced On the other hand when the signal is off PC1 is off the voltage is cut off at the gate of Triac THY1 this Triac is therefore off and thus the heat lamp is turned off 1 Triac THY1 feature 12A 600V SWITCHING 2 Phototriac Coupler PC3 Turn On If Current 15mA 50mA Design 16mA High Repetive Peak Off State Voltage Min 600V Service Manual 415 Samsung Electronics Summary of Product 4 5 Engine F W 4 5 1 Feeding If feeding from the cassette the drive of the pickup roller is controlled by controlling the pick up solenoid The on off of the solenoid is controlled by controlling the general output port or the external output port If feeding from the manual feeder the set decides to feed the paper according to the operation of the manual sensor and by driving the main motor insert the paper in front of the feed sensor When paper moves the occurrence of a paper jam is jud
45. al Printer Solution Check and Cause m Co 1 If dark or blurry black spots occur periodi cally the rollers in the Developer may be contaminated with foreign matte or paper particles Charge roller 37 7 mm interval OPC drum 75 5 mm interval If faded areas or voids occur in a black image at intervals of 75 5 mm or black Spots occur elsewhere the OPC drum surface is damaged black image is partially broken the transfer voltage is abnormal or the transfer roller s life has expired 1 Print several OPC cleaning Mode Prints and then run the Self test 2 or 3 times 2 75 5 mm repetition Examine the surface of the OPC drum and carefully clean with a soft lint free cloth If unsuccessful replace the cartridge 37 7mm repetition Replace the toner car tridge 3 The transfer roller guarantees 60 000 sheets printing If the roller s life is expired replace it Note Cleaning the inside of the set to remove excess toner particles or paper dust will reduce the occurrence of this problem Service Manual Samsung Electronics 7 1 5 Light Image Troubleshooting Description The printed image is light with no ghost Check and Cause Solution 1 Toner Save mode enabled 2 Develop roller is contaminated or the toner cartridge is almost empty 3 Ambient temperature is below than 10 4 Bad contact caused by dirty terminals on the toner cartrid
46. an the high voltage charge terminals If this does not resolve the problem replace the HVPS Service Manual Samsung Electronics 7 1 9 Ghost 1 Troubleshooting Description Ghost occurs at 75 5 mm intervals of the OPC drum in the whole printing Digital Printer 7 1 10 Ghost 2 Digital Printer Digital Printer ww g G7 Check and Cause Solution 1 Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the elec trode of the Toner cartridge 2 Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the one in the HVPS board 3 The life of toner cartridge is expired 4 Transfer roller life 60 000 sheets has expired 5 Low ambient temperature below 10 6 Damaged cleaning blade in the toner cartridge 1 and 2 Clean all HV contacts If problem persists replace the HVPS If problem still persists replace the Main PBA 3 Replace the toner cartridge and try to print out 4 Check the transfer roller lifetime and replace it 5 Wait about 30 minutes after power on before using printer 6 Replace the toner cartridge and try to print out again Description Ghost occurs at 75 mm intervals of the drum in the whole printing When printing on card stock or transparencies using manual feeder Digital Printer Digi
47. ar the end of its life white streaks or light print occurs You can temporarily reestablish the print quality by redistributing the remaining toner in the cartridge 1 Open the Front Cover 3 Unpack the new toner cartridge and gently shake it hor izontally four or five times to distribute the toner evenly inside the cartridge 4 Save the box and the cover for shipping Slide the new toner cartridge in until it locks into place Note Help the environment by recycling your used toner car tridge Refer to the recycling brochure packed with the toner cartridge for details 7 5 3 Standard of guarantee for consumable parts Please refer to User s Manual or Instructions on Printer Consumables SVC manual for the criteria for judging the quality of consumable parts the standard of guarantee on those parts Spotting a refilled cartridge by eye One way security screws are used in the manufacture of the cartridge check if these are damaged Service Manual Samsung Electronics 7 5 4 Signs and Measures of Poor toner cartridge Troubleshooting Fault Signs Cause amp Check Solution Light image and The printed image 1 If the image is light or dirty 1 All of 1 2 3 partially blank is light or dirty and and untidy Shake the toner If image quality improves by image untidy cartridge and then recheck shaking replace with a new Cartridge life is ended
48. ard and remove it 3 Remove the CCD Cable as shown below Platen Cover 2 Release 8 clips 2 per side securing the scanner upper frame to the scanner lower frame and remove the upper frame Service Manual Samsung Electronics Disassembly and Reassembly 4 Pull up the CCD Shaft and take out the Scanner 6 Remove the Pulley Idle as shown below Module Spring Pulley Idle ETC Belt bc S Pulley Bracket 7 Remove the 2 screws and take out the Scan Motor Ass y 5 Push the Belt Holder and take out the Belt as shown R below Scan Motor Ass y 56 Service Manual Samsung Electronics Disassembly and Reassembly 5 5 Middle Cover 1 Disconnect the OPE harness from the Main PBA and 2 Remove the 4 screws securing the OPE Unit from the remove the 4 screws securing the Middle Cover Middle Cover Remove it as shown below Service Manual Samsung Electronics Samsung Electronics Qy ic Heat Roller Halogen Lamp Idle Gear the Heat Roller 4 Remove 2 screws and take the Halogen Lamp out of 5 Remove 1 screw and take the Idle Gear out 2 co o n D Es 5 8 R 5 co lt YA 3 8 l
49. bstituted 2 Clean all HV contacts If the problem persists replace the cartridge Note If the cartridge is judged to be recycled then these types of problems can occur when the toner cartridge is recycled over 2 times If nearly empty cartridges are collected for re use this is judged as recycling the toner cartridge 2 Service Manual Samsung Electronics Fault Signs Cause amp Check Troubleshooting Solution Ghost amp Image Contamination The printed image is too light or dark or partially contaminated black Totally contaminated black Black image printed out The density of printouts is too dark and ghost occurs 1 The printed image is too light or dark or partially contaminated black a Check if foreign substance or toner are stuck to the terminals point of contact of the toner cartridge or set b Check if the terminal assembly is normal 2 Totally contaminated black Black image printed out a Check if foreign substances are stuck to the terminal point of contact of the toner cartridge or set b Check if the terminal assembly is normal Especially check the charge roller terminal 3 The printed image is dark and ghost occurs a Check if foreign substances are stuck to the terminal point of contact of the toner cartridge or set b Check if the terminal assembly is normal Especially check the developer roller terminal
