1. Manuals
  2. Brands
  3. Samsung Manuals
  4. All in One Printer
  5. SF-830
  6. Service manual

Samsung SF-830 Service Manual

Digital laser mfp
Hide thumbs Also See for SF-830:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
SERVICE
Digital Laser MFP
Digital Laser MFP
SF-830/SF-835P
MANUAL
1. Precautions
2. Specifications
3. Disassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. Block Diagram
7. Connection Diagram
Contents

Advertisement

Table of Contents
loading

Related Manuals for Samsung SF-830

Summary of Contents for Samsung SF-830

  • Page 1 Digital Laser MFP SF-830/SF-835P SERVICE MANUAL Contents Digital Laser MFP 1. Precautions 2. Specifications 3. Disassembly 4. Troubleshooting 5. Exploded Views and Parts List 6. Block Diagram 7. Connection Diagram...
  • Page 2 ELECTRONICS © Samsung Electronics Co.,Ltd. MARCH 2002 This service manual is also provided on the web, Printed in Korea. the ITSELF system Samsung Electronics Co., Ltd. VERSION NO. : 1.00 CODE : “http://itself.sec.samsung.co.kr”...
  • Page 3 Copyright Act. Specifications are subject to change without prior notice. Samsung Electronics Digital Printing CS Group Copyright (c) 2002. 3.

  • Page 4: Table Of Contents

    3-10 Drive Ass'y ......................page(3-13) 3-11 SMPS ........................ page(3-14) 3-12 LSU ........................page(3-15) 3-13 Main Frame Ass'y....................page(3-16) • Cover Exit Rear.........................page(3-17) • MP Ass'y ..........................page(3-18) • Feed Ass'y ........................page(3-19) • Pick Up Ass'y ........................page(3-19) • Main PBA ..........................page(3-20) Samsung Electronics...
  • Page 5 • Trembling at the End When OHP Printing ................. page(4-32) • Poor Fusing Grade......................page(4-33) 4-6-4 Malfunction....................page(4-44) • No Power (LCD NO display LED Off)................page(4-36) • Fuser Error........................page(4-37) • Paper Jam (Mis-Feeding)....................page(4-38) • Paper Jam(Jam 1)......................page(4-39) • Engine Error........................page(4-40 4-6-5 Toner Cartridge Service ................page(4-41) Samsung Electronics...
  • Page 6 5-11. Drive Ass'y Exploded View & Parts List............page(5-26) 5-12. Main Frame Ass'y Exploded View & Parts List ..........page(5-28) 5-13. FuserAss'y Exploded View & Parts List............page(5-30) 5-14. Screw ......................page(5-32) 6. Block Diagrams ................page(6-1) 7. Connection Diagram ..............page(7-1) Samsung Electronics...

  • Page 7: Precautions

    6. Observe the original lead dress, especially near sharp edges, AC, and high voltage power sup- plies. Always inspect for pinched, out-of-place, or frayed wiring. Do not change the spacing between components and the printed circuit board. Samsung Electronics...

  • Page 8: Esd Precautions

    2. Be sure to replace the battery with the same or 4. Dispose of used batteries according to the manu- equivalent type recommended by the manufac- facture’s instructions. turer. Samsung Electronics...

  • Page 9: Tools For Troubleshooting

    Cotton Swab Standard: Equipment to check the weight of consum- Standard: For general home use, for medical service. ables(toner cartridge) supplied by Samsung Electron- ics. (The gram unit can be measured.) Cleaning Equipments a IPA(Isopropyl Alcohol)dry cloth or a soft stuff neutral detergent.

  • Page 10: Specifications

    Recommended System Requirement Pentium II 233 Mhz, 64 MB RAM, 120MB(Hard Disk) Minimum System Requirement Pentium II 400Mhz, 128 MB RAM, 220MB(Hard Disk) 16 characters X 2 lines Memory 4 Mbyte for flash Memory , 20 Mbyte for DRAM Samsung Electronics...

  • Page 11: Printer

    Data coding(Compression) MH/MR/MMR/JBIG(Transmission) Modem speed 33600/28800/14400/12000/9600/7200/4800/2400 bps Transmission Speed Approximately 3 sec(33,600 bps) Effective Scanning Width 8.2 inches(208 mm) Halftone 256 Levels ADF(Automatic Document Feeder) : 50Sheets(75g/ß ≥ ) Paper Capacity(Input) FAX Mode Standard /Fine/Super Fine Memory 8 MB Samsung Electronics...

  • Page 12: Scanner

    Plain , Legal , Cardstock , Transparency Zoom Range ADF : 25~200 %(1% Step) NOTE : (1) Speed claims based on the test chart : Letter size. SDMP : Single Document Multiple Printout MDSP : Multiple Document Single Printout Samsung Electronics...
  • Page 13 Tone only user modeTone/Pulse selectable in tech mode. 2-7 Consumables Item Description Type Separate type (Toner Cartridge / Drum Cartridge) Life Toner Cartridge 6,000 sheets ( 5% coverage pattern, simplex normal mode ) Drum Cartridge 15,000 sheets (simplex normal mode ) Samsung Electronics...

  • Page 14: Disassembly And Reassembly

    5. Do not force to remove or planten plastic-material components. 6. Make sure all components are in their proper position. 3-2 Rear Cover 1. Remove the six screws securing the Rear Cover. 2. Separate the Rear Cover from the Base Frame and Scanner Ass'y. Samsung Electronics...

  • Page 15: Scanner Ass'y

    2. Remove the six screws and take out the Shield Main Upper. 5. Unplug the one connector from the Main Board and remove two screws. 3. Remove the three screws, as shown below. 6. Pull up the Scanner Ass'y in the direction of arrow. Samsung Electronics...

  • Page 16: Ope Ass'y

    2. Remove the two screws securing the Scanner Ass'y. 3. Pull the OPE Ass'y as shown below. 6. Remove the Contact Rubber from the unit. 4. Unplug the two connector from the OPE Ass'y. 7. Remove the Key Pad from the unit. Samsung Electronics...
  • Page 17 - Rear cover (see page 3-1) - Scanner Ass'y (see page 3-2) - OPE Ass'y (see page 3-3) Cover Gear Link Tray 2. Open the ADF Upper Ass'y. 4. Remove the ADF Upper Ass'y, as shown below. ADF Upper Ass’y Samsung Electronics...
  • Page 18 5. Take out the Housing Upper ADF, as shown below. Housing Upper ADF 3. Push the part to the arrow direction (to the inner), unlatch the part to the arrow direction and remove Guide Lower Ass'y. Guide Lower Ass’y Samsung Electronics...
  • Page 19 5. Unlatch the Scan Roller gear part and remove it, as shown below. Scan Roller 6. Unlatch the ADF Roller gear part and remove it, 3. Remove the seven screws securing the ADF as shown below. Lower Ass'y. ADF Roller Samsung Electronics...
  • Page 20 11. Unlatch the Cover Switch and remove it, as Take out the CIS Ass'y. shown below. Cover Switch CIS Ass’y 12. Unlatch the both side and remove the Scan 9. Remove the one screw securing the CIS Bracket Board. and take out the CIS. CIS Bracket Samsung Electronics...

