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5. System Diagram

5. System Diagram

5.1. Block Diagram

M a in  

Board

Block D iagram

SL-C 480 

series

A 2 0 0 0

Cortex-A9   800MHz

Cortex-R4   400MHz

RAM controller

GPIO

MAC

UART

I2C

Step Motor

Image Processor

Local controller

USB 2.0

ADC 8CH

LSU 

controller

HPVC

PLL

EEPROM

32KB

Nand

Flash

128MB

C LO C K

G EN ER ATO R

SD A

SC L

DDR3

128MB

A4984

R EF_C LK

M C LK

U SB H _C LK

12M H z

C O N TR O L

C R U M  

 

Y

C R U M  

 

M

C R U M  

 

C

C R U M  

 

K

C R U M

Jo in t

&

O u ter

T E M P .

&

O P C  

K E Y

3p

3p

3p

3p

6p

 

 

L S U

Pol

ygon M otor

LD B

¡¯

d

5p

9p

16p

U S B  

H O S T  

D IR E C T

U S B  

D E V IC E

4p

5p

T 2  

c lu tc h

2p

L A N

14p

N etew ork m odelonly

M O D E M

S pea k er

4in1 O nly

P ic k u p 

c lu tc h

IT B  

c lu tc h

D E V E  

c lu tc h

C o n n ec tio n  

 

I/ F  

 

B ¡¯d

D E V E  

H O M E  

sen so r

R eg i 

c lu tc h

2p

3p

24p

2p

2p

2p

10p

SD IO

12p

W -

L A N  

M o d u le

W ireless M odelonly

C IS

16p

10p

B L D C

M o to r

(M A IN )

O P E  

P A N E L

 

L C D  

/  

M IC O M

13p

S C A N  

H O M E  

S E N S O R

3p

IT B  

H O M E  

sen so r

&  

In n er  

T E M P .

5p

O u tb in  

fu ll 

sen so r

3p

W a ste 

T o n er

T X  

&  

R X

H V P S

T 1

T 2

C H A R G E R

D eve 

S u pply

D eve 

B ia s

D eve 

D r .B la d e

27p

4p

F A N

2p

F r o n t 

C o ver  

o pen

2p

F A N

N C

E X IT  

sen so r

3p

E R A S E R  

L A M P

2p

R ea r  

C o ver  

o pen

2p

S M P S

+24V /+5V

C ontrolSi

gnal

FuserAC

14p

 

 

F U S E R

LAM P

Therm i

stor

2p

2p

C T D  

S E N S O R

S c a n  

m o to r

3p

E m pty 

sen so r

R eg i 

sen so r

6p

3p

3p

2p

USB 3.0

5p

A D F  

JO IN T  

P B A

13p

3p

4p

P A P E R  

P O S IT IO N  

S E N S O R

P A P E R  

D E T E C T IO N  

S E N S O R

A D F  

C O V E R  

O P E N  

S E N S O R

A D F  

M O T O R

3p

3p

4in1 O nly

5-1

Copyright© 1995-2017 SAMSUNG. All rights reserved.

Summary of Contents for Xpress C480 Series

Page 1: ...SERVICEMANUAL Color Laser MFP Contents 1 Precautions 2 Product specification and description 3 Disassembly and Reassembly 4 Alignment and Troubleshooting 5 System Diagram 6 Reference Information Refer to the service manual in the GSPN see the rear cover for more information ...

Page 2: ... 2 2 1 2 3 Scan 2 3 2 1 2 4 Fax C480FN C480FW only 2 3 2 1 2 5 Controller and Software 2 5 2 1 2 6 Paper Handling 2 6 2 1 2 7 Reliability and Service 2 6 2 1 2 8 Environment 2 7 2 1 2 9 Supplies 2 8 2 1 2 10 Maintenance Parts 2 8 2 2 System Overview 2 9 2 2 1 Front View 2 9 2 2 2 Rear View 2 11 2 2 3 Paper Path 2 13 2 2 4 System Layout 2 14 2 2 4 1 Feeding Section 2 15 2 2 4 2 Transfer Roller 2 16...

Page 3: ... 2 7 3 Data and Control Flow 2 37 3 Disassembly and Reassembly 3 1 3 1 Precautions when replacing parts 3 1 3 1 1 Precautions when assembling and disassembling 3 1 3 1 2 Precautions when handling PBA 3 1 3 1 3 Releasing Plastic Latches 3 2 3 2 Screws used in the printer 3 3 3 3 Replacing the maintenance parts 3 5 3 3 1 ITB Unit 3 5 3 3 2 Fuser Unit 3 7 3 3 3 Transfer T2 roller 3 8 3 3 4 Pick up ro...

Page 4: ... 1 6 Useful management tools 4 13 4 1 6 1 SyncThru Web Service 4 13 4 1 6 2 Samsung Easy Printer Manager 4 18 4 1 7 Updating Firmware 4 20 4 1 7 1 Update the firmware by using the USB port 4 20 4 1 7 2 Update the firmware by using the network 4 21 4 1 8 Tech mode 4 23 4 1 9 NFC Tag Writing 4 28 4 2 Troubleshooting 4 31 4 2 1 Procedure of checking the symptoms 4 31 4 2 1 1 Basic Check List 4 32 4 2...

Page 5: ...rements of DHHS 21 CFR chapter 1 Subchapter J for Class I 1 laser products and elsewhere is certified as a Class I laser product conforming to the requirements of IEC EN 60825 1 2014 Class I 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 Class I level during normal operation user maintenance ...

Page 6: ...product this can cause electric shock Do not allow paper clips pins or other foreign objects to fall into the product these could cause a short circuit leading to an electric shock or fire hazard 5 Never touch the plugs on either end of the power cable with wet hands this can cause electric shock When servicing the product remove the power plug from the wall socket 6 Use caution when inserting or ...

Page 7: ...ition the machine near a humidifier or in front of an air conditioner Moisture and dust built up inside the machine can lead to overheating and cause a fire or cause parts to rust 11 Do not position the product in direct sunlight This will cause the temperature inside the product to rise possibly leading to the product failing to work properly and in extreme conditions could lead to a fire 12 Do n...

Page 8: ...ns 1 Replace parts carefully and 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 product or replacing any parts 2 Ensure that power is disconnected before servicing or replacing any electrical pa...

Page 9: ...n get harm 3 When you move the printer use safe lifting and handling techniques This printer is heavy 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 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 ...

Page 10: ...n the vicinity of the assembly 3 Use only a grounded tip soldering iron to solder or desolder ESDs 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESDs 5 Do not use Freon propelled chemicals When sprayed these can generate electrical charges sufficient to damage ESDs 6 Do not remove a rep...

Page 11: ...g Speed 18 Mono 4 Color ppm in A4 19 4 ppm in Letter 2 Processor 800 MHz 3 Memory 128MB Standard 128MB Max 4 Interface High Speed USB 2 0 10 100 BaseTX network connector 802 11b g n wireless LAN C480W C480FW only NFC Near Field Communication Printing C480W C480FW only 5 Toner cartridge yield Initial 700 K 500 CMY Sales 1 500 K 1 000 CMY Copyright 1995 2017 SAMSUNG All rights reserved 2 1 ...