50. ck the Solenoid by using Tech 2 Check cassette MP knock up plate and springs 3 Check paper separator pad 4 Check the pick up roller for contamination and correct assembly 5 If continuous clusters occur check all rollers between pickup and registration Sensor 6 If the paper feeds into the printer and Jam 0 occurs perform Tech Mode to check feed sensor 1 Replace the solenoid 2 Repair replace as required 3 Clean with soft cloth dampened with IPA Isopropyl Alcohol or water Replace if required 4 Clean with soft cloth dampened with IPA Isopropyl Alcohol or water Replace if required 5 Ensure all rollers are clean and free to operate correctly 6 Check the SMPS PBA Main PBA and all connections Replace any faulty parts or the Service Manual Samsung Electronics 7 3 3 JAM 1 Troubleshooting 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 Check and Cause Solution 1 If the recording paper is jammed in front of or inside the fuser 2 If the recording paper is stuck in the exit roller and the fuser just after passing through the Actuator Feed Feed Actuator may be defective 73 4 JAM2 1 Replace the Exit Sensor SMPS or main PBA 2 Reassemble the Actuator Feed and Spring Actuator if the movement is bad
51. cover and the senor is in the main frame When the front cover is open the 24V and 5V supplies to the DC fan solenoid main motor polygon motor part of LSU HVPS and LSU Laser diode are cut off The CPU monitors signal COVER OPEN GPIO 11 to recognize when the cover is open 6 DC FAN SOLENOID Driver It is driven by a transistor and controlled by signal FAN GPIO 7 Main Clutch Solenoid PIN 185 MP Clutch Solenoid PIN 184 bit of the CPU When it is high the fan is activated by turning on the TR and it is off when the sleep mode is selected There are three solenoids and these are driven by the Paper Pick up Regi and MP signals The diode protects the driving TR from the Back EMF pulse which is generated when the solenoid is de energized 7 Motor Driver The motor driving circuit is activated when the Driver IC is enabled An AN44060 Motor driver IC is used in this case The resistance Rs value of sensing and the voltage value of the V reference can be changed by the motor driving volt age value Service Manual 11 Samsung Electronics Summary of Product 4 4 SMPS amp HVPS The SMPS and HVPS are on one integrated board The SMPS supplies the DC power to the system It takes either 110V or 220V and outputs the 5V and 24V supplies to the main and other PBAs The HVPS creates the high voltage of THV MHV Supply Dev and supplies it to the toner cartridge The CPU is used to modify some of these voltage settings to provid
52. cs Service Manual Troubleshooting 7 3 5 Multi Feeding Description Multiple sheets of paper at once Check and Cause Solution 1 Check that the paper size guides are set correctly cassette and MPF tray 2 Solenoid malfunction the solenoid does not work properly 3 Friction Pad is contaminated 4 Paper has a rough surface texture 7 3 6 Paper rolled in the fuser 1 Adjust paper guides 2 Replace the solenoids or PBA as appropriate 3 Clean the friction pad rubber with a soft cloth dampened with IPA Isopropyl Alcohol or water 4 Use paper with a smother surface finish Description Paper rolled around fuser rollers or Concertina jam Check and Cause Solution 1 Contamination of the pressure roller or heat roller 2 Damaged or deformed ribs claws or springs 1 After disassembling the fuser clean contamination from between the heat roller and the thermistor and also clean contamination from the pressure roller Clean the surface of the rollers with IPA or water 2 Check for damage or deformation of the print claws and the holder plate claws and repair or replace as appropriate Service Manual Samsung Electronics Troubleshooting 7 3 7 Paper rolled on the OPC Drum Description Paper is rolled up in the OPC Check and Cause Solution 1 Paper is too thin 1 Use paper that conforms to the printer
53. ct Feed PMO BUSHING TR L JC72 00102A 5 SN SK 03 5 5 5 BR 5 IB ill RAR Samsung Electronics Service Manual Exploded View amp Parts List Description IPR P GROUND FUSER Frame Unit Assembly Parts List Cont SEC Code JC70 00310A Service available X Service not available SA Service Available J Q ty Remark SHAFT FEED IDLE JC66 00527A BUSH M FEED IDLE JC61 00585A SPRING ETC TR JC61 70958A Spring Feed Idle IPR P_GROUND_DRIVE2 JC70 00335A SPRING TS 6107 001170 Spring cam Pick up CAM M PICK_UP JC66 00377A IPR P GROUND_DRIVE JC70 00308A SOLENOID HB PICK UP JC33 00009A SOLENOID HB MANUAL JC33 00010A AS GEAR PICK_UP JC81 01692A PMO GEAR PICK_UP B JC72 00980A PMO GEAR PICK UPA JC72 00979A SPRING CS 6107 001167 Spring Pick up gear BRACKET P FEED JC61 00602A IPR P GROUND TR JC70 00311A SHAFT FEED JC66 00398A RING CS 6044 000001 GEAR FEED 2 JC66 00394A GEAR IDLE 23 JC66 00396A GUIDE P PAPER JC61 00718A FOOT FRONT JC61 00836A AS PICK UP JC81 01693A BUSH M PIC
54. d or the trans fer roller bushing or holders are damaged Digital Printer 2 The life of the Toner cartridge has expired 3 The toner level is not even on the toner cartridge roller due to the damaged blade or low toner 7 1 8 Background 1 Replace both the left and right bush and spring assemblies 2 Replace the toner cartridge and try to print out 3 Gently shake the toner cartridge and try printing again If the problem persists replace the toner cartridge Description Light dark background appears in whole area of the printing Check and Cause Solution Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1 Printing large quantities of low coverage 296 pages or the printer has not been used for a long time 2 15 a recycled toner cartridge be used 3 Has the life span of the toner cartridge ended 4 Is the movement Up and Down of the transfer roller smooth 5 s the HVPS normal 1 The toner cartridge is basically designed to print 3 000 sheets with 596 image If it prints more than 3 600 sheets with 296 coverage a background can occur 2 The A S is not guaranteed if using a recy cled toner cartridge Note try shaking the toner cartridge gently from side to side If the problem persists replace the toner cartridge 3 Replace the toner cartridge when its life is expired 4 Clean the transfer roller bushes 5 Cle
55. d slowly Follow the steps on the next pages to clear the jam 6 3 1 In the Paper Tray 1 Open and close the front cover The jammed paper 4 Insert the paper tray into the machine until it snaps is automatically ejected from the machine If the into place paper is not ejected continue to step 2 5 Open and close the front cover to resume printing 2 Pull the paper tray open 3 Remove the jammed paper by gently pulling it straight out If there is any resistance and the paper does not move when you pull or if you cannot see the paper in this area skip to the fuser area around the toner cartridge See page 6 5 Service Manual 63 Samsung Electronics Alignment amp Adjustments 6 3 2 In the Paper Exit Area 1 Open and close the front cover The jammed paper is automatically ejected from the machine If the paper is not ejected continue to step 2 2 Gently pull the paper out of the front output tray Skip to step 9 If you cannot see the jammed paper in the front output tray continue to step 3 3 Open the jam cover by lifting the front edge of the scanner unit The support lever will automatically pop up 4 Pull the paper out gently 5 Close the jam cover by pushing the support tab to the left and hold it down whilst lowering the cover carefully until the cover fully down this will hold down the tab If there is any resistance and the paper does not move when you pull or if you cannot see the paper