  • Page 21: Side Cover Ass'y

    Tray-Case from the Tray Link. The Tray Link (inner side) locates at an angle of 45˚ from the Side Cover Ass’y and then remove the Tray Link. MP Tray Tray Link Tray-Case Samsung Electronics...
  • Page 22 1. Unite the part and home to the projection 1. Take out the Transfer Roller, as shown below. part of the Side Cover assembly, and widen them from each other to dissemble the Side Cover Ass’y. Deplex Ass’y Samsung Electronics...

  • Page 23: Fuser Ass'y

    3. Unplug the one connector. 7. After remove the two screw and open the Lower Ass’y froward tack out the Heat Roller Ass’y from Upper Fuser Ass’y. 4. Remove the three screws and take out the Fuser Ass'y. Heat Roller 3-10 Samsung Electronics...

  • Page 24: Exit Ass'y

    - Rear Cover (see page 3-1) - Scanner Ass'y (see page 3-2) - Side Cover Ass'y (see page 3-8) 2. Take out the Cover rr Ass'y , as shown below. Cover Rear Ass’y 4. Pull the Exit Ass'y and remove it. Samsung Electronics 3-11...

  • Page 25: Cover Paper Exit Ass'y

    1. Before you remove the Cover Paper Exit Ass'y, 2. Remove two screws and Cover Paper Exit Ass'y, you should remove: as shown below. - Rear Cover (see page 3-1) - Scanner Ass'y (see page3-2) Cover Paper Exit Ass’y 3-12 Samsung Electronics...

  • Page 26: Drive Ass'y

    - Rear Cover (see page 3-1) - Shield Main Upper (see page 3-2) 2. Unplug the two connectors. (Main Motor:9pin, Duplex Solenoid : 2pin) Dust Fan 4. Remove the five screws and take out the Drive Ass'y. Drive Ass’y Samsung Electronics 3-13...

  • Page 27: Smps

    - Side Cover Ass'y (see page 3-8) - Exit Ass'y (see page 3-11) - Cover Paper Exit Ass'y (see page 3-11) 2. Remove three screws and take out the Shield SMPS Upper. 4. Remove the SMPS, as shown below. SMPS 3-14 Samsung Electronics...

  • Page 28: Lsu

    3. Remove the three screws and take out the LSU. - Rear Cover (see page 3-1) - Scanner Ass'y (see page 3-2) - Side Cover Ass'y (see page 3-8) - Exit Ass'y (see page 3-11) 2. Unplug the two connectors. Samsung Electronics 3-15...

  • Page 29: Main Frame Ass'y

    Dummy Scan Lower. Dummy Base Frame Cam Jam Remove 5. Remove the seven screws and take out the Main Frame Ass'y. Main Frame Ass’y Front Cover 3. Remove the Locker Deve. Cover Motor Bracket Lock Deve 3-16 Samsung Electronics...

  • Page 30: Cover Exit Rear

    Disassembly and Reassembly * Cover Exit Rear 1. Remove the one screw and take out the Panel 2. Remove the one screw and Cover Exit Rear, as Connect MPF. shown below. Cover Exit Rear Samsung Electronics 3-17...

  • Page 31: Mp Ass'y

    Disassembly and Reassembly * MP Ass'y 1. Unplug the two connectors. 3. Release the SMPS fit. Pull the MP Ass'y Upward and remove it. MP Ass’y 2. Remove the four screws and take out the Dummy Cover. Dummy Cover 3-18 Samsung Electronics...

  • Page 32: Feed Ass'y

    1. Unplug the three connectors. 3. Remove the four screws and take out the Pick Up Ass'y, as shown below. 2. Remove the two screws and take out the Cas- sette Rail. Guide Paper Out Pick-up Ass’y Cassette Rail Samsung Electronics 3-19...

  • Page 33: Main Pba

    2. Remove the five screws and take out the Main Main Lower. PBA from the Shield Main Lower. Main PBA Shield Main Lower 3. Remove the one screw and unlatch the LIU PBA securing the Main PBA and remove it. LIU PBA Main PBA 3-20 Samsung Electronics...

  • Page 34: Maintenance & Troubleshooting

    In this chapter, it was mentioned about the functions for maintaining the product, how to find the causes of the inferiority, and troubleshooting method. The service manual is bound the SF-835P and SF-830 together in one volume. The SF-835P has functions such as printer, copy, scanner, and fax.

  • Page 35: Error Messages

    15000 print pages. NO CARTRIDGE When the machine detected the toner cartridge has Install the Cartridge. not been installed. BYPASS JAM When the machine detected the non-feeding from Open the side Cover and clear the jam. BYPASS Tray. Samsung Electronics...
  • Page 36 Camp & Thermostat. Heating Error During operation, Temperatare does not go up. Check thermister contact point & Heating Lamp. Scanner Locked Scanner is locked by locker. Check locker. Connect the Flat-Cable. Samsung Electronics...

  • Page 37: User Mode

    DEPARTMENT CODE (Memu + One-touch15) TX CONFIRM (Memu + One-touch16) SCHEDULE JOB (Memu + One-touch17) PHONE BOOK (Memu + One-touch18) SYSTEM DATA (Memu + One-touch19) TX JOURNAL (Memu + One-touch20) RX JOURNAL (Memu + One-touch21) HELP LIST (Memu + One-touch22) HELP LIST Samsung Electronics...

  • Page 38: Tech Mode

    To return to normal user mode, press MENU, #, 1, 9, 3, 4 in sequence again, or turn the power off, then on by unplugging and plugging the power cord. Options changed while in service mode do not remain changed unless you clear the machine’s memory. Samsung Electronics...

