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Samsung SCX-4828FN/XAZ, Service Manual

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Samsung SCX-4828FN/XAZ Service Manual Download Page 166

System Diagram

Service Manual

6-1

Samsung Electronics

6. System Diagram

6.1  Block Diagram

Main 

S/

W

INLET

MAIN Controller

SMPS

CHORUS 3

HVPS

FUSER Unit

Thermostat

Thermistor

Exit

Sensor

OPE

PickUp

Clutch

Regi

Clutch

Front Cover

Micro Switch

Rear Cover

Micro Switch

5V, 24V

24VS

FUSER ON

5V, 24V

24VS

24VS

24V

DEVELOPER Unit

FAN

MAIN

FAN

SMPS

OPC

MHV

DEV

Supply

THV

Varistor

T

D

S

DRUM

M

MAIN 

MOTOR

NOR Flash

S29GL128N90TFIR2

0

(1

6MB X 1EA)

DDR2 SDRAM

 K4T1G164QD-ZC

E

6

 

(128MB X 1

E

A)

EEPROM

 M24256

 X 1E

A

SOL

CL

C

R

U

M

LSU 

INTERLOCK 

S/W

LSU

Regi_Dpx

Sensor

Feed

Sensor

Empty

Sensor

DEVICE

SCF

(Option

)

Network

BCM5241

25MHz

USB 2.

0

ISP1761

DDR2 SDRAM

SODIMM

(Max 256MB

)

Clock 

Generator

ASM3P2863A

12MHz

MCLK

VCLK

USB 

CLK

SPEAKER

Battery

CR2032

SERIAL Flash

AT25DF321

LIU

MT

BLDC

PLATEN  MOTOR DRIVER

A3983SLP

LCD (16X2)

SFX336

(CX86710

)

SMART 

DAA

ADF MOTOR 

DRIVER

(TEA

3718 X 2

)

EMPTY

REG

EXIT

MT

STEP

ADF

MOTO

R

CISM

AFE

HT82V2

6

32.768KHz

FAN

LSU

Outbin Full

Sensor

HOST

USB 

memory

(SCX

-4828FN only

)

MT

STEP

PLATEN

MOTOR

Summary of Contents for SCX-4828FN/XAZ

Page 1: ...824FN 24 ppm A4 24 cpm A4 SCX 4828FN 28 ppm A4 28 cpm A4 Print resolrution 1200 dpi effective output CPU 360 Mhz PCL5e PCL6 IBM ProPrinter EPSON PS 4828FN Memory SCX 4824FN 64MB Max 320MB SCX 4828FN 1...

Page 2: ...Layout 2 12 QJLQH 6SHFL FDWLRQV 2 16 2 2 4 S W Descriptions 2 27 3 1 Disassembly and Reassemblyons on Disassembly 3 1 3 1 1 Screws used in the printer 3 2 3 2 General Disassembly 3 3 3 2 1 Front Cove...

Page 3: ...1 Procedure of Checking the Symptoms 4 28 4 2 2 The cause and solution of Bad image 4 29 4 2 3 The cause and solution of the bad discharge 4 45 4 2 4 The cause and solution of the malfunction 4 53 4 2...

Page 4: ...30 5 13 SCF 5 32 6 1 Block Diagram 6 1 6 2 Connection Diagram 6 2 7 1 Tool for Troubleshooting 7 1 7 2 Acronyms and Abbreviations 7 2 7 2 1 Acronyms 7 2 7 2 2 Service Parts 7 4 7 3 The Sample Pattern...

Page 5: ...create electric shock or fire haz ards 3 Laser Safety Statement The Printer is certified in the U S to conform to the requirements of DHHS 21 CFR chapter 1 Subchapter J for Class 1 1 laser products an...

Page 6: ...ion when inserting or removing the power connector The power connector must be inserted completely otherwise a poor contact could cause overheating possibly leading to a fire When removing the power c...

Page 7: ...rry 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 mainb...

Page 8: ...d weighs approximately 13 6 Kg including consumables therefore pay full attention when handling it Be sure not to hold the movable parts or units e g the control panel DADF when transporting the equip...

Page 9: ...ectrical charges sufficient to damage ESDs 5 Do not use Freon propelled chemicals When sprayed these can generate electrical charges sufficient to damage ESDs 6 Do not remove a replacement ESD from it...

Page 10: ...Optimized Desktop MFP for Small Workgroup Target Entry SMB SCX 4824FN SSP 3ULQW 5HVROXWLRQ GGUHVVDEOH GSL 86 1 DVVHWWH 0DQXDO 7UD RS ORQH 3RVWHU RS QLWLDO 6DOHV 2SWLRQDO DVVHWWH SCX 4828FN SSP SSP WU...

Page 11: ...26 LQFOXGLQJ 5HG DW a HGRUD RUH a 0DQGUDNH a DQG 6X6 a 0DF 4 LQGRZV 3 6HUYHU 9LVWD ELWV LQGRZV 3 6HUYHU 9LVWD ELWV LUHG QHWZRUN 3URWRFRO 7 3 3 WKHUWDON 6103 773 7 3 3 WKHUWDON 6103 773 LUHG QHWZRUN 6...

Page 12: ...PHV UVW 6 7 LIH FOH VKHHWV RU HDUV ZKLFKHYHU FRPHV UVW VKHHWV RU HDUV ZKLFKHYHU FRPHV UVW 3ULQW 6SHFL FDWLRQV Items SCX 4824FN SCX 4828FN 0HWKRG DVHU HDP 3ULQWLQJ DVHU HDP 3ULQWLQJ 6SHHG 6LPSOH 8S WR...

Page 13: ...HV 3ODWHQ RQO 3RVWHU HV 3ODWHQ RQO 1 XS FRS XS XS ROODWLRQ RS HV XWR LW RS HV 3ODWHQ RQO VLGH RS HV 3ODWHQ RQO ORQH HV 3ODWHQ RQO 3RVWHU HV 3ODWHQ RQO XSOH RS 1 1 6FDQ 6SHFL FDWLRQV Items SCX 4824FN...