56. does not come on but normal start up sounds are heard 3 After replacing SMPS display does not come on and no start up sounds are heard 1 Replace the power supply cord or SMPS Check power fuse and SMPS fuses replace if necessary 2 Replace the OP panel 3 Replace the main PBA panel Service Manual Samsung Electronics Troubleshooting 7 4 10 Printed Vertical Lines become curved Description When printing vertical lines are not straight Check and Cause Solution 1 Check stability of 24V supply to LSU 1 24V stable Replace LSU 24V unstable replace SMPS if the problem persists replace the main PBA Service Manual Samsung Electronics Troubleshooting 7 5 Toner Cartridge Service Only toner cartridges supplied by Samsung should be used Printing defects or set damage caused by the use of non approved toner cartridges or un licensed toner refills are not covered by the guarantee 7 5 1 Precautions on Safe keeping of Toner Cartridge Excessive exposure to direct light for more than a few minutes may cause damage to the cartridge 7 5 2 Service for the Life of Toner Cartridge If the printed image is light due to the toner supply becoming low you can temporarily improve the print quality by redistributing the toner Shake the toner cartridge however you should replace the toner cartridge to solve the problem permanently 7 5 2 1 Redistributing Toner When the toner cartridge is ne
57. e the ideal voltages to create the image The HVPS part uses the 24V and outputs the high voltage for THV MHV BIAS and the outputted high voltage is supplied to the toner OPC cartridge and transfer roller 110V 125V 8A 110V 125V 3A FAN CON PANEL CON 220V 250 T5AH 220 250V 2A H CN1 H L CON SUPPLY COVER OPEN SWITCH MANUAL SENSOR FEED SENSOR PAPER EMPTY SENSOR EXIT SENSOR MAIN PBA CON F101 250V L2A 42 Service Manual Samsung Electronics Summary of product 4 4 1 HVPS High Voltage Power Supply 1 Transfer High Voltage THV Function It is this voltage that transfers toner from the OPC Drum to the paper Output voltage Maximum 5000V 5 no load variable duty cycle Error IF THV is not present low density printing occurs due to toner on the OPC Drum not being transferred to the paper It is possible that waste toner over flow can occur if this condition persists Ghost images may appear which repeat at 76mm intervals 2 Charge Voltage MHV Function It is this voltage that charges the surface of the OPC to 900V 1000V Output voltage 1300V 1800V DC 50V Error IF MHV is not present toner then since the OPC drum surface has no charge toner is attracted to the whole OPC surface A black page is printed out when this happens 3 Cleaning Voltage THV Function It removes toner contamination from the rear side of the paper by sending polarity to
58. er voltage is abnormal 1 For item 1 Run OPC Cleaning Mode Print 4 5 times repeatedly to remove excess toner Especially check for foreign substances on the OPC surface Clean with a clean gauze moistened with IPA Isopropyl Alcohol take care not to damage the OPC surface Never use other forms of alcohol 2 For Item 2 If running OPC Cleaning Mode Print 4 5 times does not resolve the problem at intervals of 37 7mm place the toner cartridge at intervals of 75 5mm clean OPC drum 3 For item 3 Change the transfer roller because the life of the transfer roller has expired Check the transfer voltage and readjust if necessary Recycled product Poor appearance of the toner cartridge Dirty or rough printouts Bad background in the image 1 Poor appearance of the toner cartridge a Check for damage to label and if different materials are used b Check the appearance of parts of the toner cartridge Such as frame hopper screws 2 Unclean and rough printouts a Check that the terminals contact point of the toner cartridge and the set are clean b Check that the terminals contact point of the toner cartridge and the set are not damaged For Item 1 the cartridge is judged to be a recycled product a If there is any evidence of disassembling the toner cartridge b If materials other than normal parts of the toner cartridge are added or su
59. ge or set 5 Abnormal output from the HVPS Run EDC mode see sections 6 1 2 and 6 1 3 7 1 6 Dark Image or a Black 1 Ensure the Toner Save mode is off Check set and driver settings 2 Replace the toner cartridge and try to print out again 3 Wait 30 minutes after printer is powered on before you start printing 4 Clean the cartridge and set contacts Generally clean dirt from inside the set 5 Replace the HVPS if the problems are not solved by the above four instructions Description The printed image is dark Check and Cause Solution 1 No charge voltage in the engine board 2 Charge voltage fault due to bad contact between toner cartridge and set contacts 3 VDO signal of the Main PBA is Low state 1 Check the state of the connector which connects the engine board and HVPS 2 Clean the high voltage charge terminals Note if 1 and 2 do not resolve the problem and the problem persists replace the HVPS 3 Replace the LSU Unit or Main PBA Samsung Electronics Service Manual gt Troubleshooting 7 1 7 Uneven Density Description Print density is between left and right Check and Cause Solution Digital Printer 1 The pressure force on the left and right Digital Printer springs of the transfer roller is not even Digital Printer the springs are damaged the transfer Digita Printer roller is improperly installe
60. ged as below 4 5 1 1 Jam 0 Jam in Feed area After a page was picked up paper did not enter the unit due to a paper misfeed After a page was picked up paper entered but it did not reach the feed sensor in certain time due to slip etc After a page was picked up if the feed sensor is not on try to pick up again After retrying if the feed sensor is still not on after certain time it is Jam 0 this indicates that the leading edge of the paper doesn t pass the feed sensor within a certain time Even though the paper reaches the feed sensor the feed sensor does not turn on this indicates that the leading edge of the paper already passed the feed sensor or that the sensor is faulty 4 5 1 2 Jam 1 Jam inside the print engine After the leading edge of the paper passes the feed sensor the trailing edge of the paper does not pass the feed sensor within certain time During this time the feed sensor cannot be Off After the leading edge of the paper passes the feed sensor the paper does not reach the exit sensor within a certain time The exit sensor cannot be On during this time There is already paper between the feed sensor and the exit sensor 4 5 1 3 Jam 2 Jam in the Exit area After the trailing edge of the paper passes the feed sensor the trailing edge of the paper does not pass the exit sensor within certain time 4 5 2 Drive The main motor drives the paper feed developing unit and the Fuser It is dr