  • Page 39: Setting-Up System In Tech Mode

    TX JOURNAL (Memu + One-touch20) The same as User Mode. RX JOURNAL (Memu + One-touch21) The same as User Mode. HELP LIST (Memu + One-touch22) MSG. CONFIRM SCHEDULE JOB PHONE BOOK SYSTEM DATA TRANSMISSION RECEPTION HELP LIST PROTOCOL ERROR CODE Samsung Electronics...

  • Page 40: System Data

    2. Push the ENTER button. 3. Select you country. 4. Push the ENTER button then it will be all memory clear. . NOTICE : Always perform the memory clear after replace the main board. Otherwise, the system may not operate properly. Samsung Electronics...

  • Page 41: Maintenance

    3. After the scan, CCD SHADING PROFILE will be print out. 4. If the printed image is different to the image, the CCD is defect. NOTICE : When you test CCD, make sure that the cover is closed. < ADJUST SHADING > Samsung Electronics...
  • Page 42 It is needed in the production progress. Service person doesn't need to use it. ROM TEST Use this feature to test the machine'S ROM. The result and the software version appear in the LCD display. • FLASH VER : 1.00 V • ENGINE VER :1.00V Samsung Electronics...
  • Page 43 PROGRAM DIAL It is a function setting transmitting conditions to transmit to specific address preliminary. When user transmit specific address set this function, the conditionsapplied automatically. 4-10 Samsung Electronics...

  • Page 44: Report/Help

    It lists all telephone numbers that have been stored in the machine. SCHEDULE JOB This list shows a specific information on the documents currently stored for delayed transmission. It provides the operation number, starting time, type of operation, etc. ERROR CODE It shows error history occurred using product. Samsung Electronics 4-11...

  • Page 45: Firmware Upgrade

    1. sending and receiving fax must be the same model. 2. A sending fax must be set up as ECM mode, and a receiving memory must be set up as 100%. If not, the function operates abnormally. 4-12 Samsung Electronics...

  • Page 46: Identify Sale Date

    Method : Press MENU, #, 1, 9, 3, # in sequence.Firmware version is displayed on LCD. FLASH VER : 1.00 ENGINE VER : 1.00 Press 1( in the number keypad) : The LCD display shows "Updated date" Press 2( in the number keypad) : The LCD display shows "Product first use date" Samsung Electronics 4-13...

  • Page 47: Engine Test

    When the function is on, sentence to explain the condition of engine is printed in the below section of the printing output. It is needed in the development progress. Service person doesn't need to use it.4-7 Troubleshooting 4-14 Samsung Electronics...

  • Page 48: Print Quality

    1. LSU light power normal? 1. Check the rated level and replace. 2. Bias voltage output is high? 2. Set to power rating. 3. Video data is always supplied? 3. Replace defected board. Digital Printer Digital Printer Samsung Electronics 4-15...
  • Page 49 2. The toner cartridge is out of position? 2. Checkand adjust. Partial blank image 1. Develope roller scar or particle. 1~2. Replace toner cartridge. (periodic) 2. Scar or particle. (94 mm) 3. Transfer roller scar or particle . 3. Replace transfer roller. (47 mm) 4-16 Samsung Electronics...

  • Page 50: Abnormal Image Printing And Defective Roller

    Supply Roller 35.8 mm Horizontal dark band Develope Roller 44.8 mm Horizontal dark band Transfer Roller 57.8 mm Black side contamination/transfer fault Heat Roller 82.5 mm Black spot, White spot Pressure Roller 69.1 mm Black side contamination Samsung Electronics 4-17...

  • Page 51: No Image

    LSU transit to High/Low the defective component when printing? or board The mirror in LSU might be misplaced so the light path to the OPC deviates ->Repair or replace LSU or remove any defective matters in the machine Samsung Electronics 4-18...
  • Page 52 This could occurs when he power of LSU is low or life the density is low due to the obstacles on the window -> Replace LSU or clean the window Replace the toner cartridge 4-19 Samsung Electronics...

  • Page 53: All Black

    -> Repair or replace the boards Replace LSU Is charge voltage supplied Repair or replace HVPS from HVPS? Is the Hsync/ signal received Replace LSU in LSU? Charge part's contact is bad -> Repair or replace toner cartridge Samsung Electronics 4-20...

  • Page 54: Vertical White Line (Band)

    OPC of Check both if the toner cartridge's developer and LSU prevent the counter is over its guaranty and path -> Remove the obstacles amount of the toner material -> Replace the toner cartridge 4-21 Samsung Electronics...

  • Page 55: Dark Image

    Toner over supply due to the Works adjustment fault of metering correctly after blade in developer replaced LSU? -> Replace developer The power of LSU is set high or internal problem -> Replace LSU or adjust volume Samsung Electronics 4-22...

  • Page 56: Background

    Check if the LED of PTL in front of the transfer roller is on when it presses the top cover switch on purpose -> If not, replace PTL Internal blade or supplying part of the developer is defective -> Replace the toner cartridge 4-23 Samsung Electronics...

  • Page 57: Ghost

    OK? (-300V) HVPS Operating/storage There may be a problem in toner temperature is too low or layer control in toner cartridge not recommended -> Replace the developer paper used? Use the machine with recommended paper and at condition Samsung Electronics 4-24...

  • Page 58: Black Dot

    Check toner is stuck onto since the obstacles toner material dropped the P/R or H/R in fuser stuck to charge roller onto the paper -> -> Clean it or replace -> Clean the Charge Roller Replace the developer and then reprint. 4-25 Samsung Electronics...

  • Page 59: Horizontal Band

    (38mm) -> Repair/replace HVPS, developer The OPC is damaged due to Heat roller is ruined the irregular transfer voltage -> Replace the roller of HVPS -> Repair/replace HVPS -> If the same problem persists, replace the developer Samsung Electronics 4-26...

  • Page 60: Irregular Density

    Bad images Any obstacles supply from developer around the no image on the PTL lamp? -> Replace developer area? Light distortion due to Clean the window of PTL the mirror ruined or LSU's diffused reflection -> Replace LSU 4-27 Samsung Electronics...

  • Page 61: White Spot

    Obstacles stuck on OPC's D/R in developing unit has surface the defect -> Clean the OPC and -> Replace the developer machine or replace developer When putting in/out the developer, scratch is made -> Replace the developer Samsung Electronics 4-28...

  • Page 62: Trembling At The End When Ohp Printing

    Other parts are touching the When multi-page OHP printng, fan and prevents it from less than 10 films are revolution guranteed. (Reduce the -> Check and repair number of films and re-insert after paper check LED if off) 4-29 Samsung Electronics...