Page 12: ...seconds Mono Less than 14 seconds FCOT From Sleep Color Less than 45 seconds Mono Less than 32 seconds Text Scan 600 x 600 dpi Optical 600 x 600 dpi Printing 600 x 600 x 2bit Text Photo Scan 600 x 600 dpi Optical 600 x 600 dpi Printing 600 x 600 x 2bit Photo Scan 600 x 600 dpi Optical 600 x 600 dpi Printing 600 x 600 x 2bit Platen Magazine Scan 600 x 600 dpi Optical 600 x 600 dpi Printing 600 x 60...

Page 13: ...Approx 15 sec Gray Approx 20 sec Scan Speed through Platen 300 dpi Color Approx 30 sec Optical Up to 600 x 600 dpi Resolution Enhanced Up to 4 800 x 4 800 dpi Halftone 256 levels Max Document Width Max 216 mm 8 5 Scan Size Effective Scan Width Max 208 mm 8 2 USB Yes Email No Scan to PC Yes 2 1 2 4 Fax C480FN C480FW only Item Specification Compatibility ITU T G3 Communication System PSTN PABX Modem...

Page 14: ...ause Yes Auto Redial Yes Last Number Redial Yes Distinctive Ring Yes Caller ID Yes Depends on each country Telephone Features External Phone Interface Yes Tx Rx Journal Yes Confirmation 2 Types available with Image TCR w o image TCR Auto Dial List No Report List Print out System Data List Yes Std 5 sec LTR Fine 5 sec LTR Scan speed S Fine 6 sec LTR Fax Memory Std Max 5 MB 400 pages 2 4 Copyright 1...

Page 15: ... 8 04 8 10 9 04 9 10 10 04 10 10 11 04 32 64 bit SuSE Linux Enterprise Desktop 10 11 32 64 bit Debian 4 0 5 0 6 0 32 64 bit Supporting OS Mac Mac OS X 10 5 10 8 Fonts PCL 95 Scalable Fonts include 0CR A OCR B 1 bitmap PS 136 Scalable Fonts USB Hi Speed USB 2 0 USB Host Yes Wired LAN Ethernet 10 100 Base TX Interface Wireless LAN NOTE C480W C480FW only IEEE 802 11 b g n Network Protocol TCP IPv4 IP...

Page 16: ...el Postcard 4x6 Media types Plain Paper Thin Paper Bond Pre Printed Recycled Label CardStock Thick Cotton Colored Glossy Standard Cassette Tray Media weight Plain 60 85 g m Thick Paper 86 120 g m Cardstock 121 163 g m Photo 220 g m Option Cassette SCF N A Capacity 40 sheet 80g m 2 sided Document Scanning No Document Weight 16 28 lb 60 to 105 g m ADF NOTE C480FN C480FW only Document Size Width 142 ...

Page 17: ...51 dB A Average operating mode Less than 290 W Ready mode Less than 60 W Power save mode C480 Less than 1 2 W C480W Less than 1 7 W WI FI Direct on Less than 2 5 W C480FN Less than 1 7 W C480FW Series Less than 2 1 W WI FI Direct on Less than 2 9 W Power off mode Less than 0 45 W Power Consumption Network Standby Mode All Port Activation C480W C480FW Less than 1 15 W Dimension W x D x H C480 C480W...

Page 18: ...ld value in accordance with ISO IEC 19798 The number of pages may be affected by operating environment printing interval graphics media type and media size Image counts based on one color on each page If you print documents in full color Cyan Magenta Yellow Black the life of this item will be reduced by 25 2 1 2 10 Maintenance Parts Item Part Code Average yield Transfer roller Assy JC93 00708A 20 ...

Page 19: ...machine depending on your model There are various types of machine Some features and optional goods may not be available depending on model or country C480 1 Scanner lid 2 Handle 3 Tray 4 Front door 5 Output support 6 Control panel 7 NFC tag 8 Toner cartridges 9 Waste toner container 10 Imaging unit 11 Scan unit 12 USB port 13 Scanner glass C480W only Copyright 1995 2017 SAMSUNG All rights reserve...

Page 20: ...ent feeder input tray 4 Document feeder output support 5 Handle 6 Tray 7 Front cover 8 Document output tray 9 Control panel 10 NFC tag 11 Toner cartridge 12 Waste toner container 13 Imaging unit 14 Scan unit 15 USB port 16 Scanner lid 17 Scanner glass C480FW only 2 10 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 21: ...r machine depending on your model There are various types of machine Some features and optional goods may not be available depending on model or country C480 C480W 1 Rear cover 2 Power receptacle 3 USB port 4 Network port C480W only C480FN C480FW Copyright 1995 2017 SAMSUNG All rights reserved 2 11 ...

Page 22: ...duct specification and description 1 Rear cover 2 Power receptacle 3 USB port 4 Network port 5 Telephone line socket LINE 6 Extension telephone socket EXT 2 12 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 23: ...Product specification and description 2 2 3 Paper Path The following diagram displays the path the paper follows during the printing process ADF Engine Copyright 1995 2017 SAMSUNG All rights reserved 2 13 ...

Page 24: ... comprising Frame Toner Cartridge Drive Unit Transfer roller Pick up unit Fuser Cassette The hardware parts consists of the main board SMPS HVPS board OPE board PC interface 1 Cassette 2 Pick up roller 3 Registration roller 4 Transfer T2 roller 5 ITB Unit 6 Fuser Unit 7 LSU 8 OPC drum 9 K toner cartridge 10 C toner cartridge 11 M toner cartridge 12 Y toner cartridge 13 ADF unit 2 14 Copyright 1995...

Page 25: ...te type tray It has a paper existence sensing function paper arranging function NOTE If you do not adjust the guide it may cause paper registration image skew or jamming of the paper 2 Pick up roller This roller has functions such as a paper pickup function paper feeding function and removing electronic static function Pick up roller is driven by solenoid Copyright 1995 2017 SAMSUNG All rights res...

Page 26: ...unit is assembled to the rear of the machine The transfer roller delivers the toner of the OPC drum to the paper 2 2 4 3 Drive Unit The Drive unit is assembled to the right frame It consists of a BLDC motor a clutch and various gears 2 16 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 27: ...rmistor It is a temperature detecting sensor Temperature Resistance 7 kΩ 180 C 3 Heat roller The heat roller transfers the heat from the lamp to apply a heat on the paper The surface of a heat roller is coated with Teflon so toner does not stick to the surface 4 Pressure roller A pressure roller mounted under a heat roller is made of a silicon resin and the surface also is coated with Teflon When ...

Page 28: ... OPC drum is turned with the paper feeding speed The HSYNC signal is created when the laser beam from LSU reaches the end of the polygon mirror and the 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 paper The on...

