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Samsung ProXpress M337x Service Manual

Samsung ProXpress M337x Service Manual

Proxpress m337x/m387x/m407x series mono laser mfp
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Table of Contents

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SERVICE
Mono Laser MFP
Refer to the service manual in the GSPN (see the rear cover) for more information.
Mono Laser MFP
ProXpress M337x / M387x / 407x
series
(Ver1.3)
MANUAL
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Alignment and Troubleshooting
5. System Diagram
6. Reference Information
Contents

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Summary of Contents for Samsung ProXpress M337x

  • Page 1 Mono Laser MFP ProXpress M337x / M387x / 407x series (Ver1.3) SERVICE MANUAL Mono Laser MFP Contents 1. Precautions 2. Product Specifications 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: Table Of Contents

    Main Controller (M337x_M387x_M407xFR_M4072FD) ........2 − 28 2.2.5.2. Main Controller (M407xFX) ................2 − 31 2.2.5.3. OPE Controller ..................... 2 − 33 2.2.5.4. SO-DIMM PBA.................... 2 − 34 2.2.5.5. WLAN(M387xFW model only) ............... 2 − 34 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 3 3.3.14. Main Drive Unit......................3 − 16 3.3.15. Feed Drive Unit ......................3 − 17 3.3.16. Pick Up_Regi_MP Clutch ..................... 3 − 17 3.3.17. Pick-Up Roller......................3 − 18 3.3.18. Transfer Roller......................3 − 19 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 4 Useful management tools ....................4 − 21 4.1.6.1. Using Samsung Easy Printer Manager ............... 4 − 21 4.1.6.2. Using Samsung Printer Status (Windows only) ........... 4 − 24 4.1.6.3. Using SyncThru Web Service (SWS) ..............4 − 25 4.1.7. Updating Firmware ...................... 4 − 27 4.1.7.1.
  • Page 5 Tool for Troubleshooting ......................6 − 1 6.2. Glossary..........................6 − 2 6.3. The Sample Pattern for the Test ....................6 − 8 6.4. Model Name and Code ......................6 − 9 6.5. Revision History........................6 − 10 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 6: Precautions

    High voltages and lasers inside this product are dangerous. This product should only be serviced by a factory trained service technician. 2) Use only Samsung replacement parts. There are no user serviceable parts inside the product. Do not make any unauthorized changes or additions to the product as these could cause the product to malfunctions and create an electric shocks or fire hazards.
  • Page 7: Caution For Safety

    Exposed cables could cause an electric shock. Replace the damaged power cable immediately, do not reuse or repair the damaged cable. Some chemicals can attack the coating on the power cable, weakening the cover or exposing cables causing fire and shock risks. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 8 Take care not to cut or damage the power cable or plugs when moving the machine. 9) Use caution during thunder or lightning storms. Samsung recommends that this machine be disconnected from the power source when such weather conditions are expected. Do not touch the machine or the power cord if it is still connected to the wall socket in these weather conditions.
  • Page 9: Handling Precautions

    1.2.4. Assembly and Disassembly precautions 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.
  • Page 10: Disregarding This Warning May Cause Bodily Injury

    5) Do not install the printer on a sloping or unstable surface. After installation, double check that the printer is stable. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 11: Esd Precautions

    9) Minimize bodily motions when handling unpackaged replacement ESDs. Normal motions, such as the brushing together of clothing fabric and lifting one’s foot from a carpeted floor, can generate static electricity sufficient to damage an ESD. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 12: Product Specifications

    4.3 inch Touch LCD : M407xFX 6) Consumables • Integrated Toner System : M3370FD / M3870FD/ M3870FW / M4070FR / M4070FX • Separated Toner System : M3375FD / M3875FD/ M3875FW / M4075FR / M4075FX Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 13: Specifications

    M387x series : 1500 ~ 3500 pages M407x series : 2000 ~ 4000 pages • M337xFD : 50,000 pages Max. Monthly Print • Volume M387x series : 80,000 pages • M407x series : 100,000 pages • Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 14: Print

    Sleep Mode • M387x/407x series : Less than 18 sec • Resolution Optical (Standard) 600 x 600 dpi Enhanced Up to 1,200 x 1,200 dpi effective output Emulation PostScript3, PCL6/5e, IBM ProPrinter, EPSON, SPL Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 15: Copier

    Copier Features Duplex Copy • M387xFW / M407xFR / M407xFX : 2-to-1, 2-to-2, 1-to-2 • Reduce/Enlarge 25 to 400% by 1%unit ID Card Copy N-up Darkness Adjustment 11 levels Multicopy Quanity Max 99 copies Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 16: Scanner

    216 mm [8 1/2"] Effective Scan Width 208 mm [8.19"] Max. Document Length 297 mm [11.7"] Effective Scan Length 289 mm [11.37"] Scan to PC, Email, USB Memory, FTP, SMB Scan File Format PDF, JPEG, XPS, TIFF Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 17: Fax

    Resolution Standard 203 x 98 dpi Fine/Photo 203 x 196 dpi Super Fine 300 x 300 dpi Fax Memory 6 MB Max Document Width 216 mm [8 1/2"] Max Document Length 356 mm [14'] Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 18: Controller And Software

    • Network Protocols [TCP/IP] • TCP/IPv4/IPv6, HTTP, SNMPv1/v2c/v3, SMTP, IPSec, DNS/WINS, DDNS, DHCP, SSL/TLS, BOOTP, AutoIP, Standard TCP/IP printing, LPR, IPP,UPnP(SSDP), Bonjour, Telnet, WSD, SLP, SetIP [Others] HTTPs,IPPs, 802.1x(EAP-MD5, EAP-MSCHAPv2, PEAP, • TLS), IPSec Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 19 ProXpress M382xDW Only : 802.11b/g/n • 4–line LCD : M337xFD / M387xFD / M387xFW / • 407xFR /4072FD 4.3 inch Touch LCD : M407xFX • Admin Deployment Application Software and Application • Easy Printer Manager • Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 20: Paper Handling