  • Page 63: Poor Fusing Grade

    3 Kg) 3.5mm? Replace the control The paper used is too component on Main thick or contains too much cotton in it -> Re-test with the Check any contact recommended paper problem in thermistor and repair Samsung Electronics 4-30...

  • Page 64: Malfunction

    Clean around fuser. 2. Paper is curled in the exit cover?. 2. Check locking works wells. Watch whether the ribs of exit cover hace any burr or resisitive edge. If they do, remove obstacles or replace. 4-31 Samsung Electronics...
  • Page 65 1. Check whether the Reg. sensor is working or not. ADF. 2. Check whether the Feed Roller is working or not. Does it curl while coming out? 1. Check the Open Cover whether there are bosses. 2. Check the ADF ass'y is well assemble. Samsung Electronics 4-32...

  • Page 66: No Power (Lcd No Display Led Off)

    -> Replace the boards Repair/replace the Remove the shortage Detect failure due to the board which detects side board or replace the board cover open or switch error -> Replace the board or switch 4-33 Samsung Electronics...

  • Page 67: Fuser Error

    If not check the CN4 on the power board. The voltage of pin #60 of U36 Thermistor, connecting point or engine (CPU) on the Main PBA board defect -> Repair/replace the is about 2.65V when component/board printing? Samsung Electronics 4-34...

  • Page 68: Paper Jam (Mis-Feeding)

    Switch them Does the Pull out the Paper end curled? extender pulled out? extender <Recommendation> Use the recommended Use the MPF for the thick and quality paper paper such as envelope and cardstock 4-35 Samsung Electronics...

  • Page 69: Paper Jam(Jam 1)

    Adjust the paper guides to fit the or sensitive paper to paper width is grounded Check static electricity? the shutter prevents feeding The force of springs pressing the developer is weak -> Check guide-DEVE Use the recommended paper Samsung Electronics 4-36...

  • Page 70: Engine Error

    (Main B'D to LSU) Check Main B'D CN7-9, Replace Main PBA P_MOTOR Signal Check Main B'D CN7-8, Replace LSU LREADY Signal Check Main B'D CN7-4, Replace Main PBA LDON Signal Check Main B'D CN7-1, Replace LSU HSYNC Signal 4-37 Samsung Electronics...
  • Page 71 4-7-3 Toner Cartridge and Drum Cartridge Service It is not guaranteed for the default caused by using other toner and Drum Cartridge cartridge other than the cartridge supplied by the Samsung Electronic or caused by non-licensed refill production. Precautions on Safe-keeping of the Drum Cartridge Excessive exposure to direct light more than a few minutes may cause damage to the cartridge.

  • Page 72: Signs And Measures At Poor Toner Cartridge

    2. Check whether it could be recycled. contaminated with toner. (1)Check whether foreign sub- stances or toner are stuck to the terminal (contact point) of the developer. (2)Check whether the state of the terminal assembly is normal. 4-39 Samsung Electronics...
  • Page 73 (contact point) of the cled over 2 times. developer. (2)If toner nearly being expired are col- (2)Check whether the state of the lected to use, it is judged as the recycled terminal assembly is normal. developer. Samsung Electronics 4-40...
  • Page 74 Clean the terminals of the nal(point of contact) of the charged roller, then recheck it. developer and the state of assembly. (Especially check the charged roller terminal.) 4-41 Samsung Electronics...

  • Page 75: The Cause And Solutions Of Bad Environment Of The Software

    Turn the PC and printer off, and reboot the system to print again. If not solved, double-click the printer in my computer If the regular fonts are not printed this time again. the cable must be defective so replace the cable with new one. Samsung Electronics 4-42...

  • Page 76: Abnormal Printing

    Before choosing the document, the menu is still inactive. Or put the document out of the list and repeat the routine as in the above or finish the spool manager. 4-43 Samsung Electronics...
  • Page 77 Exploded Views and Parts List Appendix information The following list shows different materials by model. The material codes mentioned in themanual are subject to change without prior notice. For the latest exact information, see ITSELF SYSTEM. (http://itself.sec.samsung.co.kr) PMO-COVER DUMMY OPE JC72-00858D PBA SUB-LIU JC92- •SCX-5312F/XAA...
  • Page 78 JC96-02429G ELA HOU-SCANNER JC96-02447E ELA HOU-OPE COVER ASS’Y JC96-02430G ASS’Y(SEC) PMO-OPE COVER JC72-00796G ELA HOU-PLATEN ASS’Y(SEC) JC96-02445E PCT-ONETOUCH PAPER JC72-00872G ELA HOU-OPE COVER ASS’Y JC96-02444E PCT-LCD WINDOW JC72-00870G PMO-OPE COVER JC72-00944E PMO-COVER DUMMY OPE JC72-00858G PCT-LCD WINDOW JC72-00945E Samsung Electronics...

  • Page 79: Exploded View & Parts List

    5-12 Pick-up Ass’y Exploded View & Parts List......page(5-25) 5-13 Drive Ass’y Exploded View & Parts List ......page(5-26) 5-14 Main Frame Ass’y Exploded View & Parts List....page(5-28) 5-15 Fuser Ass’y Exploded View & Parts List ......page(5-30) 5-16 Screw ................page(5-32) Samsung Electronics...

  • Page 80: Main Exploded View & Parts List

    Exploded Views and Parts List 5-1. Main Exploded View & Parts List Samsung Electronics...
  • Page 81 SHEET FEED JC72-00078A PBA SUB-LIU JC92-01355A ONLY SF-835P PMO-DUMMY BASE FRAME JC72-00789A IPR-SHIELD MAIN LOWER JC70-00245A PMO-COVER FEED AY JC72-00801A PMO-COVER BRKT MOTER JC72-00834A PMO-GUIDE PAPER OUT JC72-00835A SHEET-CONNECTOR JC63-00072A O : Service available X : Service not available Samsung Electronics...
  • Page 82 MEA UNIT-HOLDER GND ASS’Y JC97-01574A 53-1 SPRING ETC-TR_R JC61-70906A 53-2 PMO-BUSH JC72-40228A 53-3 PMO-HOLDER GEAR TR JC72-00884A MEA ETC-COVER REAR ASS’Y JC97-01620A 54-1 PMO-GUIDE-EXIT-OPEN JC72-00939A 54-2 PMO-COVER REAR JC72-00915A OPTIONAL O : Service available X : Service not available Samsung Electronics...