Page 14: ...6WDQGDUG GSL LQH GSL 6XSHU LQH GSL 3KRWR GSL RORU GSL 0D GSL 6WDQGDUG GSL LQH GSL 6XSHU LQH GSL 3KRWR GSL RORU GSL Memory 0 SSUR SDJHV DW 78 7 KDUW 0D ORFDWLRQV WR VWRUH WR URXS LDO locations D RUZDUG...

Page 15: ...HG 3DSHU UFKLYH 3DSHU 0HGLD ZHLJKW a OE WR J a OE WR J Sensing Paper empty sensor Paper empty sensor 0DQXDO 7UD DSDFLW VKHHWV J VKHHWV J Media Sizes HWWHU HJDO ROLR 2 FLR HFXWLYH 62 6 0RQDUFK 1R HWWHU...

Page 16: ...UWULGJH LHOG LQ DFFRUGDQFH ZLWK 62 6WDQGDUG YHUDJH DUWULGJH LHOG VWDQGDUG SDJHV LJK LHOG YHUDJH FDUWULGJH LHOG VWDQGDUG SDJHV HFODUHG FDUWULGJH LHOG LQ DFFRUGDQFH ZLWK 62 LIH HWHFW 7RQHU JDXJH VHQVRU...

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Page 18: ...VKHHWV VKHHWV VKHHWV XSOH 0RGXOH 1 Default 1 DUWULGJH 6DOHV Processor 0 0 0 Memory 0 0D 0 0 0D 0 0 0D 0 QWHUIDFH 86 7 86 7 86 7 Emulation 3 3 H 3 3 H 36 3 3 H 36 Modem Speed NESV NESV NESV Scan 5HVRO...

Page 19: ...Q FRPSRQHQW 2 2 1 Printer Components 2 2 1 1 Front View 1 Document width guides 9 Document output tray 2 ADF cover 10 USB memory port 3 Control panel 11 Paper level indicator 4 Output support 12 Optio...

Page 20: ...2 11 Samsung Electronics 2 2 1 2 Rear View 1 Telephone line socket 6 Handle 2 Extension telephone socket EXT 7 Control board cover 3 USB port 8 Rear cover 4 Network port 9 Power receptacle 5 15 pin o...

Page 21: ...ure Service Manual 2 12 Samsung Electronics 2 2 2 System Layout Engine Layout Scanner ADF Layout LSU DEVE CASSETTE DUPLEX FUSER 52 5 3 8P 52 5 29 5 23 1 29 5 23 1 52 5 6 1 833 5 6 1 833 5 6S 7 5 7 52...

Page 22: ...SLFNXS IXQFWLRQ GULYLQJ FRQWURO IXQFWLRQ SDSHU IHHGLQJ IXQFWLRQ DQG UHPRYLQJ HOHFWURQLF VWDWLF IXQFWLRQ 4 Registration roller W KDV D SDSHU DUUDQJLQJ IXQFWLRQ SDSHU WUDQVIHUULQJ IXQFWLRQ SDSHU GHWHFW...

Page 23: ...D SUHVVXUH UROOHU WRQHU DGKHUHV WR WKH VXUIDFH RI D SDSHU SHUPDQHQWO 4 Items for safety 3URWHFWLQJ GHYLFH IRU RYHUKHDWLQJ VW SURWHFWLRQ GHYLFH DUGZDUH FXWV RII ZKHQ RYHUKHDWHG QG SURWHFWLRQ GHYLFH 6R...

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Page 25: ...H FRQWURO XVHU FRQWURO 2Q 2II 2 VLJQDO KDQGOLQJ 6HQVRU OXWFK VLJQDO 23 6 02 0 6 FRQWURO 580 RQWURO 1 RQWURO DDR2 SDRAM DDR2 SDRAM CHORUS3 CHORUS3 EEPROM EEPROM NOR Flash NOR Flash USB 2 0 IC USB 2 0 I...

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Page 28: ...V WKH HQYLURQPHQWDO UHFRJQLWLRQ YROWDJH 2XWSXW 9ROWDJH RQWURO 0HWKRG 7UDQVIHU 2XWSXW 9ROWDJH LV RXWSXWWHG DQG FRQWUROOHG E FKDQJLQJ XW RI 7 93 0 6LJQDO KDUJH 9ROWDJH 0 9 QSXW 9ROWDJH 9 2XWSXW 9ROWDJH...

Page 29: ...V VWHP W LV DVVHPEOHG E DQ LQGHSHQGHQW PRGXOH VR LW LV SRVVLEOH WR XVH IRU FRPPRQ XVH W LV PRXQWHG DW WKH VLGH RI WKH VHW W LV FRQVLVWHG RI WKH 6036 SDUW ZKLFK VXSSOLHV WKH SRZHU IRU GULYLQJ WKH V VWH...

Page 30: ...LPXP RXWSXW Protection for loading VKRUWDJH DQG RYHU RZLQJ current 6KXW GRZQ 2 5 5 0A or Fuse Protection 8QGHU 36 VSHF 6KXW GRZQ a5 RU 9ROWDJH URS WULS SUNGHO CON3 Main PBA CON 24V 3 5 7 9 5V 11 13 15...

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Page 34: ...SDSHU SDVVHV WKH IHHG VHQVRU WKH SDSHU FDQQRW UHDFK WKH H LW VHQVRU DIWHU FHUWDLQ WLPH 7KH H LW VHQVRU FDQQRW EH 21 7KH SDSHU H LVWV EHWZHHQ WKH IHHG VHQVRU DQG WKH H LW VHQVRU 0 IWHU WKH WUDLOLQJ HG...

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Page 38: ...UQHO UHFHLYHV WKLV GDWD IURP RVW DQG WKHQ VHOHFW HPXODWLRQ W WR GDWD DQG VWDUW VHOHFWHG RQH IWHU HPXODWLRQ MRE HQG HUQHO VHQGV WKH RXWSXW ELW PDS GDWD WR QJLQH XVLQJ 3ULQWHU 9LGHR RQWUROOHU E FORFN W...