    Face-Up : 1 sheet Output Stacking Output Full sensing Supporting Built-in Media sizes A4, Letter, Oficio, Folio, Legal Duplex Media types Plain Paper, Thin, Thick, Recycled, Bond Media weight 16~32 lb (60 to 120 g/m²) Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 21 Length : 148 ~ 356 mm (5.8" ~ 14.0") • Envelop : 10 mm (0.4") from edge (Top, Bottom, Left, Right) • Printable Area Non-Printable Area Other Media : 4 mm (0.16") from edge (Top, Bottom, Left, • Right) Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-10...
  • Page 22: Consumables

    When purchasing new toner cartridges or other supplies, these must be purchased in the same country as the machine you are using. Otherwise, new toner cartridges or other supplies will be incompatible with your machine due to different configurations of toner cartridges and other supplies according to the specific country conditions. 2-11 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 23: Maintenance Part

    Approx. 200,000 pages Reverse roller (Tray1) JC90-01032A Approx. 60,000 pages Reverse roller (Tray2) JC97-02259A Approx. 100,000 pages Transfer roller JC66-02842A Approx. 100,000 pages JC91-01023A (110V) Fuser Unit • Approx. 90,000 pages JC91-01024A (220V) • Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-12...
  • Page 24: Product Description

    Control board cover Multi-purpose support tray Front cover Toner cartridge Paper level indicator Tray 2 NOTE Tray 1 M3370 M3870 M4070 M4072FD series Multi-purpose (or manual feeder) tray USB memory port 2-13 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 25 2. Product Specifications Toner cartridge Imaging unit NOTE NOTE M3375 M3875 M4075 series M3375 M3875 M4075 series Handset NOTE Handset model only Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-14...
  • Page 26: Rear View

    This optional IEEE 1284B parallel connector can be used by plugging in both the USB port and the 5V output port. Power-switch Power receptacle Telephone line socket (LINE) Extension telephone socket (EXT.) Rear cover handle 2-15 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 27: Paper Path

    2. Product Specifications 2.2.3. Paper Path The following diagram displays the path the paper follows during the printing process. S implex Duple x [3] MP Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-16...
  • Page 28: System Layout

    Drive unit, Transfer roller, Fuser, Cassette. The Hardware part consists of the main control board, power board, operation panel, PC Interface. Fuser Cartridge Exit roller1 Regi roller Exit roller2 Scanner (Platen) Feed roller DADF/ADF Pick up roller Cassette Duplex 2-17 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 29: Feeding Part

    It is used as an anti skew device, and to setup proper registration timing with that of the toned image on the drum. It also is used for jam detection to ensure paper has left the paper tray. Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-18...
  • Page 30 6) SCF (Second Cassette Feeder) It is the same method with the main cassette, and the capacity is 520 sheets. It has a separate driving mechanism. It is designed for a common use with a main cassette. 2-19 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 31: Image Creation

    4) Transfer : The transfer rollers opposite the OPC drums transfer toner from the drums to the transfer media (e.g. paper, OHP film, etc). 5) Cleaning for OPC drum: The cleaning blade removes remaining toners on the drum surface after image transfer to the paper. Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-20...
  • Page 32: Imaging Unit

    Handling of wasted toner : Collect the wasted toner in the cleaning frame by using cleaning blade • OPC Drum Protecting Shutter : None • Classifying device for toner cartridge: ID is classified by CRUM. 2-21 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 33: Fuser Unit

    5) Halogen Lamp • Voltage : 120 V, 115 ± 5 % / 220 V, 230 ± 5 % • Capacity : 850 Watt ± 42.5W Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-22...
  • Page 34: Lsu (Laser Scanning Unit)

    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 one side of the polygon mirror is one line for scanning. Motor Driver LD (Laser Diode) Protector panel 2-23 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 35: Drive Unit

    2. Product Specifications 2.2.4.5. Drive Unit ProXpress M337x/M387x/M407x series has 2 drive units that is assembled to the right side of the machine. The main drive unit consists of a BLDC motor, a clutch, various gears for OPC, fuser, exit, feed etc.
  • Page 36: Hardware Configuration

    2. Product Specifications 2.2.5. Hardware configuration ProXpress M337x / M387x / M407x series Electrical Circuit system consists of the following : • Main controller • OPE controller • DDR3 SODIMM • SCF board (Option) • SMPS board • HVPS board •...
  • Page 37 The OPE Controller displays the status of the system using 4.3inch TFT LCD in response to user actions or the Main controller. The HVPS supplies high voltage for developing process. High Voltage controlled by PWM signal from CPU. SMPS makes +5V and +24V DC from 220V or 110 AC. Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-26...
  • Page 38 2. Product Specifications Main Circuit Board Locations The following diagrams show the locations of the printer circuit boards : 2-27 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 39: Main Controller (M337X_M387X_M407Xfr_M4072Fd)

    LSU, provides high-voltages and PWMs, adjusts temperature in the fusing system, reads sensor signals and controls SCF option. The main controller also controls OPE and N/W PHY, USB Device, Wireless Module. Main Controller Diagram Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-28...
  • Page 40 (Only for Parallel PWR SL-M3375FD/3875FD/3875FW/4075FR) Exit Sensor FAX I/F Air temp WLAN FAN SMPS (Only for SL-M3870FW/3875FW) MAIN Motor CIS I/F SCF (option) RADF I/F DEBUG (Only for SMPS Signal SL-M3870FW/3875FW/4070FR/4075FR) SMPS Power 2-29 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 41 Description ADF I/F HVPS (Only for SENSOR I/F SL-M3370FD/3375FD/3870FD/3875FD) DDR3 SODIMM • Part Code Information JC92-02603M (M3375FD) JC92-02603N (M3370FD) JC92-02603P (M3875FD) JC92-02603Q (M3870FD) JC92-02603R (M3875FW) JC92-02603S (M3870FW) JC92-02603T (M4070FR) JC92-02603A (M4075FR) JC92-02603U (M4072FD) Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-30...
  • Page 42: Main Controller (M407Xfx)