  • Page 83: Scanner Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-2. Scanner Ass’y Exploded View & Parts List Samsung Electronics...
  • Page 84 PPR-FILM CIS JC72-00931A PMO-HOUSING UPPER ADF JC72-00894A PMO-COVER GEAR JC72-00914A PMO-TRAY INPUT DOC JC72-00897A ELA HOU-OPE ASS'Y JC96-02300A PCT-COVER LCD JC72-00932A SF-830 PCT-COVER LCD JC72-00932B SF-835P CBF HARNESS-OPE JC39-00167A ELA HOU-HOU LOWER ASSY JC96-02302A PMO-TRAY LINK,MP JC72-00857A SCREW-TAPTITE 6003-000196 O : Service available X : Service not available...

  • Page 85: Adf Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-3. ADF Upper Ass’y Exploded View & Parts List 17-1 17-2 17-3 17-4 17-5 17-6 17-7 Samsung Electronics...
  • Page 86 PMO-HOLDER ADF JC72-00905A 17-2 IPR-SPRING ADF1 JC70-00285A 17-3 IPR-SPRING ADF2 JC70-00286A 17-4 PPR-FILM ADF2 JC72-00929A 17-5 SILICON/RUBBER-PAD ADF JC73-00113A 17-6 PPR-FILM ADF1 JC72-00930A 17-7 RIVET-SNAP 6041-001028 PPR-WHITE BAR SHEET JC72-00752A O : Service available X : Service not available Samsung Electronics...

  • Page 87: Scan Lower Ass'y Exploded View & Parts List

    5-15-2 5-15-4 5-14 5-15-1 5-14-5 5-17-1 5-14-3 5-14-6 5-17-2 5-17-3 5-14-2 5-14-4 5-17-4 5-17 5-14-1 5-17-3 5-16-11 5-17-5 5-17-4 5-16-9 5-16 5-10 5-16-7 5-16-10 5-16-6 5-16-8 5-16-5 5-16-3 5-12 5-16-1 5-16-4 5-16-2 5-13-3 5-13-1 5-13-4 5-13 5-13-2 5-11 Samsung Electronics...
  • Page 88 5-15-5 PMO-BUSHING SHAFT JC72-00912A 5-15-6 GEAR-AGITATOR_1 JC66-40951A 5-16 MEA HOU-ROLLER ADF ASS’Y JC97-01613A 5-16-1 GEAR-ADF ROLL JC66-00361A 5-16-2 SPRING ETC-CLUTCH JC61-00554A 5-16-3 PMO-SLEEVE ADF JC72-00911A 5-16-4 MEC-ROLLER ADF JC75-00153A 5-16-5 ICT-SHAFT ADF JC70-00292A 5-16-6 ICT-PIN ADF JB70-00168A 5-10 Samsung Electronics...
  • Page 89 JC72-00912A 5-16-11 GEAR-ADF JC66-00363A 5-17 ELA ETC-MOTOR ASSY JC96-02303A 5-17-1 IPR-BRKT GEAR JC70-00291A 5-17-2 MOTOR-STEPPING HELICAL JB31-00006B 5-17-3 GEAR-REDUCTION 45/19 JC66-00324A 5-17-4 RING-C 6044-000159 5-17-5 GEAR-RDCN 4316 JC66-00362A O : Service available X : Service not available Samsung Electronics 5-11...
  • Page 90 Exploded Views and Parts List 5-5. OPE Ass’y Exploded View & Parts List 5-12 Samsung Electronics...
  • Page 91 JC72-00892A PMO-KEY OHD JC72-00864A PMO-KEY START JC72-00868A PMO-KEY STOP JC72-00869A RMO-KEY RUBBER MEMORY JC73-00111A RMO-KEY RUBBER NAVI JC73-00110A RMO-KEY RUBBER TEL JC73-00109A PBA MAIN-OPE B'D JC92-01376A SCREW-TAPPING 6002-000319 O : Service available X : Service not available Samsung Electronics 5-13...

  • Page 92: Side Cover Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-6. Side Cover Ass’y Exploded View & Parts List 1-4 1-4 11-4 1-10 1-11 1-10 1-12 10-2 10-7 10-3 10-4 10-6 10-5 10-1 5-14 Samsung Electronics...
  • Page 93 LABEL(R)-HEIGHT,MP JC68-00697A CBF HARNESS-OPE GND JC39-00036A PMO-TIE STOPPER JC72-00766A IPR-BRKT GROUND B JC70-00230A IPR-BRKT GROUND TR JC70-00231A IPR-BRKT GROUND A JC70-00232A IPR-BRACKET GUIDE B JC70-00234A PMO-BUSHING FEED JC72-00730A O : Service available X : Service not available Samsung Electronics 5-15...

  • Page 94: Cassette Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-7. Cassette Ass’y Exploded View & Parts List 5-16 Samsung Electronics...
  • Page 95 PMO-GUIDE REAR JC72-00717A PMO-GUIDE/SIDE CST JC72-40967D PMO-LOCKER PLATE JC72-41210A PRP-PAD CST JC73-10910A SPRING ETC-LOCKER PLATE JG61-70531A SPRING ETC-PLATE K/UP JC61-00455A LABEL(R)-INSTRUCTION CST JC68-00692A LABEL(R)-HEIGHT CST JC68-00709A PMO-IMPACT CASSETTE JC72-00877A O : Service available X : Service not available Samsung Electronics 5-17...

  • Page 96: Exit Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-8. Exit Ass’y Exploded View & Parts List 5-18 Samsung Electronics...
  • Page 97 PMO-HOLDER EXIT ROLL JC61-00547A PMO-ROLLER FD F JC72-41007A PMO-ROLLER FD R JC72-41008A SPRING ETC-EXIT LOWER IDLE JC61-00484A MEC- BRUSH ANTISTATIC JC75-00095A PBA SUB-BIN-FULL SENSOR JC92-01400A RING-C 6044-000159 PMO-LEVER STACKING JC72-00709A O : Service available X : Service not available Samsung Electronics 5-19...

  • Page 98: Feeder Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-9. Feeder Ass’y Exploded View & Parts List 5-20 Samsung Electronics...
  • Page 99 PMO-ROLLER FEED L JC72-40261A SPRING-FEED CAST JC61-00480A PMO-HOLDER PINCH M JC72-00724A PMO-SUB HOLDER FEED JC72-40266A SPRING ETC-FEED MP JC61-00481A WASHER-PLAIN 6031-000021 PMO-ROLLER FEED S JC72-40262A IPR-SHAFT FEED IDLER JC70-10230A O : Service available X : Service not available Samsung Electronics 5-21...