Page 39: ...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...

Page 40: ...TAPTITE PWH B M3 L10 NI PLT SWRCH18A 3 6003 000269 ELA UNIT SCAN DRIVE SCREW TAPTITE BH S M3 L6 ZPC WHT SWRCH18A 2 6002 000440 ELA HOU FRAME SCREW TAPPING PWH 2 M3 L8 ZPC BLK SWRCH18A 13 6003 000196 S...

Page 41: ...2 Rear Cover 1 Open the front cover after take out the cassette 2 Separate the front cover from the lock the frame by pulling the front cover to the direction of arrow 1 Remove the Duplex unit 2 Open...

Page 42: ...Samsung Electronics 3 2 3 Right Left Cover 1 Remove the one screw And pull and release the right cover somewhat 2 Release the right cover after unplug the 1 connector from Main PBA 3 Pull the left co...

Page 43: ...Assy 3 2 4 1 ADF Unit 1 Remove the 2 screws after remove the right cover 2 Remove the one screw and connected harness from Main board And lift the Scan Assy to the direction of arrow 1 Unplug the har...

Page 44: ...Disassembly and Reassembly Service Manual 3 6 Samsung Electronics 3 2 4 2 Stacker TX 1 Remove the 2 screws from the bottom of ADF Assy 2 Lift up and release the Stacker TX...

Page 45: ...gine unit 1 Open the ADF cover and remove it And remove the pick up roller by following below sequence 2 Remove the ADF engine unit after remove the 2 screws from the bottom of SET 3 Remove the 2 scre...

Page 46: ...3 8 Samsung Electronics 3 2 4 4 OPE Unit 3 2 4 5 CIS Unit 1 Pull up the OPE unit 2 Remove the 2 connector and release the OPE unit 1 Remove the 4 screws of the Scan upper 2 Remove the 4 screw and 1 CI...

Page 47: ...ont and rear of the SET Unplug the harness connected to the main board And lift the middle cover up 1 Remove the rear cover Remove the Guide rear by pushing both side and removing the hinge 2 Remove t...

Page 48: ...sy Before disassembly remove the cassette Cover front Cover left Cover rear 1 Release the LSU after remove the 4 screws and one connector 1 Remove the rear cover Remove the Guide rear by pushing both...

Page 49: ...PS Main board Before disassembly remove the cover front cover rear cover rigth 1 Release the HVPS board after remove the 6 screws and 1 connector 2 Release the SMPS board after remove the 4 screws and...

Page 50: ...ssembly Service Manual 3 12 Samsung Electronics 3 2 10 Transfer roller 1 Push HOLDER TRANSFER which holds the transfer roller and remove the roller from set Caution Be carefull not to touch the sponge...

Page 51: ...Disassembly and Reassembly Service Manual 3 13 Samsung Electronics 3 2 11 Holder Pad unit 1 Remove the CASSETTE from SET 2 Disassemble HOLER PAD after putting out three HOOKs...

Page 52: ...atus and prompts during an operation 4 Status Shows the status of your machine 5 Fax Activates Fax mode 6 Copy Activates Copy mode 7 Scan Email Activates Scan mode 8 Menu Enters Menu mode and scrolls...

Page 53: ...tomatically Green On 7KH PDFKLQH LV SRZHUHG RQ DQG FDQ EH XVHG Blinking KHQ WKH JUHHQ VORZO EOLQNV WKH PDFKLQH LV UHFHLYLQJ GDWD IURP the computer KHQ WKH JUHHQ UDSLGO EOLQNV WKH PDFKLQH LV SULQWLQJ G...

Page 54: ...Service Manual 4 3 Samsung Electronics 4 1 3 Paper path Scanner Part Engine Part LSU DEVE CASSETTE DUPLEX FUSER 52 5 PICK UP 52 5 COVER OPEN COVER OPEN 52 5 SCAN UPPER SCAN UPPER 66 7 5 EXIT 52 5 ADF...

Page 55: ...3 Rotate the bushing on the right end of the ADF roller toward the ADF 1 and remove the roller from the slot 2 Pull the document gently to the left and out of the ADF 4 Align the left end of the ADF r...

Page 56: ...the paper from the document output tray by carefully pulling it to the right using both hands RDG WKH UHPRYHG SDJHV EDFN LQWR WKH Roller misfeed 1 Open the scanner lid 2 Seize the misfeed paper and re...

Page 57: ...m 2 Check Inside Inside the machine or in the fuser area Duplex Jam 0 Check Inside Inside the machine Duplex Jam 1 Open Close Door In the paper feed area or inside the machine In the paper feed area I...

Page 58: ...the feeding area and if so pull it out gently and slowly RDG D SDSHU LQWR WKH PDQXDO WUD 3 Open the front cover and close it The machine will resume printing In the toner cartridge area If paper is ja...

Page 59: ...Pull the guide rear on each side down and carefully take the jammed paper out of the machine Return the guide rear to its original position 4 Close the rear cover Printing automatically resumes In the...

Page 60: ...ptional Tray follow the next steps to release the jammed paper 1 Pull the optional tray open 2 If you see the jammed paper remove the paper from the machine by gently pulling it straight out as shown...

Page 61: ...opy Setup Duple x Change Default Copie s Copy Colla tion Redu ce Enlar ge Darkness Origina l Type Scan Feature USB Feature Scan Size Origina l Type Resolutio n Scan Colo r Scan Form at E mail Fe ature...

Page 62: ...f the display 3 Press the OK button to access the menu 3UHVV WKH HIW ULJKW DUURZ EXWWRQV XQWLO WKH PHQX LWHP H 0HQX 0DS RX ZDQW GLVSOD V RQ WKH ERWWRP line 3UHVV WKH 2 EXWWRQ WR FRQ UP WKH VHOHFWHG LW...