    LSU, provides high-voltages and PWMs, adjusts temperature in the fusing system, reads sensor signals and controls SCF option. The main controller also controls OPE and N/W PHY, USB Device, fax, scanner. Main Controller Diagram 2-31 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 43 OUTBIN FULL / REAR COVER OPEN SMPS POWER RADF IF SCAN MOTOR FAN MAIN ETHERNET HVPS USB DEVICE COVER OPEN SENSOR PARALLEL PWR DIRECT USB DEBUG MAIN DDR3 SO-DIMM • Part Code Information JC92-02621A : PBA-MAIN Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-32...
  • Page 44: Ope Controller

    PBA Name: PBA-OPE(4Line) PBA Name: PBA-OPE MAIN(GUI) • Part Code : JC07-00020A • Part Code : JC07-00017A PBA Name: LCD(4Line) PBA Name: LCD(4.3inch TFT) Part Code : JC92-02524A • PBA Name: PBA-KEY SUB 2-33 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 45: So-Dimm Pba

    The Wireless LAN Module supports 802.11b/g/n at only 3870FW/3875FW model via USB 2.0 high speed. The Module is installed at the USB Host Channel of main controller PBA. • Information Part Code : JC92–02510A Part Name : PBA-WNPC Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-34...
  • Page 46: Adf And Radf Sub Pba

    2. Product Specifications 2.2.5.6. ADF and RADF SUB PBA ProXpress M337x/M387x/407x series have two types of document feeder. M337xFD/M387xFD/M4072FD model uses ADF unit and M387xFW/M407xFR/M407xFW model uses RADF unit. • The ADF SUB PBA is the Joint Board to Connect between ADF Module and Main board.
  • Page 47: Crum Pba

    2.2.5.8. CRUM PBA ProXpress M3370/M3870/M4070/M4072FD series use zCRUM PBA. ProXpress M3375/M3875/M4075 series use zCRUM PBA, OPC CRUM and CRUM JOINT PBA. CRUM PBA uses I2C communication with main controller. M3370/M3870/M4070/M4072FD series M3375/M3875/M4075 series Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-36...
  • Page 48: Fax Board

    • Connection Main Interface Speaker Hook(only China model) Tel Line Ext Line • Information Part Code : JC92–02569A / JC92–02569B(Only China model) PBA Name : PBA-LIU 2-37 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 49: Smps Board

    4) Heat Lamp Capacity : 850W • Information 110V 220V SEC CODE JC44-00097E JC44-00090E PBA NAME SMPS V1 SMPS V2 • Connection INPUT_AC Fuser_AC Output SMPS Control Signal (from Engine PBA) OUTPUT_5V&24V (to DC POWER PBA) Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-38...
  • Page 50: Hvps Board

    High Voltage Power Supply(HVPS) board generates high-voltage channels which includes MHV, DEV, BLADE, SUPPLY, OPC, THV and FUSER BIAS. • Connection Main Interface OPC(-51V) MHV(-1240V) THV(+1315V, -1000V) DEV(-338V) FUSER BIAS(240V) BLADE(-389V) SUPPLY(-489V) • Information Part Code : JC44–00197A Part Name : HVPS 2-39 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 51: Engine Firmware Control Algorithm

    AD converter. The voltage value for impressing to the transfer roller is decided by the changed value. Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-40...
  • Page 52: Fusing

    Error Recovery: If the LReady or Hsync error happens, the paper is exited before the error code is initiated. The engine mode is changed to recovery mode and the engine informs the main system of the engine mode. The engine rechecks the LSU error, if the error does not reoccur printing is resumed. 2-41 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 53: Software Descriptions

    Host. 2) Kernel controls and manage the whole procedure including Control flow and Printing Job before transferring to Engine system. Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-42...
  • Page 54: Data And Control Flow

    1) Network Interface Card is that relay the communication between Host and kernel using various network protocol. 2) Kernel is that manages the flow control of emulation procedure, receiving data from Host or Network card and printing with engine & rendering job. 2-43 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 55 Kernel receives this data from Host, and then select emulation fit to data and start selected one. After emulation job end, Kernel sends the output bit-map data to Engine using Printer Video Controller (by clock type for LSU). • Engine print the received data to required paper with the sequential developing process. Copyright© 1995-2013 SAMSUNG. All rights reserved. 2-44...
  • Page 56: Disassembly And Reassembly

    3.1.1. Precautions when assembling and disassembling • Use only approved Samsung spare parts. Ensure that part number, product name, any voltage, current or temperature rating are correct. Failure to do so could result in damage to the machine, circuit overload, fire or electric shock.
  • Page 57: Releasing Plastic Latches

    Many of the parts are held in place with plastic latches. The latches break easily; release them carefully. To remove such parts, press the hook end of the latch away from the part to which it is latched. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 58: Screws Used In The Printer

    PLATEN SCREW-TAPPING;PWH,+,2,M3,L8,ZPC(BLK),SWRCH18A 6002-000440 PLATEN-UPPER SCREW-TAPPING;PWH,+,2,M3,L8,ZPC(BLK),SWRCH18A DADF 6002-000440 PLATEN-FRAME SCREW-TAPPING;PWH,+,2,M3,L8,ZPC(BLK),SWRCH18A 6003-000269 PLATEN-DRIVETRAIN SCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,- 6002-000440 PLATEN-LOWER SCREW-TAPPING;PWH,+,2,M3,L8,ZPC(BLK),SWRCH18A RADF 6001-000130 DADF SCREW-MACHINE;BH,+,M3,L6,ZPC(WHT),SWRCH18A 6003-000196 DADF SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000269 DRIVE-DADF SCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,- 6003-000196 DADF-COVER SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A OPEN 6001-000130 DADF-PLATEN SCREW-MACHINE;BH,+,M3,L6,ZPC(WHT),SWRCH18A Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 59 3. Disassembly and Reassembly Part Code Location Description 6003-000196 DADF-LOWER SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 DADF-UPPER SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 MAINLINE SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000269 MAINLINE SCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,- Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 60: Replacing The Main Svc Parts