Page 29: ...n contacting method Toner Non magnetic single component pulverized type toner The life span of toner ISO 19798 pattern A4 standard 1 5K K 1K CMY The life span of imaging unit Approx 16 000 images OPC Cleaning Collect the toner by using cleaning blade Handling of wasted toner Collect the wasted toner in the cleaning frame by using cleaning blade Classifying device for toner cartridge ID is classifi...

Page 30: ...KU P_C LU TC H 1 2 2P 2m m R EG I _C LU TC H 24VF 1 2 2P 1 5m m D G N D D EVE H O M E SEN SO R 3 3V 1 2 3 3P 1 5m m D G N D EM PTY SEN SO R 3 3V D G N D R EG ISEN SO R 3 3V 1 2 3 4 5 6 6P 1 5m m SD A0_C R U M 3 3V_C R U M O PC _KEY SC L0_C R U M D G N D O U T_TEM P 1 2 3 4 5 6 6P 2m m JC32 00014A JC47 00033D JC47 00007F JC47 00033C JC33 00025B 0604 001154 0604 001154 0604 001371 27 26 25 24 23 22 ...

Page 31: ...m the scan controller It takes this information and generates printable video bitmap data The main board is adopted 800MHz CPU that is integrated with engine video scan controller It uses DDR3 128MByte Circuit board locations The following diagrams show the locations of the printer circuit boards Copyright 1995 2017 SAMSUNG All rights reserved 2 21 ...

Page 32: ...E C T U SB D E V I C E 4p 5p T2 clutch 2p LA N 14p Net ew or k m odelonl y M O D E M Speaker 4i n1 O nl y P i ckup clutch I TB clutch D E V E clutch C onnecti on I F B d D E V E H O M E sensor R egiclutch 2p 3p 24p 2p 2p 2p 10p SDI O 12p W LA N M odule W i r el ess M odelonl y C I S 16p 10p B LD C M otor M A I N O P E P A N E L LC D M I C O M 13p SC A N H O M E SE N SO R 3p I TB H O M E sensor I n...

Page 33: ...ce connector 7 OPE connector 8 Outbin Full sensor connector 9 ADF Module interface connector 10 Wired network connector 11 USB device connector 12 USB Host connector 13 SMPS interface connector 14 Connection Board interface connector 15 LSU interface connector 16 HVPS interface connector Information Part Code C480 JC92 02815A C480W JC92 02819A C480FN JC92 02820A C480FW JC92 02821A Copyright 1995 2...

Page 34: ...ontroller is composed of an OPE MICOM STM8SP103K3MAZTR Status LED Fax LED Copy LED Scan LED WPS LED ECO LED POWER LED 16 2 LINE LCD KEY The OPE controller communicates with main board via UART The power LED is controlled by the main board OPE controller diagram 2 24 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 35: ...e Information Part Code C480 JC92 02822A C480W JC92 02822B C480FN C480FW JC92 02823A PBA Name PBA OPE Connection 1 Platen step motor connector 2 Interface connector to Main board 3 Scan home sensor connector Copyright 1995 2017 SAMSUNG All rights reserved 2 25 ...

Page 36: ...PBA LIU Connection 1 Interface Connector to Main board 2 Speaker Interface 2 2 5 4 Connection board This board connects between the clucth sensor CRUM I F board and the main board Connection 1 ITB Clutch 2 DEVE Clutch 3 ITB I F 4 DEVE Home Sensor 5 Crum I F board 6 CTD 7 Regi Empty Senor 8 Regi Clutch 9 Pickup Clutch Information Part Code JC92 02489A Part Name PBA CONNECTOR 2 26 Copyright 1995 201...

Page 37: ...Name SENSOR CTD Connection 1 INTERFACE CONNECTOR TO SYSTEM BOARD JC39 01798A HARNESS CTD 2 2 5 6 CRUM Joint board This board connects the signal and power of the CRUM OPC vender signal and outer temperature sensor Information Part Code JC92 02824A Part Name PBA CRUM JOINT Connection 1 Interface Connector to Main Board Copyright 1995 2017 SAMSUNG All rights reserved 2 27 ...

Page 38: ...NNECTOR TO SYSTEM BOARD JC39 01799A HARNESS USBHOST 2 2 5 8 Wireless LAN board The Wireless LAN Module supports 802 11b g n It communicates with main board via SPI NOTE Only C480W C480FW supports wireless functions Information Part Code JC92 02766A Part Name PBA WNPC Connection 1 Interface Connector to Main board JC39 02404A FLAT CABLE WLAN 2 28 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 39: ...nst over current over voltage and over load condition for the overall system to be operated safely Specification General Input Output Voltage 1 AC 110V 110V 127V 2 AC 220V 220V 240V 3 Input Current 4A 110V 2A 220V 4 Output Power 58 2W DC 5 1V 10 2W DC 24V 48W Information 110V 220V Part Code JC44 00213A JC44 00214A Part Name CARLSEN V1 xx CARLSEN V2 xx xx SH Sung Ho CW New Cowitel Connection 1 AC I...

Page 40: ...on 1 AC_L 2 AC_N AC Output for Heater Controller DC Output Connector CON3 PIN ASSIGN PIN NO Description 1 GND Ground 2 GND Ground 3 GND Ground 4 24V 24V power 5 24V 24V Power 6 24V 24V Power 7 GND Ground 8 5V 5V Power 9 5V 5V Power 10 GND Ground 11 24V_OFF Sleep mode Input 12 RELAY ON Fuser Relay 13 24VS Main PBA 24VF Input 14 Fuser on Fuser On 2 30 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 41: ...ply HVPS board generates the high voltage such as MHV DEV Blade SUP and THV Connection 1 HVPS I F 2 Waste Toner 3 Rear Cover Open 4 Eraser lamp 5 Front Cover Open 6 Paper Exit sensor Information Part Code JC44 00215B Part Name HVPS Copyright 1995 2017 SAMSUNG All rights reserved 2 31 ...

Page 42: ...no more than a few centimeters Present and anticipated applications include contactless transactions data exchange and simplified setup of more complex communications such as Wi Fi Communication is also possible between an NFC device and an unpowered NFC chip called a tag NFC tag sticker stores Mac PIN Mobile Print App URL of Printer MFP Information Part Code JC68 03012A Part Name LABEL ETC NFC TE...

Page 43: ... interrupter Paper empty sensor Paper detection S3 CTD sensor Color density sensing S4 Thermostat temperature detection S5 Thermistor temperature detection S6 Photo interrupter Paper exit sensor Paper detection S7 Cover open sensor Cover open detection S8 Photo interrupter ITB belt sensing Belt rotation sensing Copyright 1995 2017 SAMSUNG All rights reserved 2 33 ...

Page 44: ...m inside machine After the leading edge of the paper passes the feed sensor the trailing edge of the paper does not clear the feed sensor after predetermined period of time After the tail edge of the paper passes the feed sensor the lead edge of paper is not detected by the exit sensor within a predetermined period of time Paper jam in exit area The tail edge of the paper does not clear the exit s...