Page 63: ...press LQ VHTXHQFH DQG WKH EULH GLVSOD V 7 WKH PDFKLQH KDV HQWHUHG VHUYLFH WHFK PRGH 4 1 5 2 Setting up System in Tech Mode In service tech mode the technician can check the machine and perform variou...

Page 64: ...below the set value You can select the rate between 5 and 10 CLEAR ALL MEMORY The function resets the system to factory default settings This function is used to reset the system to the initial value...

Page 65: ...SJUDGH 6DYH WKH OHV LQ WKH VDPH IROGHU 2 In the DOS input as below and push the enter key Then it will be automatically upgraded 3 There are two commands for the conditions of product KHQ WKH SURGXFW...

Page 66: ...es all of the Copy Setup options to the factory default D 6HWXS Restores all of the Fax Setup options to the factory default D HDWXUH Cancels all of the scheduled fax jobs in the machine s memory As b...

Page 67: ...the new password 7 02 7 6 783 127 721 5 5 6 5 6 3DVVZRUG I RX DUH WR HQDEOH WKH 5 6 V VWHP 1RWLI 7RQHU RSWLRQ VKRXOG EH 2II 3 3 Call setup Release In order to perform any RDS activity on a Customer MF...

Page 68: ...RZV 2 ROM TEST 8VH WKLV IHDWXUH WR WHVW WKH PDFKLQH 6 520 7KH UHVXOW DQG WKH VRIWZDUH YHUVLRQ DSSHDU LQ WKH GLVSOD 6 9 5 9 1 1 9 5 9 PATTERN TEST Using this pattern printout you can check if the print...

Page 69: ...up 3 T 30 protocol during the most recent sending or receiving operation Use this list to check for send and receive errors If a communication error occurs while the PDFKLQH LV LQ 7 PRGH WKH SURWRFRO...

Page 70: ...Alignment Troubleshooting Service Manual 4 19 Samsung Electronics supplies information report...

Page 71: ...ed system f w and diagnose printer s each function 0HWKRG WR HQWHU IWHU WXUQ RQ WKH V VWHP SRZHU FKHFN WKH 5HDG PHVVDJH RQ WKH 2 To enter the EDC Mode Push the button like next time 0HQX 6WRS HIW DUUR...

Page 72: ...PRWRU ZLOO EH VORZO UXQ 0DLQ PRWRU ZLOO DXWR VWRS DIWHU VHFRQGV DQG 2 PHVVDJH ZLOO EH displayed 3 Fan Test Item Description Fuser Fan I 2 NH LV SXVKHG DIWHU 21 GLVSOD HG IDQ ZLOO EH UXQ XVHU IDQ ZLOO...

Page 73: ...OO EH GLVSOD HG 68 5HDG I 2 NH LV SXVKHG DIWHU 21 GLVSOD HG PRWRU ZLOO EH UXQ PHVVDJH will be displayed V QF I 2 NH LV SXVKHG DIWHU 21 GLVSOD HG PRWRU ZLOO EH UXQ PHVVDJH will be displayed 7 DEV Contr...

Page 74: ...ge 1 OPC Drum 75 5mm KLWH VSRW ORFN 6SRWV 2 Charge Roller 26 7mm Block Spot and Periodic Band 3 Supply Roller 47 1mm Periodic Band by little difference of density 4 Developing Roller 35 2mm KLWH 6SRW...

Page 75: ...ing fax machine has not answered after several redial attempts Try again Make sure that the receiving machine is operational Stop Pressed Stop Clear has been pressed during an operation Try again yyy...

Page 76: ...al a number manually using the number keypad Install Toner The toner cartridge is not installed Install the toner cartridge Invalid Toner The toner cartridge you have installed is not for your machine...

Page 77: ...area Clear the jam Replace Toner This message appears between Toner PSW DQG 7RQHU RZ VWDWXV Replace the toner cartridge with a new one Retry Redial 7KH PDFKLQH LV ZDLWLQJ IRU D VSHFL HG time interval...

Page 78: ...rk as Stop is selected Replace the toner cartridge with a new one Toner Exhausted The lifespan of the toner cartridge which the arrow indicates is reached This message appears when the toner is comple...

Page 79: ...ptoms HIRUH DWWHPSWLQJ WR UHSDLU WKH SULQWHU UVW REWDLQ D GHWDLOHG GHVFULSWLRQ RI WKH SUREOHP IURP WKH FXVWRPHU Power On UURU 21 Ready or Power save Test Print printing Quality is 1RPDO Refer to Solut...

Page 80: ...ting 3 Partly depression or deformation on the surface of the transfer roller 2 Scratched surface of the charge roller in the toner cartridge 1 Damaged develop roller in the Toner cartridge Deformed D...

Page 81: ...nd blade In case the life of the toner cartridge has been expired white lines or light image occur in front of the image 1 Foreign matter stuck onto the window of internal lenses RI 68 PLUURU Foreign...

Page 82: ...7mm Supply roller 47 1mm Develop roller 35 2mm Transfer roller 47mm 1 Bad contacts of the voltage terminals to toner cartridge Clean each voltage terminal of the Charge Supply Develop and Transfer ro...

Page 83: ...interval 1 If dark or blurry black spots occur periodically the rollers in the Toner cartridge may be contaminated with foreign matter or paper particles Charge roller 26 7 mm interval OPC drum 75 5...

Page 84: ...gh voltage terminal in WKH 936 DQG WKH RQH in the set 4 Abnormal output IURP WKH 936 5XQ VHOI WHVW DQG FKHFN a Check if the Toner Save mode is off Check if the density is light No 1 Replace the toner...

Page 85: ...ide of the Toner cartridge and charge terminal RI 936 3 VD0 signal of the Main PBA LV RZ VWDWH 1 No charge voltage in the engine board Check the state of the connector which connects the engine board...

Page 86: ...d blade 2 The life of the Toner cartridge has expired 1 The pressure force on the left and right springs of the transfer roller is not even the springs are damaged the transfer roller is improperly in...

Page 87: ...r a page and hasn t it been XVHG ORQJ WLPH The toner cartridge is basically designed to print 7K sheets with 5 image If it prints more than 8K sheets with 2 coverage a background can occur Replace the...