    3.3. Replacing the Main SVC parts 3.3.1. Left and Right Cover 1. Remove the cassette. 4. Remove the right cover by releasing hooks. 2. Open the front and rear cover. 3. Remove the left cover by releasing hooks. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 61: Front Cover

    3. Disassembly and Reassembly 3.3.2. Front Cover 1. Remove the cassette. 4. Remove the front cover by releasing both hooks. 2. Remove the right cover by releasing hooks. 3. Unplug the connector connecting the front cover. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 62: Adf Or Radf Unit

    4. Lift up and release the ADF/RADF Unit. NOTE • ADF Unit : XpressPlus M337xFD, M387xFD, M4072FD • RADF Unit : XpressPlus M387xFW, M407xFR, M407xFX 1. Open ADF/RADF Unit. 2. Remove the connector cover. 3. Unplug the connector. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 63: Ope Unit

    1. Remove the ADF/RADF Unit. (Refer to 3.3.3) 4. Release the OPE board after removing the screws. 2. Pull up the front of the OPE Unit. 3. Unplug the connectors from the OPE unit. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 64: Platen Unit

    8. Lift up and re the platen unit. 5. Remove the screw cap. NOTE When reassembling the platen unit for M4072FD, put it on the middle cover and pull it to the back. 6. Remove 3 screws. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 65: Top-Middle Cover

    1. Remove the left and right cover. (Refer to 3.3.1) 5. Remove the rear dummy cover. 2. Remove the Platen Unit. (Refer to 3.3.5) 3. Remove 7 screws. 6. Lift up and release the top-middles cover. 4. Remove 2 screws. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-10...
  • Page 66: Fax Board

    1. Remove the top-middle cover. (Refer to 3.3.6) 4. Unplug the connector and flat cable. 2. Remove the fax cover after removing 2 screws. 5. Remove the fax board. 3. Remove 1 screw. 3-11 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 67: Middle And Inner Cover

    1. Remove the top-middle cover. (Refer to 3.3.6) 4. Lift up and release the middle cover. 2. Remove 2 screws from the front. 5. Remove the top-inner cover after removing 4 screws. 3. Remove 2 screws from the rear. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-12...
  • Page 68: Main Board

    2. Unplug all connectors on the main board. 3. Remove 4 screws. 3.3.10. HVPS board 1. Remove the right cover. (Refer to 3.3.1) 4. Release the HVPS board. 2. Remove 5 screws. 3. Unplug the connector on the HVPS board. 3-13 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 69: Smps Board

    3. Remove 4 screws. 3.3.12. Laser Scanning Unit (LSU) 1. Remove the middle cover. (Refer to 3.3.8) 4. Release the LSU. 2. Unplug 2 flat cables from the LSU. 3. Remove 3 screws. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-14...
  • Page 70: Fuser Unit

    2. Open the Frame-Rear by pushing both green points. 5. Remove 4 screws. 6. Release the fuser unit. 3. Remove the Frame-Rear by releasing both hooks. CAUTION When reassembling the fuser unit, do not forget to tighten these screws. 3-15 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 71: Main Drive Unit

    3. Remove the main drive unit after removing 6 screws. NOTE When reassembling the main drive unit, tighten 6 screws in order as shown above. 4. Unplug the connector form the main motor. 5. Release the main drive unit. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-16...
  • Page 72: Feed Drive Unit

    2. Release the feed drive unit after removing 2 screws and 1 E-ring. 3.3.16. Pick Up_Regi_MP Clutch 1. Remove the feed drive unit. (Refer to 3.3.15) 2. For the clutch to require replacement, unplug the connector then replace it. 3-17 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 73: Pick-Up Roller

    3. Disassembly and Reassembly 3.3.17. Pick-Up Roller 1. Remove the cassette. 3. Pull the small tap down, then release the pick up roller. 2. Remove the duplex unit. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-18...
  • Page 74: Transfer Roller

    4. Push the transfer roller holder to the center and release 2. Remove the top-inner cover after removing 4 screws. 5. Remove the transfer roller. 3. Release the LSU bracket after removing 4 screws. 3-19 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 75: Mp Unit

    5. Separate the MP lower from the MP upper. 4. Unplug the connector then release the MP unit. 3.3.20. Bin-full sensor 1. Remove the middle cover. (Refer to 3.3.8) 2. Release the bin-full sensor after unplugging the connector. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-20...
  • Page 76: Regi_Feed_Empty Sensor

    4 screws. 6. Unplug the connector then release the empty sensor. 3. Remove the sensor cover after removing 2 screws. 4. For the sensor to require replacement, unplug the connector then replace it. 3-21 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 77: Reverse Roller

    3. Disassembly and Reassembly 3.3.22. Reverse Roller 1. Remove the cassette. 3. Release the reverse roller Assy. 4. Release the reverse roller from its holder. 2. Open the COVER-CASSETTE. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-22...
  • Page 78: Scf(Second Cassette Feeder) Unit

    2. Release the SCF right cover. 3.3.23.2. SCF Main Board 1. Remove the SCF right cover. (Refer to 3.3.23.1) 4. Release the SCF main board. 2. Unplug all connectors on SCF main board. 3. Remove 4 screws. 3-23 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 79: Scf Main Motor

    1. Remove the SCF right cover. (Refer to 3.3.23.1) 6. Remove the SCF clutch. 2. Unplug the clutch connector. 3. Remove 2 E-Rings and 2 Bushes. 4. Remove 2 screws. 5. Release the clutch bracket. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-24...
  • Page 80: Scf Pick Up_Forward Roller

    2. See the bottom of the SCF Unit. 3.3.23.6. SCF Reverse Roller 1. Remove the SCF cassette. 3. Release the reverse roller while pulling the small tap. 2. Open the cassette cover. 3-25 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 81: Scf Main Drive Unit

    1. Remove the SCF right cover. (Refer to 3.3.23.1) 5. Release the SCF Lift Assy. 2. Remove the SCF main board. (Refer to 3.3.23.2) 3. Open the harness clamp. 4. Remove 4 screws. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-26...
  • Page 82: Scf Pick-Up Unit