  • Page 100: Mp Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-10. MP Ass’y Exploded View & Parts List 5-22 Samsung Electronics...
  • Page 101 PMO-HOLDER SENSOR,MP JC72-00772A PMO-HOUSING PICK UP,MP JC72-00773A PMO-PLATE KNOCK UP,MP JC72-00775A PMO-IDLE PICK UP,MP JC72-41027A RPR-RUBBER PICK UP,MP JC73-00089A RPR-RCT-PAD-PICKUP,MP JC73-00090A RPR-PAD KNOCK UP,MP JC73-10906A PBA SUB-MP SEN JC92-01362A O : Service available X : Service not available Samsung Electronics 5-23...

  • Page 102: Base Frame Exploded View & Parts List

    JC70-00241A PMO-BASE FRAME JC72-00779A PMO-BRACKET PUSH DEVE JC72-00780A PMO-BRACKET SIDE OPEN JC72-00781A PMO-COVER FRONT DUMMY JC72-00785A ELA M/MEDIO AUD-SPEAKER JC96-01607A IPR-GROUND PLATE SCF JC70-00243A CBF HARNESS SCF JC39-00082A O : Service available X : Service not available 5-24 Samsung Electronics...

  • Page 103: Pick-Up Ass'y Exploded View & Parts List

    PMO-PTL PATH JC72-00822A PMO-SHAFT PICK UP JC72-00729A RPR-RUBBER PICK UP JC73-00086A SPRING-PICKUP JC61-00482A PBA SUB-FEED+P.EMP SEN. JC92-01363A PBA SUB-PTL JC92-01361A PBA SUB-TONER_TX JC92-01359A PICK UP, CSTAS (FRU) JC81-00428A O : Service available X : Service not available Samsung Electronics 5-25...

  • Page 104: Drive Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-13. Drive Ass’y Exploded View & Parts List 5-26 Samsung Electronics...
  • Page 105 GEAR-RDCN FEED OUTER JC66-00343A GEAR-HUB CLUTCH JC66-00340A GEAR-RDCN FEED INNER JC66-00342A GEAR-FEED DRV JC66-00348A GEAR-OPC DRV JC66-00347A GEAR-GEAR FUSER DRV OUTER JC66-00334A GEAR-FUSER DRV INNER JC66-00333A RING-E 6044-000231 O : Service available X : Service not available Samsung Electronics 5-27...

  • Page 106: Main Frame Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-14. Main Frame Ass’y Exploded View & Parts List 29.30 5-28 Samsung Electronics...
  • Page 107 JC66-40211B GEAR-EXIT,IDLE(Z17) JC66-40964A CBF-HARNESS THERMISTOR_JOINT JC39-00164A PMO-HOUSING TERMINAL JC72-41010A IPR-TERMINAL FU JC70-10961A PMO-CAP CONNECTOR L JC72-00463A PMO-CAP CONNECTOR U JC72-00465A ELA HOU-MOTOR GND JC96-01579A SPRING-CLUTCH JB61-70922A RING-CS 6044-000001 O : Service available X : Service not available Samsung Electronics 5-29...

  • Page 108: Fuserass'y Exploded View & Parts List

    Exploded Views and Parts List 5-15. Fuser Ass’y Exploded View & Parts List 23-3 23-4 23-2 23-1 5-30 Samsung Electronics...
  • Page 109 PMO-ACTUATOR EXIT JC72-00810A 23-2 PMO-GUIDE DUPLEX JC72-00816A 23-3 PMO-ARM ACTUATOR JC72-00811A 23-4 GUIDE REMOVE JC61-00546A SPRING-ACTUATOR 6G JC61-00485A LABEL(R)CAU_HOT.FU JC68-30928B LABEL(R)-LV FUSER JC68-00408A 110V LABEL(R)-HV FUSER JC68-00407A 220V O : Service available X : Service not available Samsung Electronics 5-31...

  • Page 110: Screw

    SEC CODE DESCRIPTION SPEC 6006-000127 SCREW-ASS’Y MACH “WS,PH,+,M3,L6,ZPC(YEL),MSWR15” 6001-000568 SCREW-MACHINE “PH,+,M3,L8,NI PLT,SM20C,-” 6002-000175 SCREW-TAPPING “PWH,+,2,M3,L8,ZPC(YEL),SM20C” 6002-000351 SCREW-TAPPING “PH,+,2,M2,L8,ZPC(YEL),SM20C” 6003-000119 SCREW-TAPTITE “BH,+,B,M3,L8,CBLACK,SWRCH18A” 6003-000196 SCREW-TAPTITE “PWH,+,B,M3,L10,NI PLT,SWRCH18A” 6003-000198 SCREW-TAPTITE “PWH,+,B,M3,L12,ZPC(YEL),SWRCH1” 6003-000221 SCREW-TAPTITE “PWH,+,S,M4,L8,ZPC(YEL),SWRCH18” 6003-000266 SCREW-TAPTITE “PWH,+,S,M3,L6,ZPC(YEL),SWRCH18” 6003-000269 SCREW-TAPTITE “BH,+,S,M3,L6,ZPC(YEL),SWRCH18A” 5-32 Samsung Electronics...
  • Page 111 Exploded Views and Parts List SEC CODE DESCRIPTION SPEC 6003-001256 SCREW-TAPTITE “BH,+,B,M4,L10,NI PLT,SWRCH18A” 6002-000319 SCREW-TAPPING “PH,+,2,M3,L8,ZPC(YEL),SM20C” 6003-000267 SCREW-TAPTITE “PWH,+,S,M3,L8,ZPC(YEL),SWRCH18” Samsung Electronics 5-33...
  • Page 112 Exploded Views and Parts List 5-34 Samsung Electronics...

  • Page 113: Block Diagrams

    3P X 2EA 33.6Kbps 600 / / 600 PAPER ATING UNICON TX : RX LINE1 DMA I/F PART I/F PART ADF OPTION EXTER NAL EXTERNAL PHONE LINE PHONE INTE RFACE INTERFACE CENTRONICS PART CABLE CCD MODULE USB CABLE Only SCX-5312F Samsung Electronics...
  • Page 114 11. D P 12. GN D_5 T EL LI N E SENSOR SWITC H 3. +24V 3. GND _5 13. RE CA LL 14. nE_DP 4. +24VS FOR LS U + 5V S C U T (ONLY SCX-5312F) Samsung Electronics...