Page 45: ...e state if the temperature of the fixing unit is higher than the specified temperature and the temperature state is detected for a specific duration then the engine defines Over Heat Error When this error is detected the engine stops all functions and keeps it at the error state Also the engine informs the error status of the main system so it can take appropriate action and then the error message...

Page 46: ...iting functions to user in Host 2 Driver translates the received document to a Printing Command language which printer can understand and transfers data to spooler 3 Stand alone Application offers the various printing application such as Easy Printer Manager Printer Status in Window system 4 Web based Application offers the same functions as Stand alone Application in Web environment Firmware is m...

Page 47: ...ent on OS 3 Stand alone Application that is a similar Window software as same as above 2 4 The Port Monitor facilitates the flow of information between the Host and Firmware Firmware Side is made up of 1 The Network Interface Card is used to relay the communication between Host and Kernel using various network protocol 2 The Kernel is manages the flow control emulation as it receives data from Hos...

Page 48: ...o print the wanted document to PCL string the Driver translates the all graphic data of the client PC and send data to host spooler and then the spooler sends the data stream to the printer via USB port 2 Kernel receives this data from Host and then select emulation fit to data and start selected one After emulation job end Kernel sends the output bit map data to Engine using Printer Video Control...

Page 49: ...r unit malfunction 3 1 2 Precautions when handling PBA Static electricity can damage a PBA always used approved anti static precautions when handling or storing a PBA Precautions when moving and storing PBA 1 Please keep PBA in a conductive case anti static bag or wrapped in aluminum foil 2 Do not store a PBA where it is exposed to direct sunlight Precautions when replacing PBA 1 Disconnect power ...

Page 50: ...tches 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 3 2 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 51: ...ME SUB_LEFT SCREW TAPTYPE BH S M3 L6 ZPC WHT SWRCH18A 26 6003 000269 FRAME SUB FRONT SCREW TAPTYPE BH S M3 L6 ZPC WHT SWRCH18A 1 6003 000196 FRAME SUB_CTD SCREW TAPTYPE PWH B M3 L10 NI PLT SWRCH18A 2 6003 000269 FRAME SUB RIGHT SCREW TAPTYPE BH S M3 L6 ZPC WHT SWRCH18A 24 6002 000440 DRIVE SCREW TAPPING PWH 2 M3 L8 ZPC BLK SWRCH18A 3 6003 000269 DRIVE SCREW TAPTYPE BH S M3 L6 ZPC WHT SWRCH18A 8 60...

Page 52: ...ly Parts Code Location Description Qty 6003 000269 BRACKET FAX SCREW TAPTYPE BH S M3 L6 ZPC WHT SWRCH18A 1 6003 000269 COVER MIDDLE SCREW TAPTYPE BH S M3 L6 ZPC WHT SWRCH18A 6 3 4 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 53: ...e front cover 2 Remove YMCK toner cartridges and waste toner container 3 Remove the imaging unit 4 Unplug the ITB connector from the top right 5 Open the rear cover Release the FRAME TRANSFER from the left hole 6 Pull down the both levers Copyright 1995 2017 SAMSUNG All rights reserved 3 5 ...

Page 54: ...3 Disassembly and Reassembly 7 Remove the ITB Unit while holding its handle 3 6 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 55: ...er removing 4 screws 3 Remove the right cover 4 Remove the SMPS cover after removing 2 screws 5 Unplug 2 connectors from the SMPS board and main board 6 Remove 6 screws 7 Release the FRAME TRANSFER Remove the FRAME DUMMY MFP And remove the fuser unit Copyright 1995 2017 SAMSUNG All rights reserved 3 7 ...

Page 56: ...eft hole by pulling it to the direction of arrow 2 Push and release the FRAME TRANSFER 3 3 4 Pick up roller 1 Remove the cassette See the bottom of the machine 2 Release the stopper from the shaft Move the right HOUSING PICK UP to the right 3 Remove the pick up rubber 3 8 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 57: ... NOTE Before service remove all toner cartridges and waste toner container 3 4 1 Cover 1 Open the rear cover door 2 Remove the rear cove after removing 4 screws 3 Release the right cover 4 Release the left cover Copyright 1995 2017 SAMSUNG All rights reserved 3 9 ...

Page 58: ...r And then unplug the connector 2 Lift up and release the ADF Unit 3 4 3 OPE Unit 1 Open the scanner unit 2 Remove 3 screws from the bottom of the scanner unit 3 Turn the OPE Unit over 4 Remove the OPE Unit after unplugging the connector 3 10 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 59: ...laten Unit 1 Remove the left and right cover 2 Unplug the scan connectors from the main board 3 Open the platen unit Release the Scanner Hinge unit 4 Lift up and release the platen unit Copyright 1995 2017 SAMSUNG All rights reserved 3 11 ...

Page 60: ... 2 Remove 5 screws from the bottom of the platen unit 3 Remove the OPE Unit 4 Remove 3 screws 5 Lift up and release the platen upper from the platen lower 6 Unplug the flat cable Release the CIS unit 7 Remove the scan drive unit after removing 3 screws 3 12 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 61: ...move 2 screws from the front 4 Lift up and release the middle cover after removing 4 screws 3 4 7 Fax board 1 Remove the right cover 2 Release the harness from the fax board 3 Remove the fax board cover after removing 2 screws 4 Unplug the flat cable Remove 1 screw And remove the fax board Copyright 1995 2017 SAMSUNG All rights reserved 3 13 ...

Page 62: ...2 Remove 5 screws Release the lock And release the HVPS board 3 Unplug all connectors from the HVPS board 3 4 9 LSU 1 Remove the cassette Stand the machine to see the bottom 2 Remove 3 screws Unplug the flat cable And release the LSU 3 14 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 63: ...lug the connector from the PBA CONNECTOR Remove the main board after removing 4 screws and connectors 3 Remove 4 screw from the bottom of the machine 4 Remove the FRAME TRANSFER 5 Remove the FRAME BASE PAPER PATH after removing 2 screws Copyright 1995 2017 SAMSUNG All rights reserved 3 15 ...

Page 64: ...4 10 2 Release the regi clutch after removing the WASHER PLAIN 3 Remove 4 gears 4 Release the pick up solenoid after removing 1 screw 3 4 12 Feed sensor and Empty sensor 1 Remove the FRAME BASE PAPER PATH Refer to 3 4 10 2 Release the Empty sensor and Feed sensor 3 16 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 65: ...g all connector Remove 4 screws And remove the main board 3 4 14 SMPS board 1 Remove the right cover Refer to 3 4 1 2 Remove the SMPS cover after removing 2 screws 3 Unplug all connectors on SMPS board Remove 2 screws And remove the SMPS board Copyright 1995 2017 SAMSUNG All rights reserved 3 17 ...

Page 66: ...mbly 3 4 15 Cam Solenoid 1 Remove the right cover 2 Remove the middle cover Refer to 3 4 6 3 Remove the Cam Solenoid cover after removing 1 screw 4 Release the Cam Solenoid 3 18 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 67: ...ght cover 2 Remove the main board and fax board 3 Remove 2 screws 4 Remove the Holder Clutch and Holder Gear after removing 4 screws 5 Remove 4 screws and 2 gears inside the right frame 6 Release the Main Drive Unit Copyright 1995 2017 SAMSUNG All rights reserved 3 19 ...