    5. Remove 4 screws. 2. Remove the SCF main drive unit. (Refer to 3.3.23.7) 3. Unplug the connectors from the right side. 6. Release the SCF Pick-Up Unit. 4. Remove the front cover. 3-27 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 83: Scf Pick-Up_Empty_Feed Sensor

    3. Disassembly and Reassembly 3.3.23.10. SCF Pick-Up_Empty_Feed Sensor 1. Remove the SCF Pick-Up Unit. (Refer to 3.3.23.9) 2. Remove the sensor after unplugging the connector. Copyright© 1995-2013 SAMSUNG. All rights reserved. 3-28...
  • Page 84: Alignment And Troubleshooting

    Switches to Fax mode. Arrows Scroll through the options available in the selected menu, and increase or decrease values. Confirms the selection on the screen. Numeric keypad Dials a number or enters alphanumeric characters Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 85 USB port on the front of your machine. Turn into eco mode to reduce toner consumption and paper usage when pc-printing and copying only. M407xFX NOTE When using the touch screen, only use your finger. Sharp objects can damage the screen. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 86 It is similar to making a call using speaker phone. Help Gives detailed information about this machine’s menus or status. Reset Resets user setting for a job to default value. Status LED Indicates the status of your machine. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 87: Understanding The Status Led

    • To resolve the error, look at the error message and its instructions from the troubleshooting part. • You also can resolve the error with the guideline from the computers’s Samsung Printing Status program window. Status Description The machine is off-line.
  • Page 88 SyncThru™Web Service ( Settings > Machine Settings > System > Setup > Supplies Management) or Samsung Easy Printer Manager (Device Settings > System > Supplies Management). Turning off this option and continuing to print may damage the device’s system.
  • Page 89: Clearing Jams

    Check your machine type. Original paper jam in front of scanner 1) Open the document feeder cover. 3) Close the document feeder cover. 2) Gently remove the original carefully from the document feeder. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 90 If you see no paper in this area, go to next step. 2) Gently remove the original carefully from the document 4) Open the document feeder. feeder. 5) Grasp the misfeed original, and remove the paper from the feed area by carefully pulling it. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 91 4. Alignment and Troubleshooting 6) Close the document feeder. Original paper jam in exit area of scanner 1) Lift up the stacker. 3) Pull down the stacker. 2) Gently remove the original carefully from the document feeder. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 92 Original paper jam in scanner duplex path 1) Open the document feeder cover. 3) Pull the original document gently out of the document feeder. 2) Open the duplex jam cover. 4) Close the duplex jam cover and document feeder cover. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 93: Clearing Paper Jams

    To avoid tearing the paper, pull the jammed paper out slowly and gently. In tray1 1) Pull out tray1. 3) Insert tray 1 back into the machine until it snaps into place. 2) Remove the jammed paper by gently pulling it straight out. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-10...
  • Page 94 2) Remove the jammed paper from the machine. If you do not see the paper in this area, stop and go to next step : 4) Pull out tray1. 5) Pull the paper straight up and out. 4-11 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 95 7) Open the rear cover. In the multi-purpose (or manual feeder) tray 1) If the paper is not feeding properly, pull the paper out 2) Open and close the front cover. of the machine. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-12...
  • Page 96 Inside the machine (M3370/ M3870/ M4070 M4072FD series) 1) Open the front cover. 4) Insert the toner cartridge. 2) Pull the toner cartridge out. 5) Close the front cover. 3) Remove the jammed paper by gently pulling it straight out. 4-13 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 97 4) Insert the imaging unit and toner cartridge. NOTE 1) Open the front cover. 5) Close the front cover. 2) Pull out the toner cartridge and imaging unit. 3) Remove the jammed paper by gently pulling it straight out. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-14...
  • Page 98 If you do not see the paper in this area, stop and go to next step: 2) Open the rear cover. In the duplex unit area 1) Pull the duplex unit out of the machine. 4-15 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 99 3) Insert the duplex unit into the machine. 7) Remove the jammed paper by gently pulling it straight out. If you still do not see the paper, go to the next step. 4) Open the rear cover. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-16...
  • Page 100 4. Alignment and Troubleshooting 8) Close the fuser jam cover. 10) Close the rear cover. 9) Pull up the both fuser levers. 4-17 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 101: Useful Menu Item For Service

    TonerLow Alert : Customizes the level to alert toner low or toner empty • Serial Number: Shows the machine’s serial number. When you call for service or register as a user on the Samsung website, you can find this. •...
  • Page 102 4 Normal You can set the altitude value from Device Settings in Samsung Easy Printer Manager program. • For Windows and Mac users, you set from Samsung Easy Printer Manager > (Switch to advanced mode) > Device Settings. NOTE •...
  • Page 103: Periodic Defective Image

    Developer roller 37 mm Horizontal band cartridge or OPC drum 76 mm White and Black spots Imaging Unit Supply roller 69.57 mm Horizontal band Transfer roller 47.1 mm Ghost, Damaged image Transfer roller Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-20...
  • Page 104: Useful Management Tools

    • For Macintosh, Open the Applications folder > Samsung folder > Samsung Easy Printer Manager. The Samsung Easy Printer Manager interface is comprised of various basic sections as described in the table that follows: NOTE The screenshot may differ depending on operating system you are using.
  • Page 105: Advanced Settings User Interface Overview

    Printer Alert : Provides settings related to when alerts will be received. Email Alert : Provides options relating to receiving alerts via email. History Alert : Provides a history of device and toner related alerts. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-22...
  • Page 106 Job Accounting Provides querying of quota information of the specified job accounting user. This quota information can be created and applied to devices by job accounting software such as SyncThru™ or CounThru™ admin software. 4-23 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 107: Using Samsung Printer Status (Windows Only)

    Check the operating system(s) that are compatible with your machine. Samsung Printer Status overview If an error occurs while operating, you can check the error from the Samsung Printer Status. Samsung Printer Status is installed automatically when you install the machine software.
  • Page 108: Using Syncthru Web Service (Sws)