Page 88: ...s between high voltage terminal in the main body and the one in the 936 ERDUG 3 The life of toner cartridge is expired 4 Transfer roller lifetime 50K sheets has expired Clean the terminals when contam...

Page 89: ...Samsung Electronics 5 Abnormal low temperature below 10 6 Damaged cleaning blade in the toner cartridge ait about 1 hour after power on before using printer Occur in the toner cartridge replace the t...

Page 90: ...or transparencies using manual feeder KHQ SULQWLQJ RQ FDUG VWRFN thicker than normal paper or WUDQVSDUHQFLHV VXFK DV 2 3 higher transfer voltage is required Select Thick Mode on paper type menu from t...

Page 91: ...ervals The temperature of the fuser is maintained high Disassemble the fuser and remove the contaminated toner particles on the roller and clean the foreign matter between Thermistor and HDW UROOHU Ca...

Page 92: ...transfer roller is contaminated stains on the face of page will occur 1 Toner leakage due to improperly sealed toner cartridge Replace the toner cartridge If the transfer roller is contaminated run P...

Page 93: ...erform the OPC Cleaning Mode Print 2 or 3 times Run Self Test to remove the contamination of the transfer roller 1 Replace the transfer roller if contaminated severely 2 Disassemble the fuser and clea...

Page 94: ...ription Blank page is printed Bad ground contacts in OPC and or toner cartridge 1 Check if the Ground OPC is defective set inside right side 2 Remove contamination of the terminals of the toner cartri...

Page 95: ...r turns on several blank pages print 1 Bad ground contacts in OPC and or toner cartridge Remove contamination of the terminals of the toner cartridge 2 Abnormal solenoid 1 Perform the engine self test...

Page 96: ...45 Samsung Electronics 4 2 3 The cause and solution of the bad discharge 1 Wrong Print Position Description Printing begins at wrong position on the paper rong sense time caused by defective feed sens...

Page 97: ...whether the assembly slot between shaft pickup and housing pickup opens or is broken away 5 If the paper feeds into the printer and Jam 0 occurs perform EDC Mode to check feed sensor of the engine boa...

Page 98: ...in the fuser just after passing through the Actuator Feed 1 If the recording paper is jammed in front of or inside the fuser 2 If the recording paper is stuck in the discharge roller and the fuser jus...

Page 99: ...away or transformed It occurs when the Spring of a Guide claw is broken away or transformed W RFFXUV ZKHQ WKH HDW 5ROOHU RU Pressure Roller is seriously contaminated with the toner Check if the exit...

Page 100: ...ont or inside a duplex module 2 It is a case that a paper cannot reach to a registration sensor 1 A case that a paper jam occurs on A after it is reversed replace a 2nd exit roller after checking its...

Page 101: ...H Rear in the Cassette if the position is correct Replace the solenoid if necessary 2 Solenoid malfunction the solenoid does not work properly Perform EDC Mode Replace the Main PBA 3 Pad Friction is c...

Page 102: ...f set After disassembling the fuser clean contamination between the heat roller and the thermostor and remove the contamination of the pressure roller 2 Check the claw of the fuser whether it is defor...

Page 103: ...tion Paper is rolled up in the OPC RZ WR UHPRYH WKH UROOHG SDSHU in the OPC Remove the paper while turning the OPC against the ongoing direction Clean fingerprints on the OPC softly with soft cloth da...

Page 104: ...whether a thermostat AC wire and heat lamp are open or not Replace the fuser if a thermostat is open Replace the fuser if a thermistor sensor is located deep inside of a sponge Check whether the overh...

Page 105: ...ronics 2 LSU Error Description PMOTOR ERROR HSYNC ERROR KHFN ZKHWKHU WKH 68 connector is disconnected or not 5HSODFH D 68 Replace a main board if the same error occurs again after replacing D 68 KHFN...

Page 106: ...l 4 55 Samsung Electronics 3 Not function of the gear of the fuser due to melting away Description The motor breaks away from its place due to gear melting away KHFN WKH HDW DPS 1 Replace the Fuser 2...

Page 107: ...Description Paper empty error message is displayed on LCD when paper is loaded in the cassette 1 Bending or deformation of the actuator of the paper sensor Replace the defective actuator Replace the S...

Page 108: ...pty without indication Description Paper empty error message does not display when the paper cassette is empty 1 Bending or deformation of the actuator of the paper sensor Replace the defective actuat...

Page 109: ...en the print cover is closed 1 The hook lever in the front cover or Guide rear may be defective Replace the hook lever if defective 1 Check the insertion of the RYHU 2SHQ 6 RQQHFW 2 Replace the Main C...

Page 110: ...er is open Description The Error LED does not come on even when the printer cover is open 1 Check the connector and circuit of the cover switch department in the Main Control board Perform EDC test 1...

Page 111: ...ed on all lamps on the operator panel do not come on 1 Check if the power input and SMPS output are normal Replace the power supply cord or SMPS 1 Replace the control board 2 Replace the OP panel 2 Ch...

Page 112: ...ine Getting Curved Description When printing vertical line gets curved I WKH VXSSO RI Y LV unstable in the Main Control board OLQNLQJ ZLWK 68 FKHFN GULYH E EDC Mode 68 KHFN 5HSODFH 68 1 Replace theTon...

Page 113: ...rt is proper If you use windows check if the printer driver in the controller is set up If the printer driver is properly set up check in which program the printing is not working The best way to find...

Page 114: ...nter port is not proper Check if the connection is properly done and if the parallel port in CMOS is rightly set up As a printer port Select ECP or SPP among SPP Normal ECP and EPP modes increase prin...

Page 115: ...ort in the CMOS SETUP Select SPP Normal or ECP 37 Port the among ECP EPP or SPP in the CMOS Setup Check the printer in My Computer to see if the printer driver is compatible to the present driver or d...