Page 68: ...ent status and displays prompts during an operation 4 Arrows Scrolls through the options available in the selected menu and increases or decreases values 5 Menu Opens Menu mode and scrolls through the available menus 6 OK Confirms the selection on the screen 7 Stop Clear Stops an operations at any time 8 Power Wake up Turns the power on or off or wakes up the machine from the power save mode If yo...

Page 69: ... Numeric keypad Dials a number or enters alphanumeric characters 10 Address Book Allows you to store frequently used fax numbers or search for stored fax numbers 11 Redial Pause Redials the recently sent fax number or received caller ID in ready mode or inserts a pause into a fax number in edit mode 12 Stop Clear Stops an operations at any time 13 Power Wake up Turns the power on or off or wakes u...

Page 70: ...timated cartridge life It is recommended to replace the toner cartridge The cover is opened Close the cover There is no paper in the tray Load paper in the tray The machine has stopped due to a major error A paper jam has occurred Blinking The machine is connecting to a wireless network On The machine is connected to a wireless network Wireless Ice Blue Off The machine is disconnected from a wirel...

Page 71: ... your machine depending on its options or models This troubleshooting may not be available depending on model or optional goods Original paper jam in front of scanner 1 Open the document feeder cover 2 Gently remove the jammed original from the document feeder 3 Close the document feeder cover Copyright 1995 2017 SAMSUNG All rights reserved 4 4 ...

Page 72: ... feeder cover 2 Gently remove the jammed original from the document feeder 3 Close the document feeder cover 4 Open the document feeder 5 Gently remove the jammed original from the bottom of the document feeder 6 Close the document feeder 4 5 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 73: ...r jam in exit area of scanner 1 Remove any remaining originals from the document feeder 2 Open the Stacker up 0 3 Gently remove the jammed original from the document feeder 4 Close the Stacker 0 Copyright 1995 2017 SAMSUNG All rights reserved 4 6 ...

Page 74: ...aring the paper pull the jammed paper out slowly and gently In tray1 1 Take off the cassette 2 Remove the jammed paper by gently pulling it straight out 3 Reinstall the cassette 4 Open the scanner unit 5 Close the scanner unit 4 7 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 75: ...g paper from the machine 1 Open the scanner unit 2 Remove the jammed paper by gently pulling it straight out 3 Close the scanner unit If you do not see the paper in this area stop and go to next step 4 Open the rear cover door 5 Open the FRAME TRANSFER Copyright 1995 2017 SAMSUNG All rights reserved 4 8 ...

Page 76: ...4 Alignment and Troubleshooting 6 Remove the jammed paper by gently pulling it straight out 7 Close the FRAME TRANSFER 8 Close the rear cover door 4 9 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 77: ... button to return to ready mode 2 Altitude adjustment Print quality is affected by atmospheric pressure which is determined by the height of the machine above sea level The following information will guide you on how to set your machine for the best print quality Before you set the altitude value determine the altitude where you are 1 High 3 2 High 2 3 High 1 4 Normal 0 4 000 m 13 123 ft 3 000 m 9...

Page 78: ...ation page 4 Image manager This menu allows you to adjust the color setting such as contrast level color registration color density etc Press Menu System Setup Maintenance on the control panel Custom Color adjusts contrast color by color Default optimizes colors automatically Print Density allows you to manually adjust the color contrast for each cartridge It is recommended to use the Default sett...

Page 79: ...ve part 1 Pressure Roller 62 4mm Background 2 Heat Roller 76 3mm Black spot and image ghost Fuser Unit 3 Charging Roller 37 7mm Black Spot and line and periodic band 4 OPC Drum 188 5mm White and Black Spots 5 Developing Roller 26 0mm White spot Horizontal black band 6 Supply Roller 47 5mm Periodic Band by little difference of density Toner Cartridge 7 Transfer Roller 54 64mm Ghost Damaged image by...

Page 80: ...rs and set up other network parameters Change the printer preference Set the email notifications advising of the machine s status Get support for using the machine Upgrade machine firmware Required web browser You need one of the following web browsers to use SyncThru Web Service Internet Explorer 6 0 or higher Chrome 4 0 or higher FireFox 3 0 or higher Safari 3 0 or higher Connecting to SyncThru ...

Page 81: ...s Supplies You can check the supplies information For toner cartridges and imaging units supplies status is displayed with a visual graph showing you the amount of each supply left Page counts are also available which can help you predict when to change the supplies This feature is also available from the machine Usage Counters You can check the billing information and usage counter of the machine...

Page 82: ... and when Network Settings You can set up the network environment to use your machine as a network machine You can also set the settings from the machine General You can set general machine information to use in the network and set ethernet settings This feature is also available from the machine TCP IPv4 TCP IPv6 Raw TCP IP LPR LPD IPP Telnet WSD SLP UPNP mDNS CIFS SNMPv1 v2 SNMPv3 You can set pr...

Page 83: ...x Security as well as manage filtering rules External Authentication Server Set the servers for authentication User Access Control You can restrict users from accessing the machine or application You can also give specific permission for user to only use certain feature of the machine For example you can allow user A to only use print feature In this case user A will not be able to scan copy or fa...

Page 84: ...applications license If you add an application you need to activate the license of the installed application Some applications may not have a license Backup Restore You can backup the machine s configurations and restore the configuration when there is a problem with the machine The saved backed up files can also be used to configure other machines Contact Information You can view contact informat...

Page 85: ...user interface and the advanced user interface Switching between the two interfaces is easy just click a button NOTE Available for Windows and Mac OS users only For Windows Internet Explorer 6 0 or higher is the minimum requirement for Samsung Easy Printer Manager Understanding Samsung Easy Printer Manager To open the program For Windows Select Start Programs or All Programs Samsung Printers Samsu...

Page 86: ...ted to when alerts will be received Email Alert Provides options relating to receiving alerts via email Alert History Provides a history of device and toner related alerts 3 Application information Includes links for changing to the refresh preference setting help and about 4 Printer information This area gives you general information about your machine You can check information such as the machin...

Page 87: ...ding preparations usblist2 exe Tool which sends firmware data to printer Firmware file to update Upgrade Procedure 1 Turn the machine off 2 Connect USB cable to printer 3 Turn the machine on Check if the printer is the ready status 4 Drag the SWUPGRADE_ON prn file and drop down on the usblist2 exe 5 Drag the firmware file and drop down on the usblist2 exe icon And then firmware update will be star...

Page 88: ...Wired or Wireless Network connection is established Firmware file to update Upgrade Procedure 1 Open the Web browser and input IP address of machine Click Login 2 Log in Admin Mode ID admin PW sec00000 3 Select Maintenance menu and click upgrade wizard 4 21 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 89: ... browser button and press next button 5 SyncThru will check verify firmware file and compare version and press next button 6 Machine starts upgrading SyncThru will return home page after upgrading is completed Copyright 1995 2017 SAMSUNG All rights reserved 4 22 ...