61. he variables listed above 1011 Samsung Electronics Service Manual 7 Reference Information Service Manual Samsung Electronics Specifications 3 Specifications Specfications are correct at the time of printing Product specifications are subject to change without notice See below for product specifications 3 1 General Specifications tems O Remas General Major Features Copier Print Scan Size W D H 16 6 x15 8 x9 4 422x400x239mm Net Weight Inc Toner Cartridge 0 69 Kg Net Weight exc Toner Cartridge 8 89 Kg Gross Weight with package 12 04 Kg LCD 16 2 Char No BackLite Interface USB1 1 amp IEEE1284 Power Printing Operation 300 Wh Consumption Sleep Mode Energy Star Compliant Power Switch Yes Noise Operating 49 dBA Standby 38 dBA Warm Up Time from Cold Status Less than 42 seconds Machine Life Max Monthly Volume Print 10 000pages Duty Cycle Scan 2 000pages Average Monthly Print Volume 500 Pages Machine Life 5 years 100000 Pages Whichever comes first Approval Class B Device Memory 8MB Internal N W Option N A Page Counter Yes Print Configuration Yes Sheet Samsung Electronics Service Manual G Specifications 3 2 Print Specification Items SCX 4100 Remarks PRINT Print Speed 15ppm Ltr 14ppm A4 Print Method Laser Print Language SPL Power
62. heat lamp driver CIS driver scan motor driver and fan driver The signals from the paper feed jam sensor and paper empty sensor are inputted to the main board from the power supply PBA Fi FETTITET FLASH MEMORY U69 U7 3 3V U3 EMI ATTENUATOR 013 ASIC U5 gt lt tc a Yn tc lt 2 O LU tc S IV T KO Ox 0SC2 REGULATOR 1 8V U2 COMPARATOR CRYSTAL TRANSCEIVER U9 Service Manual 49 Samsung Electronics Summary of Product 4 3 1 ASIC Chorus2 The Chorus2 16Bit RISC Processor ASIC is the main processor controlling the whole system It controls all of the printing and scanning functions using a system program stored in flash memory Main function block Completely Integrated System for Embedded Applications 16 32 Bit Risc Architecture Efficient and Powerful ARM7TDMI CPU LSU Interface Module for Interfacing PVC with LSU e 5 Channel General Purpose DMA Controller for High Speed I O Dual Memory Bus Architecture Operating frequency 66MHz Operating power 1 8V internal 3 3V external 4 3 2 Flash Memory This stores the system program Firmware upgrade is achieved by downloading from the new image using the PC Interface Capacity 1M Byte Access Time 70 nsec 4 3 3 SDRAM This is used as a buffer system working memory area etc while printing and scanning Capacity SCX 4100 8M byte
63. ine Shield Ass y Engine Shield Ass y 2 Unplug 1 connector and remove 5 screws from the Main PBA Then lift the Main PBA out as shown below Service Manual Samsung Electronics Disassembly and Reassembly 5 13 SMPS 4 Remove 3 screws and take the SMPS out 1 Before you remove the SMPS you should remove Fuser Connector see page 5 7 Engine Shield Ass y see page 5 11 Rear Cover see page 5 2 Side Covers see page 5 3 2 Unplug 1 connector and remove 3 screws then take the Inlet Bracket out Inlet Bracket 3 Remove 1 screw and unplug 1 connector from the Main PBA Service Manual 3 Samsung Electronics G ANT Samsung Electronics Roller out as shown below Transfer 4 Unlatch the Bush and remove it Then lift the Transfer UB PTL Holder and PTL Lens as shown below Take care to note the orientation of the PTL lens and ensure it is o 5 3 9 X 5 E 5 g E o LLI gt u o D c 2C pa 77 m CO c a C WC lt S Lrg x 9 oo O E c 3 8 g 5289 gt 5 O o c 2 22382 p 2 3 82222 2 T o o n2 o 3 nD Pd S c 5 YP NA o
64. iption The background on the face of the printed page is stained Hu Mr Check and Cause Solution Digra Enner 1 Toner leakage due to improperly sealed 1 Replace the toner cartridge Digital Printer toner cartridge Digital Printer DigitakPrinteF 2 If the transfer roller is contaminated 2 If the transfer roller is contaminated run Diait al Printer stains on the face of page will occur PC Cleaning Mode Print 2 or 3 times and 9 e TE then perform Self Test 2 or 3 times to remove contamination Service Manual Samsung Electronics Troubleshooting 7 1 14 Stains on Back of Page Description The back of the is stained at 46 5 or 58 7 mm intervals Check and Cause Solution 1 46 5mm Transfer roller is contaminated 1 Perform the OPC Cleaning Mode Print 2 or hdi 3 times Run Self Test to remove the Digital Printer contamination from the transfer roller Digital Printer Digital Printer Note Replace the transfer roller if A contaminated severely 2 58 7mm Pressure roller is contaminated 2 Disassemble the fuser and clean the H R Heat Roller and P R Pressure roller Check and clean the area between the H R and the Thermistor Caution Take care not to deform the rollers 7 1 15 Blank Page Print out 1 E Description Blank page is printed Check and Cause Solution Bad ground contacts in OPC and or toner 1 Check ifthe Ground OPC or the OPC cartridge
65. ise Troubleshooting Description There is noise from the when copying Check and Cause Solution 1 Check the Scanner Motor gearbox and rollers 2 Check the Motor Driver on Driver PBA 7 2 4 Defective Image Quality 1 Check for correct assembly of gears and motor Ensure no parts are fouling and there are no foreign objects in the mechanism or scanner path Replace any worn parts 2 Replace the main PBA Description copied image is excessively light or dark Check and Cause Solution 1 Check shading profile 2 Check the gap between original and scanner glass 3 Check printing quality 1 Redo shading profile in the tech mode 2 Agap of more than 0 5 mm can cause a blurred image Ensure rollers and cover close correctly Replace as necessary 3 See Print troubleshooting Samsung Electronics Service Manual Troubleshooting 7 3 Paper Feed problems Causes and Solutions 7 3 1 Wrong Print Position Description Printing begins at wrong position on the paper Check and Cause Solution Wrong sensor timing caused by defective feed sensor actuator 7 3 2 JAM 0 Replace the defective actuator 1 Paper does not exit Description from the cassette 2 Jam 0 occurs when the paper feeds into the printer Check and Cause Solution Mode 1 Che
66. iven by software which controls the acceleration constant speed and deceleration profiles The Motor is managed with an AN44060 driver IC and controlled by step and enable signals from the CPU 4 5 3 Transfer The charging voltage developing voltage and the transfer voltage are controlled by PWM Pulse Width Modulation Each output voltage is changeable according to the PWM duty cycle The transfer voltage used when the paper passes the transfer roller is decided by environment recognition The resistance value of the transfer roller changes due to the surrounding environment in the room or within the set this change in resistance in turn changes the value of the voltage due to loading This voltage is fed back into the set through the A D converter Based on this fed back value the PWM cycle is changed to maintain the required transfer voltage Page 4 10 has a different chip number Which is correct 4 16 Service Manual Samsung Electronics Summary of product 4 5 4 Fusing The temperature of the heat roller s surface is detected according to the resistance value of the thermistor The thermistor resistance is measured using the A D converter and thus the CPU can determine the temperature of the heat roller The AC power is controlled by comparing the target temperature to the value from the thermistor If the value from the thermistor is out of the controlling range while controlling the fusing process the error stated in the table occu