Page 116: ...ams except the current one if possible KHQ H SHFWHG WR FROOLGH with other program Delete the printer driver completely and reinstall it KHQ DQ DSSOLFDWLRQ program or the printer driver is damaged Afte...

Page 117: ...7 1 FRUUHFWO If the telephone cord is normal but there is no dial tone then try to UHSODFH WKH 8 G I RX FDQQRW KHDU WKH 2 VRXQG WKH 23 Ass y may be defective Try to replace the OPE Ass y KHFN LI LW PD...

Page 118: ...RXQG WKH 23 Ass y may be defective Try to replace the OPE Ass y I RX FDQ FDWFK D VRXQG after checking the connection of 51 66 EHWZHHQ WKH 8 DQG the Main PBA try to replace the 51 66 LOH WKH 877ON KEY...

Page 119: ...e FAX FORWARD RECEIVE is not functioning 1 Check if you can catch a dial tone by pressing 2 If the MODEM testing is normal and there is no dial tone then try WR UHSODFH WKH 8 G If the MODEM testing is...

Page 120: ...ceived data are broken 1 Check if there is NOISE when pressing on hook dial If it makes NOISE while using on hook dial replace or repair the telephone line 2 Check the RECEIVE condition by trying to f...

Page 121: ...iption FORWARD is functioning but RECEIVE is not functioning or the received data are broken 1 Check if there is NOISE when pressing on hook dial If it makes NOISE while on hooking replace or repair t...

Page 122: ...hened or cut in the printing 1 Check if there is NOISE when pressing on hook dial If it makes NOISE rearrange the telephone line Refer to Defective FAX RECEIVE Check if the FAX status of the forwardin...

Page 123: ...ics 7 Defective FAX RECEIVE 3 Description The phone is ringing continuously but it cannot receive Check if the RECEIVE Mode is 7 MODE or FAX MODE Even when the RECEIVE Mode is changed to FAX MODE it c...

Page 124: ...amsung Electronics 8 Defective FAX RECEIVE 4 Description The received data is reduced by more than 50 in the printing Check the FAX status of the forwarding side After checking the data of the forward...

Page 125: ...iption The automatic receiving function is not working 1 Check if the RECEIVE Mode is 7 MODE or FAX MODE 1 If the RECEIVE Mode is set to the 7 MODE reset it to the FAX MODE 2 Even after the RECEIVE Mo...

Page 126: ...k Copy Description Black page is printed out when copy 1 Check the Scan Cover open Room light ca transit a thin original Remake shading profile in the tech mode 2 Check shading profile 3 Check white b...

Page 127: ...rvice Manual 4 76 Samsung Electronics 2 White Copy Description White page is printed out when Copy 1 Check the CIS problem in Main PBA Check the CIS harness contact Remake shading profile in the tech...

Page 128: ...1 Check the Scanner Motor and any mechanical disturbance Check the right position of the Scanner Motor and check the any mechanical disturbance in the CIS carriage part If any driver is defective rep...

Page 129: ...ve Image Quality Description The copied image is light or bad 1 Check shading profile Remake shading profile in the tech mode The gap above 0 5 mm can cause a blurred image 2 Check the gap between ori...

Page 130: ...e PC and the cable are not connected properly reconnect it After confirming that it is proper by performing a PC printing test related to driver setup if it is not so reinstall it Refer to User s Manu...

Page 131: ...C scanned is not clear or bad 1 Check the waveform form by performing a CIS test in 7 0RGH If the CIS waveform form is abnormal try to replace the CIS Ass y If the resolution is set to low let the use...

Page 132: ...5 10 Duplex Unit 5 25 5 11 Fuser 5 27 5 12 Cassette 5 30 5 13 SCF 5 32 5 ExplodedView and Parts DIGITAL LASER MFP The keynote of Product Print Copy Speed SCX 4824FN 24 ppm A4 24 cpm A4 SCX 4828FN 28...

Page 133: ...ervice Manual 5 2 Samsung Electronics Thumbnail 5 1 Main 5 2 Cover Ass y 5 3 Cover Middle 5 4 Frame 5 5 Main Drive 5 6 Scan Ass y 5 7 ADF Ass y 5 8 Platen Ass y 5 9 OPE Unit 5 10 Duplex Unit 5 11 Fuse...

Page 134: ...ExplodedView and Parts Service Manual 5 3 Samsung Electronics 5 1 Main 6 2 1 4 17 9 10 11 8 12 7 14 15 16 18 19 25 13 3 5 21 0 20 29 23 22...

Page 135: ...PS 1 SA 5 1 8 JC96 04731A ELA UNIT RX DRIVE 1 SA 5 1 9 JC39 00820A CBF HARNESS MOTOR SOLENOID 1 SA 5 1 10 JC39 00816A CBF HARNESS AC INLET 1 SA 5 1 11 JC66 01218A ROLLER TRANSFER 1 SA 5 1 12 JC96 0473...

Page 136: ...ExplodedView and Parts Service Manual 5 5 Samsung Electronics 5 2 Cover Ass y 1 2 3 4 5 2 1 2 2 2 3 2 4 3 1 3 2 3 3 3 4 4 1 4 2 4 3 4 4 1 1 1 2 1 3 1 4 1 5 0...

Page 137: ...1 SNA 5 2 2 JC97 03221A MEA COVER LEFT 1 SA 5 2 2 1 JC63 01920A COVER LEFT 1 SNA 5 2 2 2 JC72 01405A SPONGE COVER SIDE L 1 SNA 5 2 2 3 JC72 01460A SPONGE SIDE BOTTOM L 1 SNA 5 2 2 4 JC72 01462A SPONG...

Page 138: ...ExplodedView and Parts Service Manual 5 7 Samsung Electronics 5 3 Cover Middle 0 7 11 10 8 9 1 6 4 5 5 3 2...

Page 139: ...STACKER RX LARGE 1 SNA 5 3 3 JC61 02584A STACKER RX SMALL 1 SNA 5 3 4 JC63 01913A GROUND BRUSH 1 SNA 5 3 5 JC72 01343A PMO SUB_M_STACKER 2 SA 5 3 6 JC63 01921A COVER MIDDLE 1 SNA 5 3 7 JC63 01927A CO...