Page 90: ...t Right OK Stop on the control panel continuously b Tech mode menu NOTE Some menus may not appear on the display depending on the models Depth 1 Depth 2 Depth 3 Depth 4 Send Level 9 15 12 Off F W Upgrade On DTMF Level High 0 15 Low 0 15 Pause Time 1 9 Dial Mode Tone Pulse Tone Modem Speed 33 6 28 8 14 4 12 0 9 6 4 8 33 6 Error Rate 5 10 10 Clear All Mem Toner Low Level 1 30 10 Platen Scan ADF Scan...

Page 91: ...Mode Test Rountine Toner Remain Off On Special Func Ave Coverage Off On c Data Setup Send Level You can set the level of the transmission signal Typically the Tx level should be under 12 dBm NOTE The Send Fax Level is set at the best condition in the shipment from factory DTMF Level This is a setting value of the High level tone and low level tone at DTMF mode Not dial mode Pause Time It shows the...

Page 92: ...artridge Clear Count This function resets the count value you select Engine Footer This function is for monitoring of the engine status If you perform this function at printing the setting value for engine is shown on the bottom of the printed page d Machine Test Switch Test Use this feature to test all keys on the operation control panel The result is displayed on the LCD window each time you pre...

Page 93: ... Regi X Magenta Distant from hsync to lsync multi hsync for Magenta 200 0 100 112 0140 00140 Regi X Cyan Distant from hsync to lsync multi hsync for Cyan 200 0 100 112 0150 00150 Regi X Black Distant from hsync to lsync multi hsync for Black 200 0 100 112 0160 00160 Regi Y Yellow Distant from psync to Image area for yellow 200 0 100 112 0170 00170 Regi Y Magenta Distant from psync to Image area fo...

Page 94: ...ect when a paper is at Regi sensor 102 0370 0370 Exit Sens Detect when a paper is at Exit sensor 105 0032 0032 MHV Bias MHV bias voltage on at normal drive level 106 0037 0037 Dev Bias Dev bias voltage on at normal drive level 106 0038 0038 Dev AC Bias Dev bias AC voltage on at normal drive level 107 0032 0032 THV Bias THV plus bias voltage on at normal drive level 107 0033 0033 THV Bias THV minus...

Page 95: ...rom the device Android 4 1 Settings WIRELESS NETWORKS More NFC check box Android 4 0 Settings WIRELESS NETWORKS On NOTE NFC setting depends on Android version 3 Install the NFC writing tag application a Download and install the NFC tag application b Execute the application 4 Select the machine Copyright 1995 2017 SAMSUNG All rights reserved 4 28 ...

Page 96: ...g the machine machine information will display If you want to enter PIN code set up the Pin button is ON Enter the PIN code 6 Contact the mobile device to NFC tag 7 Tag Written successfully message will display If not retry the tagging 4 29 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 97: ...4 Alignment and Troubleshooting Copyright 1995 2017 SAMSUNG All rights reserved 4 30 ...

Page 98: ...ain a detailed description of the problem from the customer Power On Red LED on Error message is displayed OPE LED Green OK Print test page Printing quality is nomal Refer to Solution of Image Problem See the troubleshooting for error code END No Power Power Module error Main PBA OPE LED ON 4 31 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 99: ...curs repeatedly at a specific point in the Paper Path Open the fuser cover Jam clear Dismantle the machine and carefully inspect the region where the jam occurs Especially check if paper fragments are caught in the Fuser 4 Print the Information Page Configuration Try printing a test page from a computer If there is an error check cables and driver installation 5 Check the Print Quality Is there ar...

Page 100: ...P 4 40 C1 2411 Install toner P 4 40 C1 2512 Not compatible Yellow toner P 4 41 C1 2711 Error C1 2711 Call for Service P 4 41 C1 2712 Error C1 2712 Call for Service P 4 41 C1 3110 Prepare Toner P 4 40 C1 3120 Replace Toner P 4 40 C1 3150 Replace Toner P 4 40 C1 3160 Replace Toner P 4 40 C1 3411 Install Toner P 4 40 C1 3512 Not compatible magenta toner P 4 41 C1 3711 Error C1 3711 Call for Service P...

Page 101: ...Paper Empty in tray P 4 46 M2 1210 Paper Jam in tray P 4 45 M3 1110 Paper jam in exit area P 4 46 M3 1112 Paper jam inside machine P 4 46 M3 2130 Output bin full Remove paper P 4 46 S1 5221 Install wireless NIC P 4 47 S2 4110 Door open Close it P 4 47 S2 4612 Scan Unit Open or Exit JAM P 4 47 S3 3122 Scanner Locked P 4 48 S4 3140 Error S4 3140 Call for service P 4 48 S6 3113 Error S6 3113 Call for...

Page 102: ...shooting Error Code Error Message Troubleshooting Page U3 3313 Document jam Remove jam P 4 65 U3 3314 Document jam Remove jam P 4 65 U3 4110 Door of scanner is open P 4 65 4 35 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 103: ...ode A1 1110 Error message Error A1 1110 Turn off then on Symptom The main motor does not operate Troubleshooting method 1 Turn the machine off then on If the error persists turn the machine off again 2 Remove the rear and right cover 3 Check if the connection between main board and main motor are correct If the connection is OK replace the main motor 4 If the problem persists replace the main boar...

Page 104: ...ective Troubleshooting method 1 Turn the machine off then on If the error persists turn the machine off again 2 Remove the all toner cartridges and imaging unit 3 Check if the CTD sensor connector is connected correctly If the sensor connection is OK replace the CTD board 4 37 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 105: ...Turn off then on Symptom The outer temperature sensor is defective Troubleshooting method 1 Turn the machine off then on If the error persists turn the machine off again 2 Remove the front cover 3 Replace the PBA DEVE CRUM JOINT Copyright 1995 2017 SAMSUNG All rights reserved 4 38 ...

Page 106: ...e Home sensor is defecitve Troubleshooting method 1 Turn the machine off then on If the error persists turn the machine off again 2 Remove the right cover 3 Check if the Deve home sensor connector is connected correctly 4 If the sensor is defective replace it 4 39 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 107: ...oting method 1 Turn the machine off and replace the toner cartridge with new one Error Code C1 2411 C1 3411 C1 4411 C1 5411 Error message Install toner Symptom The toner cartridge is not installed or the CRUM has some problem Troubleshooting method 1 Check if the toner cartridge is installed properly Turn the machine off then on 2 If the error message is not disappear remove the toner cartridge Th...

Page 108: ...2 Error message Error C1 2711 Call for Service Error C1 2712 Call for Service Error C1 3711 Call for Service Error C1 3712 Call for Service Error C1 4711 Call for Service Error C1 4712 Call for Service Error C1 5711 Call for Service Error C1 5712 Call for Service Symptom CRUM chip of the toner cartridge is defective Troubleshooting method 1 Check if the toner cartridge is installed properly Turn t...