    2) Log-in Admin Mode. (ID: admin, PW: sec00000) 3) Select pages to check the configuration and customize the settings. CAUTION Please, change SWS Default ID and Password for system security in case of your first connection. 4-25 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 109 1) Click ‘Direct Print Configuration’ in the pop up windows when clicking ‘Direct Print’. 2) In the ‘Services’ Menu, check ‘Direct Print’. 1) Click ‘System Security’ in the ‘Security’ menu. 2) Select ‘Feature Management’ in the left frame. 3) In the ‘Services’ Menu, check ‘Direct Print’. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-26...
  • Page 110: Updating Firmware

    3) Turn the machine on. Check if the printer is the ready status. 4) Drag the firmware file and Drop down on the usblist2.exe. And then firmware update will be started automatically. 5) When upgrading is completed, machine is automatically re-booting. 4-27 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 111: Update The Firmware By Using The Network

    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” Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-28...
  • Page 112 4) Select firmware file using “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. 4-29 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 113: Tech Mode

    To enter the Tech Mode, press “ Menu + # + 1 + 9 + 3 + 4 ” in sequence • M407xFX To enter the service mode, press 1,2,3 number keys simultaneously. When the password dialog box appears, enter “1934” and press the “OK” button. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-30...
  • Page 114: Tech Mode Menu

    107-ATTR Bias Test Routines 100-Motor 101-Clutch 102-Sensor 105-MHV Bias 106-Dev Bias 107-ATTR Bias 109-Fuser Heat 110-LSU NVM Read/Write 020-Fax 022-Handset Test Routines 020-Fax Scanner Shading Test Shading Print Print System Switch Test Restart Machine 4-31 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 115: Tech Mode Menu Description

    This function resets the count information for selected item. Diagnostics > Engine • NVM Initialize This menu initializes all engine NVM value to the default. • NVRAM Read/Write This menu can change a configuration value for engine firmware. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-32...
  • Page 116 On[Off] 110-0110 0110-LD Power4 LSU LD4 Power On/Off (black) On[Off] 110-0170 0170-LSU HSync4 Detect LSU HSync4 (black) High[Low] Diagnostics > Fax • NVRAM Read/Write This menu can change a configuration value for fax. 4-33 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 117 0090-Side Tone Line 0100-Hearing Aid 0110-Speaker Gain 0120-Mic Gain 0130-DTMF H-Adj Lv 0140-DTMF L-Adj Lv 0150-Auto AGC Gain 0160-A.AGC 2k Cur 0170-A.AGC 5k Cur 0180-A.AGC Emp. Rx 0190-A.AGC Emp. Tx 0200-A.Mic Inp Scl. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-34...
  • Page 118 0052-V.34 9600 L1 0053-V.34 12000 L1 0054-V.34 14400 L1 0055-V.34 16800 L1 0056-V.34 19200 L1 0057-V.34 21600 L1 0058-V.34 24000 L1 0059-V.34 26400 L1 0060-V.34 28800 L1 0061-V.34 31200 L1 0062-V.34 33600 L1 4-35 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 119: Service Function

    The function is to set up the time to inform toner low status. This function can provide user convenience for replacing the toner cartridge. Imaging Unit The function is to set up the time to inform imaging unit low status. This function can provide user convenience for replacing the imaging unit. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-36...
  • Page 120: Troubleshooting

    - Main PBA Red LED on / See the troubleshooting OPE LED Error message for error code Green OK? is displayed. Print (test page) Printing Refer to "Solution quality is of Image Problem" nomal? 4-37 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 121: Basic Check List

    Refer to image quality problem section. 6) Check consumables (toner etc.). • Using the keys print the Test Pattern. › Expected life of various consumable parts, compare this with the figures printed and replace as required Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-38...
  • Page 122: Error Code And Troubleshooting

    IMG. Not compatible / Imaging unit is not compatible. Check guide P.4–48 C9-1112 Replace pickup roller / Replace with new tray 1 pickup roller P.4–48 C9-1115 Replace retard roller / Replace with new tray 1 retard roller P.4–49 4-39 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 123 P.4–66 S6-3128 802.1x Network Error / 802.1x Network Error. Contact the Admin P.4–66 U1-2315 Error: #U1-2315 / Fuser Unit Failure: #U1-2315. Turn off then on. Call P.4–67 for service if the problem persists Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-40...
  • Page 124 Original paper jam / Original paper jam inside of scanner. Remove jam P.4–69 U3-3514 Original paper jam / Original paper jam inside of scanner. Remove jam P.4–69 U3-4110 Scanner door open / Door of scanner is open. Close the door P.4–69 4-41 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 125 7) The main BLDC motor is defective. a) Unplug the connector from the motor carefully. b) Replace the main BLDC motor (JC31-00075A)with new one. 8) If the problem persists, replace the main board. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-42...
  • Page 126: Prepare New Toner / Prepare New Toner Cartridge

    1) Turn the machine off then on. 2) Open the front cover. 3) Check if the toner cartridge is installed. If yes, remove and reinstall it. 4) If the problem persists, replace the toner cartridge with new one. 4-43 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 127: Toner Not Compatible / Toner Cartridge Is Not Compatible. Check Guide

    ► Troubleshooting method NOTE This error is for M3375/3875/4075. 1) Open the front cover. 2) Remove the toner cartridge. 3) If the toner cartridge is not a Samsung genuine toner cartridge, replace with new one. ► Error Code C1-1710 C1-1711 C1-1712 ►...
  • Page 128: Prepare New Toner / Prepare New Toner Cartridge

    1) Turn the machine off then on. 2) Open the front cover. 3) Check if the toner cartridge is installed. If yes, remove and reinstall it. 4) If the problem persists, replace the toner cartridge with new one. 4-45 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 129: Toner Not Compatible / Toner Cartridge Is Not Compatible. Check Guide