Page 140: ...4 Frame1 0 1 2 3 4 4 5 6 6 1 6 2 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 21 1 21 2 21 3 22 23 23 24 25 25 26 26 1 26 2 26 3 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 49 48 50 5...

Page 141: ...Manual 5 10 Samsung Electronics 5 4 Frame2 0 1 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 75 80 81 82 83 84 85 86 87 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 102 103 104 105 106 107...

Page 142: ...4 13 JC96 04732A MEA UNIT SWING 1 SA 5 4 14 JC66 01651A GEAR DUPLEX RDCN 1 SA 5 4 15 JC61 02220A COLLAR SWING 1 SA 5 4 16 JC61 02225A BRKT SWING 1 SA 5 4 17 JC66 01655A SHAFT FEED REGI 1 SA 5 4 18 JC...

Page 143: ...A 5 4 46 JC61 02311A FRAME LSU HOLDER_L 1 SA 5 4 47 JC61 02574A FRAME EXIT_HIGH 1 SA 5 4 48 JC66 00875A GEAR M FUSER IDLE 1 1 SA 5 4 49 6044 001005 RING CS 1 SA 5 4 50 JC39 00826A CBF HARNESS LSU SW F...

Page 144: ...USH PICK UP 1 SA 5 4 90 JC61 02306A GUIDE PAPER 1 SA 5 4 91 JC61 02400A GUIDE FRONT PAPER 1 SA 5 4 92 JC61 02305A GUIDE TR_RIB 1 SA 5 4 93 JC61 00604A PLATE E_SAW 1 SA 5 4 94 JC61 02307A GUIDE TR 1 SA...

Page 145: ...VICE AVAILABLE SNA SERVICE not AVAILABLE Drawer SEC_Code Description QT y Service Remark 5 4 112 6107 001172 SPRING CS 1 SA 5 4 114 JC97 03067A MEA UNIT GUIDE REAR 1 SA 5 4 115 JC61 00424A BUSH 4 1 SN...

Page 146: ...ExplodedView and Parts Service Manual 5 15 Samsung Electronics 5 5 Main Drive 0 1 15 15 15 15 2 12 4 19 11 12 3 13 14 5 12 7 8 9 6 20 10 18...

Page 147: ...IN 61 1 SA 5 5 5 JC66 01626A GEAR RDCN 89 55 1 SA 5 5 6 JC66 01633A GEAR OPC DR IN 89 1 SA 5 5 7 JC66 01625A GEAR FEED RDCN 56 25 1 SA 5 5 8 JC66 01640A GEAR PICKUP IDLE 31 1 SA 5 5 9 JC66 01650A GEA...

Page 148: ...ExplodedView and Parts Service Manual 5 17 Samsung Electronics 5 6 Scan Ass y 1 2 3 4 0...

Page 149: ...ce Remark 5 6 0 JC96 05074D ELA HOU SCAN_HIGH 1 SA SCX 4828FN JC96 05074M ELA HOU SCAN_LOW 1 SA SCX 4824FN 5 6 1 JC67 00304A CAP ADF CONNECTOR 1 SNA 5 6 2 JC96 05091A ELA HOU ADF 1 SA 5 6 3 JC96 05095...

Page 150: ...ExplodedView and Parts Service Manual 5 19 Samsung Electronics 5 7 ADF Ass y 0 8 9 3 3 7 3 3 3 4 5 10 9 3 3 3 3...

Page 151: ...rvice Remark 5 7 0 JC96 05091A ELA HOU ADF 1 SA 5 7 3 6003 000196 SCREW TAPTITE 10 SA 5 7 4 JC96 05092A ELA HOU ADF MOTOR 1 SA 5 7 5 JC96 05093A ELA HOU ADF LOWER 1 SA 5 7 6 JC97 01962A MEA UNIT PICKU...

Page 152: ...21 Samsung Electronics 5 8 Platen Ass y 1 1 3 2 1 7 1 2 1 6 1 11 1 8 1 3 1 5 1 9 1 1 1 10 1 10 16 1 10 15 1 10 13 1 10 2 1 10 3 1 10 9 1 10 4 1 10 10 1 10 6 1 10 17 1 10 7 1 10 5 1 10 14 1 10 8 1 10...

Page 153: ...05 CONTACT IMAGE SENSOR 1 SA 5 8 1 10 4 JC61 02506A BRACKET CIS 1 SNA 5 8 1 10 5 6107 001137 SPRING CS 2 SA 5 8 1 10 6 JC39 00951A FLAT CABLE 1 SNA 5 8 1 10 7 6602 001637 BELT TIMING GEAR 1 SA 5 8 1 1...

Page 154: ...ExplodedView and Parts Service Manual 5 23 Samsung Electronics 5 9 OPE Unit 14 5 2 10 3 12 13 11 9 6 8 4 7 1...

Page 155: ...OVER OPE 1 SNA SCX 4828FN JC63 01924M COVER OPE 1 SNA SCX 4824FN 5 9 3 JC63 00076A COVER WINDOW SF 530 1 SNA 5 9 4 6003 000196 SCREW TAPTITE 4 SA 5 9 5 JC64 00386A KEY EXTRA 1 SNA 5 9 6 JC64 00387A KE...

Page 156: ...ExplodedView and Parts Service Manual 5 25 Samsung Electronics 5 10 Duplex Unit Only SCX 4828FN 0 17 18 16 16 18 17 19 15 13 14 20 2 3 1 4 4 12 12 1 12 2 12 12 1 12 2 5 6 10 11 7 8 9...

Page 157: ...SNA 5 10 7 JC66 00900A PULLEY M 18 DUMMY_DUP 6 SA 5 10 8 JC66 00899A PULLEY 18_DUP 3 SA 5 10 9 JC66 00038A GEAR EXIT F DOWN 1 SA 5 10 10 6602 001589 BELT TIMING GEAR 1 SA 5 10 11 6602 001588 BELT TIM...