Page 109: ...Imaging unit Replace with new imaging unit Symptom The imaging unit is low status C3 6110 or at the end of its life C3 6130 6140 Troubleshooting method 1 If its life is at the end turn the machine off and replace the imaging unit with new one Copyright 1995 2017 SAMSUNG All rights reserved 4 42 ...

Page 110: ...120 Error message Prepare new Transfer belt Replace new Transfer belt Symptom The ITB Unit is low or at the end of its life Troubleshooting method 1 If its life is at the end turn the machine off and replace the ITB unit with new one Error Code C5 1710 Error message Transfer Belt Error Symptom The ITB home sensor is defective Troubleshooting method 1 Turn the machine off then on If the error persi...

Page 111: ...with new fuser unit Symptom The fuser unit is at the end of its life Troubleshooting method 1 Print the supply information report Check the life remaining of the fuser unit 2 If its life is at the end turn the machine off and replace the fuser unit with new one Error Code C7 1311 Error message Waste toner container is not installed Install it Symptom The waste toner container is not installed Trou...

Page 112: ...hine Troubleshooting method 1 Remove the jammed paper 2 If the jammed paper occurs continually check the followings a Check if the pick up roller are worn out or contaminated Clean the contaminated part or replace it b Check if the feed actuator or feed sensor is assembled correctly 3 If the pick up solenoid is defective replace it 4 45 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 113: ...1 Remove the jammed paper 2 If the problem persists check the following a Check if there is any obstacles or paper on the paper path Remove it b Check if the fuser unit is assembled properly If the fuser unit is defective replace it Error Code M3 2130 Error message Output bin full Remove paper Symptom The machine detected that the output tray has got full or the bin full sensor is defective Troubl...

Page 114: ...oor is open Close it Symptom Door is open or the cover open switch is defective Troubleshooting method 1 Check if the front cover is closed perfectly 2 If the error persists check that the cover open sensor is working normally If it is defective replace it Error Code S2 4612 Error message Scan Unit Open or Exit JAM Symptom Scanner is opened or exit jam has occurred Troubleshooting method 1 Remove ...

Page 115: ...in the scanner unit Gear Belt Motor etc 5 If the problem persists replace the main board Error Code S4 3140 Error message Error S4 3140 Call for service Symptom Fax modem is defective Troubleshooting method 1 Check if the line cable is connected to the fax port correctly 2 If the fax card is defective replace it with new one Error Code S6 3113 Error message Network Failure S6 3113 Turn off then on...

Page 116: ... Can not find a wireless network Please check the wireless environment Symptom The machine can not find the SSID Service Set Identifier Troubleshooting method 1 Check the setting up for wireless network Error Code S6 3232 Error message Wireless security settings are incorrect Please change the settings Symptom Wireless security settings like a WEP WPA WPA2 are incorrect Troubleshooting method 1 Tu...

Page 117: ...ailed connection to WPS Try again or set up other wireless connection Symptom WPS connection to AP is failed Troubleshooting method 1 Retry the connection with WPS button Error Code S6 3235 S6 3236 Error message Wi Fi Direct is not ready Turn off then on Call for service if the problem persists Failed to connect to Wi Fi Direct Turn off your mobile device and turn it on Symptom Wi Fi Direct librar...

Page 118: ...e the harness 2 Check the SMPS TRIAC Short test If test result is abnormal replace the SMPS board a Check the SMPS Triac resistance for each terminal with DVM Normal Value A B 30 MΩ Open Infinite A C 10 Ω 100 Ω B C 30 MΩ Open Infinite Abnormal Value A B 0 Ω 10 Ω 3 Check the main board open test Check the ADC port operation and H W protect operation Thermistor Open test After unplugging the fuser c...

Page 119: ...ain board 4 Check the thermostat thermistor heater If the mesured resistance value is abnormal replace the fuser unit Thermostat test Measure the resistance for both terminals of the thermostat Normal 0 5 Ω Abnormal More than 20 MΩ Thermistor test a Check if the thermistor contacts the heat roller Normal Contact Abnormal Non Contact Copyright 1995 2017 SAMSUNG All rights reserved 4 52 ...

Page 120: ...e measured value is normal with the table below Temperature Resistance Range KΩ 0 5 657 1200 5 10 539 965 10 15 444 782 15 20 368 637 20 25 307 522 25 30 257 430 30 35 217 357 35 40 183 297 Check the Heater Check the fuser lamp terminal resistance with DVM Normal range 5 10 Ω 4 53 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 121: ...4 Alignment and Troubleshooting 5 Check if the input voltage is normal 6 If the check item for step 1 5 is normal replace the fuser unit Copyright 1995 2017 SAMSUNG All rights reserved 4 54 ...

Page 122: ... the harness 2 Check the SMPS TRIAC Short test If test result is abnormal replace the SMPS board a Check the SMPS Triac resistance for each terminal with DVM Normal Value A B 30 MΩ Open Infinite A C 10 Ω 100 Ω B C 30 MΩ Open Infinite Abnormal Value A B 0 Ω 10 Ω 3 Check the main board open test Check the ADC port operation and H W protect operation Thermistor Open test After unplugging the fuser co...

Page 123: ...ain board 4 Check the thermostat thermistor heater If the mesured resistance value is abnormal replace the fuser unit Thermostat test Measure the resistance for both terminals of the thermostat Normal 0 5 Ω Abnormal More than 20 MΩ Thermistor test a Check if the thermistor contacts the heat roller Normal Contact Abnormal Non Contact Copyright 1995 2017 SAMSUNG All rights reserved 4 56 ...

Page 124: ...e measured value is normal with the table below Temperature Resistance Range KΩ 0 5 657 1200 5 10 539 965 10 15 444 782 15 20 368 637 20 25 307 522 25 30 257 430 30 35 217 357 35 40 183 297 Check the Heater Check the fuser lamp terminal resistance with DVM Normal range 5 10 Ω 4 57 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 125: ...4 Alignment and Troubleshooting 5 Check if the input voltage is normal 6 If the check item for step 1 5 is normal replace the fuser unit Copyright 1995 2017 SAMSUNG All rights reserved 4 58 ...

Page 126: ...e the harness 2 Check the SMPS TRIAC Short test If test result is abnormal replace the SMPS board a Check the SMPS Triac resistance for each terminal with DVM Normal Value A B 30 MΩ Open Infinite A C 10 Ω 100 Ω B C 30 MΩ Open Infinite Abnormal Value A B 0 Ω 10 Ω 3 Check the main board open test Check the ADC port operation and H W protect operation Thermistor Open test After unplugging the fuser c...

Page 127: ...ain board 4 Check the thermostat thermistor heater If the mesured resistance value is abnormal replace the fuser unit Thermostat test Measure the resistance for both terminals of the thermostat Normal 0 5 Ω Abnormal More than 20 MΩ Thermistor test a Check if the thermistor contacts the heat roller Normal Contact Abnormal Non Contact Copyright 1995 2017 SAMSUNG All rights reserved 4 60 ...