67. l and introduced in April 1993 A60 B60 Pins Portable Document Format Page Description Language Packet internet or Inter Network Groper Postscript Printer Discription Page Per Minute Post Script Pre Transfer Lamp Pulse Width Moduration Quantity Quality Cost and Delivery RAM ROM SCF SCT SMPS SPGP SPL Spool SURF SW Sync T1 T2 TBD TRC TTM PnP UMC URL USB VCCI WECA Alliance Wi Fi Reference Information Random Access Memory Read Only Memory Second Cassette Feeder Second Cassette Tray Switching Mode Power Supply Samsung Printer Graphic Processor Samsung Printer Language Simultaneous Peripheral Operation Online Surface Rapid Fusing Switch Synchronous or Synchronization ITB Transfer Roller To Be Determined Toner Reproduction Curve Time to Market Universal Plug and Play Unit Manufacturing Cost Uniform Resource Locator Universal Serial Bus Voluntary Control Council for Interference Information Technology Equipment Wireless Ethernet Compatibility Wireless Fidelity Samsung Electronics Service Manual gt Reference Information 2 3 Select a location for the printer Leave enough 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 tempe
68. ly used for A S Ass y part Assembled by more than 2 Parts If necessary part is not A S Part Ass y part including necessary par can be used It is shown in the diagram and drawing of SVC manual AsS y part and A S privately used Part is distinguished by part Code and Description The are inscription type 2 It is recognized by Part character and front side of description DIVISION PART CODE DESCRIPTION A S Private ng tenen AS JB81 00039A AS USE ASSY Part Pre MEG JB75 00068A MEC CHUTE ASSY Part op ene Se JB92 01131A PBA MAIN CONTROLLER ASSY Part Te JB97 01089A MEA UNIT PULLEY IDLE Service Manual Samsung Electronics Samsung Electronics 8 1 Main Assembl Toner Cartridge Exploded View amp Parts List Service Manual EXPLODED VIEW amp PARTS LIST Main Assembly Parts List a SA Service Available __ O Service available X Service not available Description SEC Code Q ty Remark SCX 4100 MEA UNIT COVER MIDDLE JC97 01958A SCX 4100 MEA UNIT COVER REAR JC97 01959A SCX 4100 COVER M_REAR JC63 00475A COVER M_REAR DOOR JC63 00476A COVER M SIDE L JC63 00472A COVER M SIDE R JC63 00471A MEA UNIT COVER FRONT JC97 01960A SCX 4100 COVER M FRONT JC63 00477A ADJUST M MANUAL L JC70 00481A
69. matically loads paper and a manual feed which supplies paper single sheet at a time The cassette has a friction pad which separates paper to ensure single sheet feeding and it has a sensor which checks when the paper tray is empty Feeding Method Universal Cassette Type Feeding Standard Center Loading Feeding Capacity Cassette 250 sheets 75g m2 20lb paper standard Manual 1 sheet Paper OHP Envelop etc Paper detecting sensor Photo sensor Paper size sensor None 4 2 2 Transfer Ass y This consists of the PTL pre transfer lamp and the Transfer Roller The PTL shines a light onto the OPC drum This lowers the charge on the drum s surface and improves transfer efficiency The transfer roller transfers toner from the OPC drum surface to the paper Life expectancy Over 60 000 sheets at 15 30 C 4 2 3 Drive Ass y A gear driven power unit The motor supplies power to the paper feed unit the fuser unit and the toner cartridge 4 2 4 Fixing Part Fuser There are two types of fuser unit Q PID type developed by Samsung and only used on 220V Domestic models Heat Lamp type used on 220V Export models and all 110V models The Heat Lamp type fuser consists of the Heat Lamp Heat Roller Pressure Roller Thermistor and Thermostat It fixes toner to the paper using pressure and heat to complete the printing job 4 2 4 1 Heat Lamp power cut off Thermostat The thermostat is a temperature sensing device which
70. n see it easily when the rear cover is opened 4 2 5 Scanner Unit Scan Image Controller 1 Scan Line Time 1 67ms 2 Scan Resolution Color Max 600DPI 3 Scan Width 216mm 4 Function White Shading Correction Gamma Correction CIS Interface 256 Gray Scale e CIS Driver Circuit CIS Clock 4 16MHz Voltage Reference 1 1V CIS Line Time 1 67ms Line x 3Color 600dpi Scan Motor Driver Circuit Motor Driver SIA403A Used Volt 24V DC 5 Service Manual Samsung Electronics Summary of product 4 2 6 LSU Laser Scanner Unit This is the core of the laser printer It converts the video data received from the computer into an electrostatic latent image on the surface of the OPC drum This is achieved by controlling the laser beam and exposing the surface of the OPC drum to the laser light A rotating polygon mirror reflects the laser light onto the OPC and each side of the mirror is one scan line The OPC drum turns as the paper feeds to scan the image down the page The HSYNC signal is created when the laser beam from LSU reaches the end of the polygon mirror and this signal is sent to the controller The controller detects the HSYNC signal to adjust the vertical line of the image on paper In other words after the HSYNC signal is detected the image data is sent to the LSU to adjust the left margin on the paper Service Manual 4 7 Samsung Electronics Summary of Product 4 2 7 Toner Cart
71. nd lint free cloth X P 6 Vacuum Cleaner s Driver 2 Standard type type long o short M2 long M2 short EEA Spring Hook Standard For general use A Tweezers Standard For general home use small type 2 t 8 Software Driver installation CD ROM Cotton Swab Standard For general home use for medical service S gt S Service Manual Samsung Electronics Reference Information 2 2 Acronyms and Abbreviations The table in the below explains abbreviations used in this service manual The contents of this service manual are declared with abbreviations in many parts Please refer to the table ADC Analog to Digital Conversion FCOT First Copy Out Time AP Access Point FFC FLexiable FLat Cable AC Alternating Current LAN local area network ASIC Application Specific Integrated Circuit LBP Laser Beam Printer ASSY Assembly EPP Enhanced Parallel Port BIOS Basic Input Output System FIN Firmware BLDC Motor Brushless DC Motor FCF FCT First Cassette Feeder First Cassette Tray CIS Contact Image Sensor FISO Front In Side Out CMOS Complementary Metal Oxide Semiconductor FPOT First Print out Time CN Connector GDI Windows Graphic Device Interface CON Connector GIF Graphic Interchange Format CPU Central Processing Unit GND Ground dB Decibel HBP Host Based Printing dBA A Weighted decibel HDD
72. nter a lower menu Sub menu Press the Start Enter key To exit into an upper menu Press the Menu Exit key To return to the user menu Press the Menu Exit key 6 1 2 Diagnostic Main Menu Engine test Remark ENGINE TEST Motor Test 1 On 2 Off MTR FAN SOL ETC PickUp Test 1 On 2 Off Fan Test 1 On 2 Off Manual Clt Test 1 On 2 Off PTL Test 1 On 2 Off ENGINE TEST LSU Motor Test 1 On 2 Off LSU TEST LSU Hsync Test 1 On 2 Off LD Test 1 On 2 Off ENGINE TEST Feed Sen Test Check Check Start SENSOR TEST Next Next Sensor Check Exit Sen Test Check Check Start Next Next Sensor Check Cover Sen Test Check Check Start Next Next Sensor Check Empty Sen Test Check Check Start Next Next Sensor Check Manual Sen Text Check Check Start Next Next Sensor Check ENGINE TEST Therm ADC 220 85 1 On 2 Off maintain the fusing temp 65C 230C HEAT TEST ENGINE TEST MHV Test 1 On 2 Off 1550V 50V HVPS TEST Dev Bias Test 1 On 2 Off 430V 20V THV EN NEG Test 1 On 2 Off 1000V 300V 150V THV ON 1300V 1 0n 2 Off 1300V 20V THV ADC 1300V 1 0n 2 Off THV ADC 600V 3550V 1 On 2 Off Compare each ADC Value Service Manual 6 1 Samsung Electronics Alignment amp Adjustments 6 2 Paper Path Toner Cartridge Q0 Casse