  • Page 115: Connection Diagram

    Repair Manual Repair Manual Digital Laser MFP SF-835P / SF-830 Msys835P / Msys830 CONTENTS 1. Block Diagram 2. Connection Diagram 3. Circuit Description 4. Schematic Diagrams...

  • Page 117: Samsung Electronics

    This manual is made and described centering around circuit diagram and circuit description needed in the repair center in the form of appendix. Samsung Electronics Digital Printing CS Group Copyright (c) 2002. 02...
  • Page 118 BLOCK DIAGRAM 1. Block Diagram Repair Manual Samsung Electronics...
  • Page 119 8. nHOOK2 9. n RI NG _DET 7, 8. DGND 2. +5VS 10. +5V 11. DP 12. GND_5 T EL L IN E SW ITCH SF-830 3. +24V 1. +5V 13. RE CALL 14. nE_DP 4. +24VS SENSOR 2. S INAL...

  • Page 120: Circuit Description

    RA0 ~ RA15 PM-22 CLOCK DMAC UART (2 CH) (3 CH) OPE PANEL OSC.(Video) 45.3928 MHz INTERFACE JBIG OSC. Engine INTERFACE IC Comm. I/F 48 MHz (UNICON) LRAM:1296B CXRAM:256B HPVC RAM : 512B 512B+512B <Block Diagram> Repair Manual Samsung Electronics...
  • Page 121 Output Signal KS32C61200 nRESET 29F800B nRESET • POWER ON/OFF DETECT VCC RISING/FALLING 4.5°≠4.6V RESET TIME (Td) 1.48~1.52ms • Td=(Ct*V sensing)/I charge (...Ct=33µF, Is=100µA) 2) TIMING CHART and SENSE Threahold Voltage 3.6V RESET Output Output Undefined Undefined Repair Manual Samsung Electronics...
  • Page 122 PHBTT8, 8 mA DATA19 " CPU Data Bus 19 " DATA20 " CPU Data Bus 20 " DATA21 " CPU Data Bus 21 " Vddi 3.3 V DATA22 Input CPU Data Bus 22 PHBTT8, 8 mA Repair Manual Samsung Electronics...
  • Page 123 TAP Controller Data In " TAP Controller Clock " TAP Controller Data Out PHOB4 AVdd Vcca Analog 3.3 V AVin[0] Analog Input 0 PICA AVin[1] Analog Input 1 " AVss Vssa Analog Gnd AVssAVin[2] Analog Input 2 PICA Repair Manual Samsung Electronics...
  • Page 124 Parallel Port Data PHBTT8, 8 mA " Parallel Port Data " nSTROBE Data Strobe PHIL, ST Vsso 5 V Gnd RxD1 / CTin[2] Uart 1 Rx Data PHIL, ST TxD1 Uart 1 Tx Data PHOB4, 4 mA Repair Manual Samsung Electronics...
  • Page 125 PHIL, ST nCMSG / PWM[2] Com. Busy / PWM [2] PHOB4, 4 mA Vddo nDRAMCAS0 DRAM Cas Strobe 0 PHOB8, 8 mA nDRAMCAS1 " DRAM Cas Strobe 1 " nDRAMCAS2 " DRAM Cas Strobe 2 " Repair Manual Samsung Electronics...
  • Page 126 3.3 V DRAMD9 Input DRAM Data Bus 9 PHBTT12, 12mA DRAMD10 " DRAM Data Bus 10 " DRAMD11 " DRAM Data Bus 11 " Vssp 5 V Gnd DRAMD12 Input DRAM Data Bus 12 PHBTT12, 12mA Vddp Repair Manual Samsung Electronics...
  • Page 127 DRAM Data Bus 31 " Vsso 5 V Gnd DRAMA0 DRAM Address Bus 0 PHOB8, 8 mA DRAMA1 " DRAM Address Bus 1 " DRAMA2 " DRAM Address Bus 2 " DRAMA3 " DRAM Address Bus 3 " Repair Manual Samsung Electronics...
  • Page 128 Address Bus 5 for ROM PHOB8, 8 mA ADDR6 " Address Bus 6 for ROM " ADDR7 " Address Bus 7 for ROM " Vssi 3.3 V Gnd ADDR8 Address Bus 8 for ROM PHOB8, 8 mA Repair Manual Samsung Electronics...
  • Page 129 3.3 V Gnd for PLL Charge Pump Out : FILTER POBA Capacitor is connected CPU Test Mode : CPUTEST PHILD50, ST Tied to Gnd nRESET Reset Input PHIL, ST nRSTOUT Reset Output PHOB8, 8 mA Repair Manual 3-10 Samsung Electronics...
  • Page 130 LED will scroll and the PROGRAM DOWNLOAD MODE will be activated. In this mode, you can download the pro- gram through the parallel port. MCLK A23-2 nROMCS ACC+1 SETUP HOLD <Write Timing Diagram for Two Beat Burst Cycle> Repair Manual 3-11 Samsung Electronics...
  • Page 131 DRAMOE*SIGNAL, when reading. You can expand up to 64MBYTE of DRAM in this sys- tem. 0xf f f f f f f bank3 Next bank3 Bas e bank2 Next bank2 Bas e bank1 Next bank1 Bas e bank0 Next bank0 Bas e 0x0000000 <DRAM Bank Configuration> Repair Manual 3-12 Samsung Electronics...
  • Page 132 While configuring the software, you must set the timing register of SFR considering the clock speed and the DRAM spec. dat a wait dat a wait addr 5Mhz MCLK nRAS nCAS column address column address r ow address DRAMA dat a 0 dat a 1 DRAMD Tcas Tcas <FPM Read Timing Diagram> Repair Manual 3-13 Samsung Electronics...
  • Page 133 Tcas <FPM Write Timing Diagram> Tcas clock type cycle # register cycle # register cycle # register 40 ns FPM 50 ns FPM 58Mhz 60 ns FPM 70 ns FPM <SFR Values Example for FPM> Repair Manual 3-14 Samsung Electronics...
  • Page 134 While configuring the software, you must set the timing register of SFR considering the clock speed and the DRAM spec. addr wait dat a dat a wait 5Mhz MCLK nRAS nCAS column r ow address column DRAMA data 0 data 1 DRAMD Tcas Tcas <EDO Read Timing Diagram> Repair Manual 3-15 Samsung Electronics...
  • Page 135 Tcas <FPM Write Timing Diagram> Tcas clock type cycle # register cycle # register cycle # register 40 ns EDO 50 ns EDO 58Mhz 60 ns EDO 70 ns EDO <SFR Values Example for FPM> Repair Manual 3-16 Samsung Electronics...
  • Page 136 D0-D7 are 8-bit data buses. RS0-RS4 signals to select the register in modem chips. /RS and /WR signals control READ and WRITE respectively. /IRQ is a signal for modem interrupt. Transmission speed of FM336 is supported up to 33.6k. The modem is connected to LINE through transformer directly. < FAX TRANSCEIVER > Repair Manual 3-17 Samsung Electronics...
  • Page 137 CIRCUIT DESCRIPTION 3-2-10 PM-22 (JBIG COMPRESS & DECOMPRESS) 3-2-10-1 Block Diagram Repair Manual 3-18 Samsung Electronics...