Page 128: ...e measured value is normal with the table below Temperature Resistance Range KΩ 0 5 657 1200 5 10 539 965 10 15 444 782 15 20 368 637 20 25 307 522 25 30 257 430 30 35 217 357 35 40 183 297 Check the Heater Check the fuser lamp terminal resistance with DVM Normal range 5 10 Ω 4 61 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 129: ...e thermostat thermistor and heater are normal check the surface of the thermistor a If the surface of the thermistor is defective replace the fuser unit b If the surface of the thermistor is normal replace the fuser unit SMPS board and main board all together 5 Check if the input voltage is normal 6 If the check item for step 1 5 is normal replace the fuser unit Copyright 1995 2017 SAMSUNG All rig...

Page 130: ...signal is abnormal Troubleshooting method 1 Check if the LSU harness on the main board is connected properly 2 If it is OK check that the LSU harness on LSU board is connected properly 3 Check if the LSU harness is defective 4 If the problem persists replace the LSU 5 If the problem persists after replacing LSU replace the main board 4 63 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 131: ...lly open the ADF cover top Check if the ADF pick up roller is contaminated or worn out Clean or replace it 4 If the pick up roller is OK check the followings a Check if the ADF motor is working normally b Check if the connector on the ADF joint board is connected correctly 5 If the problem persists replace the ADF unit Error Code U3 4110 Error message Door of scanner is open Symptom ADF cover is o...

Page 132: ...or contaminated Replace the ITB unit and test again 2 Vertical White Line Description White vertical voids in the image Cause and Check Point Solution Check if the LSU window or internal lenses of LSU is contaminated Clean the LSU window with recommended cleaner IPA Clean the window with a clean cotton swab If dirt is inside the LSU replace the LSU Check if there are scratches on the circumference...

Page 133: ... dirty roller Check if the transfer roller is damaged or contaminated Replace the transfer roller and test again Check if paper transfer belt is damaged or contaminated Replace the ITB unit and test again 4 Dark or Black image Description The black page is printed out Cause and Check Point Solution No charging voltage in the HVPS Check the connecting state between the Main PBA and HVPS Reconnect t...

Page 134: ...U Check the connector of LSU Not working the developing bias voltage on HVPS Replace the HVPS 6 Uneven Density Description Print Density is uneven between left and right Cause and Check Point Solution The life of the Toner Cartridge has expired Replace the toner cartridge The pressure force in the left and right springs of the ITB unit is not even Replace the ITB Unit 4 67 Copyright 1995 2017 SAMS...

Page 135: ...Replace the toner cartridge or imaging unit Bad contacts of HV terminals of the toner cartridge with high voltage terminals from printer set Clean all HV terminals in the cartridge and on the set frame Ensure all toner or paper dust particles are removed 8 Poor Fusing Description Toner is not properly fixed on paper Cause and Check Point Solution The media doesn t meet specification Use the proper...

Page 136: ...utch C onnecti on I F B d D E V E H O M E sensor R egiclutch 2p 3p 24p 2p 2p 2p 10p SDI O 12p W LA N M odule W i r el ess M odelonl y C I S 16p 10p B LD C M otor M A I N O P E P A N E L LC D M I C O M 13p SC A N H O M E SE N SO R 3p I TB H O M E sensor I nner TE M P 5p O utbi n full sensor 3p W aste Toner TX R X H V P S T1 T2 C H A R G E R D eve Supply D eve B i as D eve D r B lade 27p 4p FA N 2p ...

Page 137: ...U TC H 24VF 1 2 2P 2m m 24VF PI C KU P_C LU TC H 1 2 2P 2m m R EG I _C LU TC H 24VF 1 2 2P 1 5m m D G N D D EVE H O M E SEN SO R 3 3V 1 2 3 3P 1 5m m D G N D EM PTY SEN SO R 3 3V D G N D R EG ISEN SO R 3 3V 1 2 3 4 5 6 6P 1 5m m SD A0_C R U M 3 3V_C R U M O PC _KEY SC L0_C R U M D G N D O U T_TEM P 1 2 3 4 5 6 6P 2m m JC32 00014A JC47 00033D JC47 00007F JC47 00033C JC33 00025B 0604 001154 0604 001...

Page 138: ...e and easy troubleshooting as described in this service manual DVM Digital Volt Meter Standard Indicates more than 3 digits Cleaning Equipments Standard An IPA Isopropyl Alcohol dry wipe tissue or a gentle neutral detergent and lint free cloth Driver Standard type type M3 long M3 short M2 long M2 short Vacuum Cleaner Tweezers Standard For general home use small type Spring Hook Standard For genera...

Page 139: ...ting systems running on them The BOOTP servers assign the IP address from a pool of addresses to each client BOOTP enables diskless workstation computers to obtain an IP address prior to loading any advanced operating system CCD Charge Coupled Device CCD is a hardware which enables the scan job CCD Locking mechanism is also used to hold the CCD module to prevent any damage when you move the machin...

Page 140: ...f external behavior which is in contrast to simulation which concerns an abstract model of the system being simulated often considering its internal state Ethernet Ethernet is a frame based computer networking technology for local area networks LANs It defines wiring and signaling for the physical layer and frame formats and protocols for the media access control MAC data link layer of the OSI mod...

Page 141: ...t produces world wide industrial and commercial standards ITU T The International Telecommunication Union is an international organization established to standardize and regulate international radio and telecommunications Its main tasks include standardization allocation of the radio spectrum and organizing interconnection arrangements between different countries to allow international phone calls...

Page 142: ...come an industry standard Originally developed for early inkjet printers PCL has been released in varying levels for thermal dot matrix printer and laser printers PDF Portable Document Format PDF is a proprietary file format developed by Adobe Systems for representing two dimensional documents in a device independent and resolution independent format PostScript PS PostScript PS is a page descripti...

Page 143: ...N compliant program a scan can be initiated from within the program It is an image capture API for Microsoft Windows and Apple Macintosh operating systems UNC Path Uniform Naming Convention UNC is a standard way to access network shares in Window NT and other Microsoft products The format of a UNC path is servername sharename Additional directory URL Uniform Resource Locator URL is the global addr...

Page 144: ...nection easily without a computer XPS XML Paper Specification XPS is a specification for a Page Description Language PDL and a new document format which has benefits for portable document and electronic document developed by Microsoft It is an XML based specification based on a new print path and a vector based device independent document format 6 7 Copyright 1995 2017 SAMSUNG All rights reserved ...

Page 145: ...rence Information 6 3 Document Revision List Version Date Page Description 1 00 01 Apr 2015 Release 1 01 12 Jan 2016 4 51 Update fuser error troubleshooting Copyright 1995 2017 SAMSUNG All rights reserved 6 8 ...

Page 146: ...apan https gspn2 samsungcsportal com N America S America https gspn3 samsungcsportal com This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law 2017 Samsung Electronics Co Ltd All rights reserved Printed in Korea Code No ...

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