73. ograms 4 When an application program or the printer driver is damaged 5 When some files related to the OS are damaged or virus infected 6 Memory is less than suggested How to delete the data in the spool manager 1 Delete any unnecessary files to provide more space for spool storage 2 There may be files from previous failed print jobs on the hard disk with the name in the form jnl Delete these files and Reboot Windows to restart the printer 3 Shut down all other programs except the current one if possible 4 Delete the printer driver completely and reinstall it 5 After rebooting the computer check for viruses restore the damaged files and reinstall the application program which is not working properly 6 Add up more memory to the PC In the spool manager the installed drivers and the list of the documents waiting to be printed are shown Select the document to be deleted and check delete in the menu If the job you are deleting is the current job when you delete the job data that has already been transferred to the printer s memory will still be printed If there is a problem with the printer out of toner offline out of paper etc the job may take a long time to delete as it must wait for a time out Samsung Electronics Service Manual Troubleshooting Service Manual Samsung Electronics Exploded View amp Parts List 8 Exploded Views and Parts List
74. ollers Layout gt 63 Service Manual Samsung Electronics 7 Troubleshooting Troubleshooting 7 1 Printing Problems Causes and Solutions 7 1 1 Vertical Black Lines and Bands 2 Dark black vertical bands occur in the printing Description 1 Straight thin black vertical lines occur in the printing Check and Cause Solution 1 Damaged developer roller deformed Doctor blade or cleaning blade in the Toner cartridge 2 Scratched surface of the charge roller in the toner cartridge 3 3 Depression or deformation of the surface of the transfer roller 7 1 2 Vertical White Line Replace the toner cartridge and test again 2 Replace the toner cartridge and test again 3 Replace the transfer roller and test again e Description White vertical voids in the image Digita Printer L igita Printer L igita Printer Ligita Printer Ligita Printer Check and Cause Solution 1 1 Contamination of the window or internal lenses of LSU mirror 2 Foreign object inside the toner cartridge or low toner 3 Foreign object contamination or burr on the edge of the toner cartridge window 4 If the fuser is defective voids occur periodically at the top of a black image 5 Contamination of the OPC drum 6 Depression or deformation of the surface of the transfer roller Clean the LSU window with recommended cleaner IPA
75. om Range 50 to 200 Multi Copy 1 99 Preset Yes Darkness Control 3 level Light Normal Dark Copy Mode Original Type Text Text Photo Photo Collation Copy N A Auto return to default mode Yes after 1 minute Time can be changeable 15 30 60 180sec Off Changeable Default mode Darkness Original Type Reduce Enlarge No of Copies Special Copy 2 up copy Yes Platen only Collation Copy N A AutoFit Copy Yes Platen only 2 Sides in 1 pg Yes Platen only Copy 2 side printed original document into one page ex ID Card Copy Clone Yes Platen only Poster Yes Platen only Samsung Electronics Service Manual Specifications 3 5 Paper Handiling Specification Paper Handling SCX 4100 Remarks Capacity 20lbs Main Tray 250sheets Bypass MP Tray Single Sheet Optional Cassette No Output Capacity Face Down 50Sheets 20lb Face Up 1Sheet Output Control Face down Face up Paper Size Main Tray Legal A4 Letter Folio Executive B5 A5 A6 Bypass Bypass Envelope6 3 4 7 With main tray paper 3 459 10 DL C5 B5 Paper Weight Main Tray 16 24 Ib Bypass 16 43 Ib Paper Path Standard output Bottom to Top Front FIFO Straight Through Face up Single Sheet Paper Size Max 216 x 356mm 8 5 x14 Min 76 x 127mm 3 x5 Compatibility DOS No Service Manual Samsung Electronics Specifications 3 6 Other Specification Items SCX 4100
76. ook Profit and Revenue M like Well across the diverse business community it 250 would be impossible to capture all aspects of printing a style within a single page document However if 100 attention is focused on the majority of printing volume 50 0 text and simple business graphics would stand out as Q1 Q2 Q3 Q4 the most prevalent output from laser printers This sample memo represents a reasonable example of the typical business document This memo covers approximately 5 of a letter or A4 sized piece of paper This number 5 has historically been called the average page coverage by laser printer manufacturers It may seem to the naked eye that there is much more than 5 but in fact alohanumeric characters rely on a large portion of white space for their composition Mileage Chart London see ses Los Angeles 55 2468 5451 NewYork 2468 6736 Tokyo 5 5 There are many factors that can influence the actual page coverage of a document as well as the page yield of a toner cartridge Testing parameters such as font size and style internal printer settings print environment paper stock sample size job length and criteria for determining end of life can all influence how long a toner cartridge will last The best competitive analysis of printer page yield should occur under similar conditions using industry standards for t
77. ottom line 2 Press Start Enter The system data list prints out 6 5 Clearing the Memory You can selectively clear information stored in your machine s memory 1 Press Menu Exit on the control panel until Maintenance appears on the top line of the display 2 Press the scroll button or until you see Clear Settings on the bottom line and press Start Enter The first available menu item Paper Setting displays on the bottom line 3 Press the scroll button or until you see the item you want to clear Paper Setting Restores all of the Paper Setting options to the factory default Copy Setup Restores all of the Copy Setup options to the factory default All Settings Resets all of your settings to the factory default Machine Setup Resets all of the system settings such as the display language and save modes to the factory default 4 Press Start Enter The selected memory is cleared and the display asks you to continue clearing the next item 5 To clear another item press Start Enter and repeat steps 3 and 4 Or to return to Standby mode press Stop Clear 6 6 Clearing the Drum If there are streaks or spots on your print the OPC drum of the cartridge may require cleaning 1 Before carrying out the cleaning procedure make sure that paper is loaded in the machine 2 Press Menu Exit on the control panel until Maintenance appears on the top line of the display The first available menu item Clean Drum
78. r print speed is low Description due to wrong setup of the environment rather than malfunction of the printer itself Check and Cause Solution 1 Ensure you have sufficient free hard disk space for the 1 Not working with the message insufficient printer temporary work files created during printing memory means there is a hard disk space problem rather than a printer RAM problem In this case pro vide more space on the hard disk Secure more space using the disk utilities program 2 Printing error occurs even if there is enough space in The connection of the cable and printer port is not the hard disk correct Check that the cable is properly connected and if you are using the parallel port check that the port settings in CMOS is correct Co 3 Check the parallel port related items in the CMOS For the printer port Select ECP SPP and normal Setup normal modes support 8 bit data transfer while ECP Mode supports 12 bit data transfer gt IF the regular font is not printing the cable or the printer driver may be defective Turn the PC and printer off and reboot the system to print again If not solved double click the printer in my computer If the regular fonts are not printed this time again the cable must be defective so replace the cable with new one 4 Reboot the system to print Service Manual Samsung Electronics Troubleshooting 7 6 3 Abnormal Printing P