    ► Troubleshooting method NOTE This error is for M3370/3870/4070. 1) Open the front cover. 2) Remove the toner cartridge. 3) If the toner cartridge is not a Samsung genuine toner cartridge, replace with new one. ► Error Code C2-1710 C2-1711 C2-1712 ►...
  • Page 130: Prepare Img. Unit / Prepare New Imaging Unit

    1) Turn the machine off then on. 2) Open the front cover. 3) Check if the imaging unit is installed. If yes, remove and reinstall it. 4) If the problem persists, replace the imaging unit with new one. 4-47 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 131: Img. Not Compatible / Imaging Unit Is Not Compatible. Check Guide

    This error is for M3320/3820/4020. 1) Open the front cover. 2) Remove the toner cartridge and imaging unit. 3) If the imaging unit is not a Samsung genuine imaging unit, replace with new one. ► Error Code C9-1112 ► Error message Replace pickup roller / Replace with new tray 1 pickup roller ►...
  • Page 132: Replace Retard Roller / Replace With New Tray 1 Retard Roller

    Replace retard roller / Replace with new tray 1 retard roller ► Symptom Tray1 reverse roller is worn out. ► Troubleshooting method 1) Remove the tray1 cassette. 2) Remove the reverse roller(JC90-01032A). (Refer to 3.3.22) 4-49 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 133: Replace Pickup Roller / Replace With New Tray 2 Pickup Roller

    Tray2 reverse roller is worn out. ► Troubleshooting method 1) Remove the Tray 2 cassette. 2) Open the cassette cover. 3) Pull the small tap down, then release the reverse roller(JC97-02259A). (Refer to 3.3.23.6) Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-50...
  • Page 134: Paper Jam In Tray

    3) If the problem persists, check the following. • Check if the pick up/forward/reverse roller(JC97-02259A) is contaminated or worn out. • Check if the feed sensor connector is connected properly. • If the feed sensor(0604–001325) is defective replace it. 4-51 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 135: Tray 2 Door Is Open. Close It

    • Check if the connection between sensor and main board is OK. Reconnect the harness. • If the sensor(JC34-00001A) is defective, replace it. 3) If the problem persists, replace the SCF main board(JC92-02636A). Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-52...
  • Page 136: Error: #H1-1230 / Input System Failure: #H1-1230. Check Tray

    3) Remove the SCF right cover. (Refer to 3.3.23.1) 4) Check if the interface connector is connected to the SCF main board. If the interface connector is defective, replace it. 5) If the problem persists, replace the SCF main board.(JC92-02636A) 4-53 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 137: Tray Not Install

    • Check if the connection between sensor and main board is OK. Reconnect the harness. • If the sensor(JC34-00001A) is defective, replace it. 3) If the problem persists, replace the SCF main board(JC92-02636A). Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-54...
  • Page 138: Paper Empty In Tray 2 / Paper Is Empty In Tray 2. Load Paper

    3) If the Actuator-Paper Empty is defective, replace it. 4) If the Photo Sensor(0604-001325) is defective, replace it. Check if the connector is connected properly. 5) If the problem persists, replace the SCF main board.(JC92-02636A) 4-55 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 139: Paper Jam In Tray

    4) Print out the Supplies Information. Check the Tray 1 Roller Life and Tray1 Reverse(Retard) roller Life. If the life came to the end, replace the relative roller. [Pick up roller] [Reverse roller] Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-56...
  • Page 140: Paper Jam In Mp Tray

    4) Check if the MP Unit connector is connected properly. 5) Remove the MP Unit. (Refer to 3.3.19) 6) Check if the MP rollers are worn out. If necessary, replace the defective roller or MP unit. 4-57 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 141: Paper Empty In Tray 1 / Paper Is Empty In Tray 1. Load Paper

    2) If the Actuator-Paper Empty(JC66-02762A) is defective, replace it. (Refer to 3.3.21) 3) If the photo sensor(0604-001393) is defective, replace it. Check if the connector is connected properly. 4) If the problem persists, replace the main board. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-58...
  • Page 142: Paper Empty In Mp / Paper Is Empty In Mp Tray. Load Paper

    2) If the Actuator-Paper Empty(JC66-02762A) is defective, replace it. (Refer to 3.3.21) 3) If the photo sensor(0604-001393) is defective, replace it. Check if the connector is connected properly. 4) If the problem persists, replace the main board. 4-59 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 143: Jam Inside Machine

    3) Check if the Regi roller is contaminated or worn out. If yes, replace it. 4) Check if there is any obstacles or contamination in the paper path. If yes, clean or remove it. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-60...
  • Page 144: Jam Inside Of Duplex

    3) Check if the exit roller rubber is worn out. Replace the exit roller(JC93-00323A). 4) Check if the exit sensor connector is connected properly. If the connection is OK, replace the exit sensor. 4-61 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 145: Output Bin Full / Output Bin Full. Remove Printed Paper

    1) Remove the paper on the output tray. 2) If the problem persists, check the followings. 3) Remove top cover. 4) Check if the Bin-full Sensor connector is connected properly. Reconnect it or replace the Bin-full sensor(. (Refer to 3.3.20) Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-62...
  • Page 146: Error: #S2-3310 Turn Off Then

    7) S2–3316 : Wait status 8) S2–3317 : EDC mode status 9) S2–3318 : Low power status When these errors display, wait until the message will be disappeared or turn the machine off then on. 4-63 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 147: Door Is Open. Close It

    3) Check if the connection between the main board and HVPS board is correct. 4) Check if the cover open switch on HVPS board is operated properly. If it is defective, replace the HVPS board(JC44-00197A). (Refer to 3.3.5) Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-64...
  • Page 148: Scanner Locked / Scanner Is Locked. Press Stop Button

    Memory Full / Fax memory is full. Print or remove received fax job ► Symptom The fax memory is almost full. ► Troubleshooting method 1) Print or remove the received fax job in Secure Recieve. 4-65 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 149: Network Error / 802.1X Network Error. Contact The Admin