Page 158: ...ExplodedView and Parts Service Manual 5 27 Samsung Electronics 5 11 Fuser 0 17 16 15 18 34 38 19 2 8 36 35 33 1 7 31 11 12 26 22 21 20 28 27 24 25 9 4 13 3 30 23 37 29 39 10 5 6 32...

Page 159: ...13 JC61 02335A BUSH HR R 1 SNA 5 11 14 JC72 20902A PEX ROLLER F UP 2 2 SA 5 11 15 6107 001359 SPRING ETC 4 SA 5 11 16 JC61 02538A GUIDE CLAW 4 SNA 5 11 17 JC61 01950A SPRING ETC CLAW 4 SA 5 11 18 6107...

Page 160: ...11 36 6044 000001 RING CS 2 SNA 5 11 37 0604 001095 PHOTO INTERRUPTER 1 SA 5 11 38 JC61 02520A PLATE ACTUATOR 1 SNA 5 11 39 JC39 00946A HARNESS FUSER AC 1 SNA 5 11 40 JC39 00819A HARNESS FUSER JOINT 1...

Page 161: ...ExplodedView and Parts Service Manual 5 30 Samsung Electronics 5 12 Cassette 0 5 24 4 8 2 3 11 11 14 14 4 14 3 14 2 14 1 14 5 14 6 15 12 13 19 18 18 17 19 20 7 6 16 22 1 25 10 9...

Page 162: ...CS 2 SA 5 12 12 JC72 00972A PMO PLATE_LOCKER 1 SA 5 12 13 JG61 70531A SPRING ETC LOCKER PLATE 1 SA 5 12 14 JC96 04743A ELA HOU HOLDER_PAD 1 SA 5 12 14 1 JC61 02159A HOLDER PAD 1 SNA 5 12 14 2 JC73 001...

Page 163: ...4 11 4 11 4 9 11 28 11 27 11 18 11 29 11 30 11 20 11 25 11 26 11 22 11 24 11 24 11 23 11 19 11 19 11 18 10 3 10 1 10 2 8 2 8 11 4 11 4 11 4 11 16 11 5 13 10 11 10 11 17 11 13 11 4 11 15 11 14 11 12 11...

Page 164: ...A FRAME SCF 1 SNA 5 13 11 2 JC63 00369A SHEET COVER SENSOR 1 SA 5 13 11 3 JC70 11028A IPR GROUND TOP 1 SA 5 13 11 4 6003 000196 SCREW TAPTITE 11 SA 5 13 11 5 JC72 00983A PMO LOCKER CST 2 SA 5 13 11 6...

Page 165: ...A 5 13 11 29 JC72 00979A PMO GEAR PICK_UP A 1 SA 5 13 11 30 JC72 00980A PMO GEAR PICK_UP B 1 SA 5 13 11 31 6107 001167 SPRING CS 1 SA 5 13 11 32 JC41 00133A PCB SENSOR 1 SNA 5 13 11 33 JC61 00804A BUS...

Page 166: ...Flash S29GL128N90TFIR20 16MB X 1EA DDR2 SDRAM K4T1G164QD ZCE6 128MB X 1EA EEPROM M24256 X 1EA SOL CL C R U M LSU INTERLOCK S W LSU Regi_Dpx Sensor Feed Sensor Empty Sensor DEVICE SCF Option Network B...

Page 167: ...N16 S MP S I F GND GND PWM _DEV _DC PWM _MHV THV_READ nTHV _EN PWM _THV 5V 24VS 24VS GND GND 24V 24V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CN10 HVP S I F OPE LCD 16X2 LSU 1 2 3 4 5 6 7 8 SPEAKER LIU SFX336...

Page 168: ...ing The following tools are recommended safe and easy troubleshooting as described in this service manual DVM Digital Volt Meter Standard Indicates more than 3 digits Driver Standard type type M3 long...

Page 169: ...ast Fusing EH S Samsung Environment Health Safty ESMTP Extended Simple Mail Transfer Protocol EP Electro Photography EPC Electric Pre Collation FCOT First Copy Out Time FDI Foreign Device Interface FI...

Page 170: ...PQ Print Quality PS 3 PostScript Level 3 PVC Printing Video Controller in the SPGPm Graphic Processor for Printer QCD Quality Cost and Delivery RCP Remote Control Panel RT OS Real Time Operating Syst...

Page 171: ...ypass tray PBA MAIN MAIN PBA Printed circuit Board Assembly PMO CONNECT PAPER MFP MFP Multi Functional Peripheral FAN DC DC Direct Current CBF POWER STITCH GRAY CBF Cable Form MEA UNIT GUIDE CST PA AS...

Page 172: ...ctor D Sub a kind of the connector type shape D COVER M CCD CABLE M Mold CCD Charge Coupled Device COVER SCAN LOWER UMAX UMAX Supplier s name for CCD module ICT INSERT SHAFTI ICT Iron Cutting IPR BRK...

Page 173: ...sor A S MATERAL PICKUP MP FOOT ML80 HOLDER CATCH CST MC2 MC2 McKInley2 Samsung Project code name IPR GROUND PLATE A OPC OPC Organic Photo Conductive ELA M M AUD SPEAKER ELA M M Electrical Assembly M M...

Page 174: ...T FU CAU HOT FU Caution Hot Fuser PMO ARM ACTUATOR PMO ARM Processing Mold Arm LABEL R HV FUSER HV High Voltage 220V LABEL R LV FUSER LV Low Voltage 110V PPR SPONG SHEET PPR Plastic Press IPR P_PINCH...

Page 175: ...ample pattern shown in below is the standard pattern used in the factory The life of the toner cartridge and the printing speed are measured using the pattern shown below The image is 70 of the actual...

Page 176: ...vers and trays The area should be well ventilated and away from direct sunlight or sources of heat cold and humidity Do not set the machine close to the edge of your desk or table Clearance space Fron...

Page 177: ...4828 FN0XAZ GSPN Global Service Partner Network North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china sam...

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