79. rature sunlight or humidity Clean dry and free of dust 1018 6 mm 40 1 in 674 mm 26 5 in 24 Service Manual Samsung Electronics Reference Information 2 4 The Sample Pattern for the Test The sample pattern shown in below is the standard pattern used in a factory The contents of the life span and the printing speed are measured with the pattern shown in below The picture in the manual is 70 size of the actual A4 size 2 4 1 A4 5 Pattern ie 0 e AK 06 CS hh r m E r a Y b S Mx S g a u XO 0 19 P E f eji Y s E a j 733 4 Fr n 1 N 1 ot t PSF Ott 2 UX S O t ANVP N tQ tl ti uso wri ac 1 u p ot n 11 at L ey m m n N qu T C nrry x i t ia X 0 t uUrsr N Qir ep np pepa we t eo t s Iv re an S b te x G srx jsn auo S t S 6 1 A cko 9 0 95 ne 3 on 1 5 aeocs p Ke o snxs Z eo cr ma go sonm ts 1 xopr a r PpP o or 7 u j Sac Y e tyx p b t2 1 i equ ar TO 1 ag e saeg PP mnoov P sex wa 0 r m 9m 0 P p r POO n t n su n h XV rj tp rg co Ine 5 vo 0 I T Y 01 m 10 M r uj r ne o pe t nue 1 iotr 5 o e do I Sj esc t i OPC Letyo a01 t nn 1 tm e B X 1 X10 fern i X i nx n e u in D W y X eo 001 dE bs PB teo RO H g u K s Fxr rcF a bh 5 5
80. ridge The toner cartridge is an integral unit containing the OPC unit and toner unit The OPC unit consists of the OPC drum and charging roller and the toner cartridge unit consists of the toner supply roller developing roller and blade Doctor blade Developing Method Non magnetic 1 element contacting method Toner Non magnetic 1 element shatter type toner The life span of toner 3 000 sheets IDC Pattern A4 standard Toner remaining amount detecting sensor No OPC Cleaning Electrostatic process Management of waste toner Electro static process Cleanerless Type OPC Drum protecting Shutter No Classifying device for toner cartridge ID is classified by interruption of the frame channel Developing Roller 380V I Doctor Blade Vo 970V V 180V Supply Roller Zener Diode Max 5 0kV 130V 5 5 20403 N Transfer Roller 3 Service Manual Samsung Electronics Summary of product 4 3 Main PBA The Engine Board and Controller Board have been integrated into a single PBA This consists of the CPU printer scanner and line control functions The CPU functions as the bus controller handler motor driver and PC inter face The main board sends the Current Image Video data to the LSU and manages the Electrophotographic printing process Circuits on the PBA drive include the main motor paper feed cartridge fuser clutch driver pre transfer lamp driver
81. rinting does not work even after replacing the cable PESE alan Printer does not work at all or strange fonts are printed Check and Cause Solution 1 Set up the parallel port using CMOS SETUP 1 Ensure that ECP best or SPP is selected in the CMOS BIOS setup 2 Printer Driver Error 2 Ensure that the correct driver is loaded Use the driver supplied on the CD or downloaded from the Samsung web site DO NOT use the Microsoft driver supplied with the Windows operating system If the printer is a GDI or SPL type printer ensure that ALL OTHER GDI or SPL drivers are uninstalled as Windows allows only 1 of this type of driver to be loaded 3 Error message insufficient memory 3 Delete any unnecessary files to secure enough The printing job sometimes stops due to insufficient space on the hard disk and start the print job again virtual memory this is caused by insufficient space on the hard disk Service Manual Samsung Electronics 7 6 4 SPOOL Error Troubleshooting SPOOL simultaneous peripheral operations online is the process Windows uses to Description ready to accept them manage print jobs Jobs are processed and then stored on the hard disk until the printer is Check and Cause Solution Insufficient space on the hard disk in the directory assigned for the basic spool 2 If previous printing errors were not solved 3 There may be conflict with other drivers or pr
82. rs For the domestic model the Q PID method has been applied Heat Lamp Method When warming up it has been lower than 68 C over 28 seconds Lower heat error Standby It has been lower than 80 C over 10 seconds Printing 2 consecutive pages it has been lower than 145 C over 4 seconds 3 consecutive page it has been 25 C lower than the fixed fusing temperature over 4 seconds Over heat error It have been higher than 220 C over 3 seconds All over heat error are blinking 4 5 5 LSU The LSU consists of the LD Laser Diode and the polygon motor control When the printing signal occurs the LD is turned on and the polygon motor is enabled When the light sensor detects the beam Hsync occurs When the polygon motor speed becomes a normal LReady occurs If these two conditions are satisfied the status bit of the LSU controller register becomes 1 and the LSU is judged to be ready If the two conditions are not satisfied the error shown in the table below occurs Error Description Polygon motor error When the polygon motor s speed doesn t reach operating speed Hsync error The polygon motor s speed is normal but the Hsync signal is not created Service Manual 17 Samsung Electronics Summary of Product Service Manual Samsung Electronics Disassembly and Reassembly 5 Disassembly and Reassembly 5 1 General Precautions on Disassembly When you disassemble and reassemble
83. rtain semiconductor devices can be easily damaged by static electricity Such components are commonly called Electrostatically Sensitive ES Devices or ESDs Examples of typical ESDs are integrated circuits some field effect transistors and semiconductor chip components The techniques outlined below should be followed to help reduce the incidence of component damage caused by static electricity Caution gt gt Be sure no power is applied to the chassis or circuit and observe all other safety precautions Immediately before handling a semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alternatively employ a commercially avail able wrist strap device which should be removed for your personal safety reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ESDs place the assembly on a conductive surface such as aluminum or copper foil or conductive foam 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 sufficient to dam
84. s admitted to the OPC area and can damage the OPC Drum Take care not to scratch the green surface of OPC Drum Unit If the green surface of the Drum Cartridge is scratched or touched the print quality will be compromised Service Manual 3 Precautions 1 2 5 Disregarding this warning may cause bodily injury 1 Be careful with the high temperature part The fuser unit works at a high temperature Use caution when working on the printer Wait for the fuser to cool down before disassembly 2 Do not put finger or hair into the rotating parts Take care when using a printer It contains many rotating parts Ensure that fingers hair clothing etc do not become caught in the mechanism as this could cause injury 3 When you move the printer This printer weighs 8 8kg 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 8Kg ensure the printer is installed on a level surface capable of supporting its weight Failure to do so could cause the printer to tip or fall possibly causing personal injury or damaging the printer 5 Do not install the printer on a sloping or unstable surface After installation double check that the printer is stable Service Manual Precautions 1 3 ESD Precautions Ce