    The confirmation was requested for wired port, the server has rejected. / The confirmation protocol is not the same or user information (ID/Password) is wrong. ► Troubleshooting method Check the setting-up for 802.1x confirmation server. • Re-enter the server information and confirmation protocol. • Re-enter the user information. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-66...
  • Page 150: Error Code U1-2315-2340

    3) After confirming continuity in the fuser connector and the problem still exists; order an SMPS/HVPS and Fuser Unit and install as is necessary. • HVPS : JC44-00197A • SMPS : JC44-00095D (110V) / JC44-00096D (220V) • Fuser Unit : JC91-01023A (110V) / JC91-01024A (220V) 4-67 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 151 5) Reconnect the LSU harness and then execute the LSU motor test again. 6) If the problem persists, replace the LSU(JC97-04065A). 7) If the problem persists after replacing LSU, replace the main board. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-68...
  • Page 152 5) If the problem persists, replace the ADF unit. ► Error Code U3-4110 ► Error message Door of scanner is open. ► Symptom ADF top cover is opened. ► Troubleshooting method 1) Close the ADF top cover. 4-69 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 153: Image Quality Problem

    Remove the foreign matter of the exposure window. unit frame. If the fuser is defective, voids occur periodically at the top Open the rear cover. Reinstall the fuser unit. of a black image. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-70...
  • Page 154 If a black image is partially broken, the transfer voltage is • abnormal or the transfer roller’s life has expired. Clean the inside of the set against the paper particles • and foreign matter in order not to cause the trouble. 4-71 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 155 Check if the high voltage terminal is contaminated. Clean the high voltage terminal. The charging roller is defective. Replace the laser toner cartridge or imaging unit. The output from the HVPS is abnormal. Replace the HVPS board. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-72...
  • Page 156 Use the proper papers. The life of the laser toner cartridge or imaging unit has been Replace the laser toner cartridge or imaging unit. expired The output from the HVPS is abnormal. Replace the HVPS board. 4-73 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 157 The life of the transfer roller has been expired. Replace the transfer roller. 10) Stains on back of page Description : The back of the page is stained. Check and cause Solution Transfer roller is contaminated. Replace the transfer roller. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-74...
  • Page 158 2) If the problem persists, replace the laser toner cartridge or imaging unit. The contact between imaging unit and transfer roller is bad. Check if the imaging unit and transfer roller are installed properly. 4-75 Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 159: Other Errors

    3) Press centre of mark + following order 1~9. Use your finger. Perform 2 times. 4) If there is no problem, “Complete” will appear on LCD and reboot the machine. When making a mistake, start again from the step 1. Copyright© 1995-2013 SAMSUNG. All rights reserved. 4-76...
  • Page 160: System Diagram

    5. System Diagram 5. System Diagram 5.1. Block Diagram (M337xFD_M387xFD_M387xFW_M407xFR_M4072FD) Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 161: Block Diagram (M407Xfx)

    5. System Diagram 5.2. Block Diagram (M407xFX) Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 162: Connection Diagram (M337Xfd_M387Xfd_M387Xfw_M407Xfr_M4072Fd)

    Ope n EMPTY FEED REGI Clutch Clutch Clutch Se nsor Se nsor Outbinfull Ope n WLAN Se nsor Se nsor Se nsor Se nsor Se nsor FUSER Unit The rmoSta t Ma in Motor INLET Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 163: Connection Diagram (M407Xfx)

    XOA :16GB Clutch Se nsor Se nsor Outbinfull Ope n WLAN Se nsor Se nsor Se nsor Se nsor FALCON : 4GB Se nsor FUSER Unit SD CARD Ma in Motor The rmoSta t INLET Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 164: Reference Information

    M2 short). Tweezers Spring Hook Standard : For general home use, small type. Standard : For general use Cotton Swab Software (Driver) installation CD ROM Standard : For general home use, for medical service. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 165: Glossary

    IP addresses to client hosts. Dual Inline Memory Module (DIMM), a small circuit board that holds memory. DIMM stores all DIMM the data within the machine like printing data, received fax data. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 166 Hard Disk Drive (HDD), commonly referred to as a hard drive or hard disk, is a non-volatile storage device which stores digitally-encoded data on rapidly rotating platters with magnetic surfaces. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 167 As most faxes consist mostly of white space, this minimizes the transmission time of most faxes. Modified Modified READ (MMR) is a compression method recommended by ITU-T T.6. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 168 Resolution resolution. Server Message Block (SMB) is a network protocol mainly applied to share files, printers, serial ports, and miscellaneous communications between nodes on a network. It also provides an authenticated Interprocess communication mechanism. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 169 (WAP) and any wireless laptop or WPA-PSK desktop devices. WPA-PSK generates a unique key for each session between a wireless client and the associated WAP for more advanced security. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 170 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. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 171: The Sample Pattern For The Test

    6. Reference Information 6.3. The Sample Pattern for the Test The life of the toner cartridge and the printing speed are measured using the pattern shown below. Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 172: Model Name And Code

    - Applying Independent sub brand name by Segment : Xpress / ProXpress / MultiXpress 2) Model code Information • Basic Structure : [SL-●○○■□◆◆] ◆◆ : Function Information • Function Network Wireless Network Duplex Printing Reverse Type ADF XOA (eXtensible Open Architecture) Handset Auto Document Feeder Copyright© 1995-2013 SAMSUNG. All rights reserved.
  • Page 173: Revision History

    6. Reference Information 6.5. Revision History Version Date Description 2013–03–22 Release 2013–04–26 Modify tech mode menu. 2013–07–08 XOA update 2013–11–18 Engine Status error code(S2–331x) add Copyright© 1995-2013 SAMSUNG. All rights reserved. 6-10...
  • Page 174 CIS, Africa E.Asia, W.Asia, https://gspn2.samsungcsportal.com China, Japan N.America, S.America https://gspn3.samsungcsportal.com This Service Manual is a property of Samsung Electronics © 2013 Samsung Electronics Co.,Ltd. Co.,Ltd. All rights reserved. Any unauthorized use of Manual can be punished under Printed in Korea applicable International and/or domestic law.

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