85. se electric shock When servicing the printer remove the power plug from the wall socket 6 Use caution when inserting or taking off the power plug The power plug has to be inserted completely If not a fire will be caused due to poor contact When taking off the power plug grip the plug and remove it 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 damaged it could overheat and cause a fire or exposed cables could cause an electric shock Replace a damaged power cable immediately do not reuse or repair the damaged cable Some chemicals can attack the coating on the power cable weakening the cover or exposing cables causing fire and shock risks 8 Ensure that the power sockets and plugs are not cracked or broken in any way Any such defects should be repaired immediately Take care not to cut or damage the power cable or plugs when moving the machine 9 Use caution during thunder or lightening storms Samsung recommend that this machine be disconnected from the power source when such weather conditions are expected Do not touch the machine or the power cord if it is still connected to the wall socket in these weather conditions 10 Avoid damp or dusty areas install the printer in a clean well ventilated location Do not position the machine near a humidifier Damp and dust build up inside the machine
86. ss 1 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 electric shock and injury to persons CAUTION INVISIBLE LASER RADIATION WHEN THIS COVER OPEN DO NOT OPEN THIS COVER VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GE FFNET NICHT DEM STRAHL AUSSETZEN ATTENTION RAYONNEMENT LASER INVISIBLE EN CAS D OUVERTURE EXPOSITION DANGEREUSE AU FAISCEAU ATTENZIONE RADIAZIONE LASER INVISIBILE IN CASO DI APERTURA EVITARE L ESPOSIZIONE AL FASCIO PRECAUCION RADIACION LASER IVISIBLE CUANDO SE ABRE EVITAR EXPONERSE AL RAYO ADVARSEL USYNLIG LASERSTR LNING VED BNING N R SIKKERHEDSBRYDERE ER UDE AF FUNKTION UNDG UDSAETTELSE FOR STR LNING ADVARSEL USYNLIG LASERSTR LNING N R DEKSEL PNES STIRR IKKE INN STR LEN UNNG EKSPONERING FOR STR LEN VARNING OSYNLIG LASERSTR LNING N R DENNA DEL PPNAD OCH SP RREN URKOPPLAD BETRAKTA EJ STR LEN STR LEN R FARLIG VARO AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA N KYM TT M LLE LASER S TEILYLLE L KATSO S TEESEEN MEAN 0 SHS AH d0 ABO Sel your FAKAS Service Manual Precautions 1 2 Caution for safety 1 2 1
87. t 5 E E 5 go z o Ons 5 5590 NG S ots VA gt E gt 25 8 z 0 2 x 2 o E 59 52x pa a YG bi uw 64 3 2 5 o 2 9 oa otto 14 gt D I gz 29 ese o S E i a o 5 o 25 358 2 gt gt on oz 2 N SQ T O ooo 2 3 LL OL gt 2 58 E E 2 es o9 D o at 598 car 1 pun i ai c5 Disassembly and Reassembly Remove 4 screws and divide the Fuser into two parts 8 Remove the Thermister from the Fuser Cover Service Manual 53 Samsung Electronics Disassembly and Reassembly 5 7 Exit Roller 1 Before you remove the Exit Roller you should remove Rear Cover see page 5 2 Side Covers see page 5 3 Scanner Ass y see page 5 4 Middle Cover see page 5 6 5 8 LSU 1 Before you remove the LSU you should remove Rear Cover see page 5 2 Side Covers see page 5 3 Scanner Ass y see page 5 4 Middle Cover see page 5 6 2 Unplug 2 connector from the LSU 2 Remove the white Exit Gear and release a bearing clip at one end then remove the shaft and rollers as shown below Exit Gear Bearing Exit Roller OS L 3 Unplug 4 screws and take the LSU out
88. tal Printer Digital Printer E a 3 3 Check and Cause Solution When printing on card stock thicker than normal paper or transparencies such as OHP a higher transfer voltage is required Ensure that the correct paper type is selected in the printer driver or application software Remember to set back to normal paper after use Samsung Electronics Service Manual gt Troubleshooting 7 1 11 Ghost 3 e Description Ghost occurs 57 mm intervals u Check and Cause Solution Digital Printer 1 Fuser contamination 1 Disassemble the fuser and remove any contamination on the rollers Clean any contamination from between the Thermistor and the Heat roller Caution Digital Printer Digital Printer Take care not to deform the rollers 7 3 12 Ghost 4 Description White ghost occurs in a black image printing at 35 5 mm intervals Check and Cause Solution Digital Printer 1 The life of the developer may be expired 1 Problem in the toner cartridge replace the i toner cartridge and try to print out again Digital Printer 2 Abnormal output from the HVPS 2 Check the HVPS supply voltage Clean all Digital Printer Run EDC mode see sections 6 1 2 HV terminals on the cartridge and on the set Replace the HVPS if the problem persists 7 1 13 Stains on the Face of the Page Descr
89. tte 2 Manual Feeder 3 Transfer Roller 4 PTL Pre Transfer Lamp lt Jam0 gt 9 Fuser LsU Laser Scan Unit Q Toner Cartridge o Scan Unit lt Jaml gt lt Jam2 gt 1 After receiving a print command the printer feeds paper from the main cassette or manual feeder as required 2 The paper being fed passes the paper feed sensor Jam 0 occurs if the sensor is not operated within a certain time 3 Having passed the paper feed sensor the paper moves to the paper exit sensor via printing process Jam 1 occurs if the sensor is not operated within a certain time 4 The paper then passes through the paper exit sensor and out of the set Jam 2 occurs if the trailing edge of the paper does not pass the exit sensor within a certain time of the paper leading edge activating the exit sensor Service Manual Samsung Electronics Alignment amp Adjustments 6 3 Clearing Paper Jams When a paper jam occurs Paper Jam appears on the display Refer to the table below to locate and clear the paper jam Message Location of Jam PAPER JAM 0 OPEN CLOSE DOOR In the paper tray PAPER JAM 1 OPEN CLOSE DOOR In the paper exit area PAPER JAM 2 CHECK INSIDE In the fuser area or around the toner cartridge BYPASS JAM In the manual feeder To avoid tearing the paper pull the jammed paper out gently an
90. y 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 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 8 Disconnect printer interface cables and power cables 4 Only use approved spare parts Ensure that part number product name any voltage current or temperature rating are correct b When removing or re fitting any parts do not use excessive force especially when fitting screws into plastic 6 Take care not to drop any small parts into the machine 7 Handling of the Toner Cartridge The OPC Drum can be irreparably damaged if it exposed to light Take care not to expose the OPC Drum either to direct sunlight or to fluorescent or incandescent room lighting Exposure for as little as 5 mins can damage the surface s photoconductive properties and will result in print quality degradation Take extra care when servicing the printer Remove the OPC Drum and store it in a black bag or other lightproof container Take care when working with the covers especially the top cover open as light i

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