  • Page 138: Specifications

    * VDDBIAS is connected to the system’s 5.0V supply to provide 5V tolerance on I/O signal pins (including all inputs, outputs, and bidirectionals). in systems where 3.3V signaling only is used, connect VDDBIAS to a 3.3V supply. Repair Manual 3-19 Samsung Electronics...

  • Page 139: Electrical Specifications

    Table presents the PM-22’s DC characteristics. IMPORTANT : CLOCK pin timing is measured at TTL levels, not CMOS. The system CLOCK driver must be configured cor- rectly in order to ensure that duty cycle and Vil specifications are met. Repair Manual 3-20 Samsung Electronics...
  • Page 140 Output Data ODACK Output Data Strobe ODREQ Output Data Requst OFRDY Output Buffer Ready OSTRB Output Buffer Strobe PLL_BYP Phase Locked Loop Bypass RA[15:0] RAM Address RAMOE RAM Output Enable < Pin Classification and Loading > Repair Manual 3-21 Samsung Electronics...
  • Page 141 • OD : Open drain output • P : Power supply Combinations indicate bidirectional pins. An “H” in the Resistor column indicates the pad has an internal pull-up resistor. A tilde (~) indicates no internal resistor. Repair Manual 3-22 Samsung Electronics...
  • Page 142 Interfac e CPU I/F CIP3 SRAM Mod ule Regis ter 1 024 x 8 n CS n RD n WR A [ 5 : 0] D [ 15 : 0] n XDREQ n XDACK <Block Diagram> Repair Manual 3-23 Samsung Electronics...

  • Page 143: Key Features

    Scaling of input image (1) Scaling factor • Horizontal direction : 25 ~ 800% by 1% unit • Vertical direction : 25 ~ 100% by 1% unit (2) Scaling data memory : 2x8Kx8bits = 128Kbits (internal) Repair Manual 3-24 Samsung Electronics...
  • Page 144 ADD R- BUS ADDR- BUS Ana lo g Si gn al PI_TG Scanner PI1 , PI2 Tx_A, Tx_B, DAT A- BUS DAT A- BUS n Tx_A, nTx_B CIP3 D OCU MENT IMAGE <External interface with CIP3> Repair Manual 3-25 Samsung Electronics...
  • Page 145 Contro l Mo to r nTX_A, B Con tro l TX_EN1, EN2 Interface CPU I/F CIP3 SRAM Mod ule Register 1 024 x 8 nRD nWR A[5:0] D [15:0] nXDREQ nXDACK <Block diagram of CIP3> Repair Manual 3-26 Samsung Electronics...
  • Page 146 PC are all processed through this part. PPD( 7: 0) DATA BUSY nSTROBE nACK <Compatibility Hardware Handshaking Timing> Repair Manual 3-27 Samsung Electronics...
  • Page 147 6. Peripheral sets nACK high. This is the edge that should be used to clock the data into the host 7. Host sets nAUTOFD low to indicate that it is ready for the next byte 8. The cycle repeats, but this time it is a command cycle because BUSY is low Repair Manual 3-28 Samsung Electronics...

  • Page 148: Usb Interface

    • Three Receive Endpoints (2*32 and 1*64 bytes) • 8-bit parallel interface with two selectable modes : non-multiplexed • multiplexed (Intel compatible) • DMA support for parallel interface • MICROWIRE/PLUS Interface • 28-pin SO package Repair Manual 3-29 Samsung Electronics...
  • Page 149 CIRCUIT DESCRIPTION DATA_IN 0x00 DATA_IN DATA_OUT DATA_OUT D[7:0] ADDRESS ADDR 0x3F REGISTERFILE <Non-Multiplexed Mode Interface Block Diagram> D[7:0] input vvrte Address Read Data Burst Read Data <Non-Multiplexed Mode Basic Timing Diagram> Repair Manual 3-30 Samsung Electronics...
  • Page 150 ‘nHSYNC’ signal (pulse) and the CPU forms the left margin of the image using this signal (horizontal synchronous signal). Repair Manual 3-31 Samsung Electronics...

  • Page 151: High Voltage Power Supply

    It is the process to change the afterimage on the OPC drum surface formed by LSU into vis- ible image by the toner particles. While the supply roller energized with -450V by HVPS and the developer roller energized with -300V rotate in the same Repair Manual 3-32 Samsung Electronics...
  • Page 152 3) Bias Output (Enable) Unit: DEV (Development Voltage)/Supply(Supply Voltage)/BLADE(Blade Voltage) 4) Transfer ‘+’ Output (Enable) Unit: THV(+)(Transfer High Voltage(+)) 5) Transfer ‘-’ Output (Enable) Unit: THV(-)(Transfer High Voltage(-)) 6) Switching Unit 7) Feedback Unit 8) Regulation Unit 9) Output Unit Repair Manual 3-33 Samsung Electronics...
  • Page 153 <Transfer Output Unit Block Diagram> MHV-PWM REGULATION TRANS SWITCHING CIRCUIT CONTROL UNIT CONTROL UNIT FEEDBACK <MHV Output unit Block Diagram> BIAS-PWM BLADE REGULATION SWITCHING CONTROL UNIT TRANS CIRCUIT CONTROL UNIT SUPPLY FEEDBACK <BIAS Output Unit Block Diagram> Repair Manual 3-34 Samsung Electronics...
  • Page 154 Q501 2KV 680 BIAS-PWM A708-Y ZD501 CON03-#24 100V U103-A R519 R509 R510 7407 2.2K R503 U101-B C501 R504 R512 100KF KA324 56.6KF MGR1/2W 12MF C504 R516 R511 R502 C502 MGR1/2W 50K R507 1W 3 12KF Repair Manual 3-35 Samsung Electronics...
  • Page 155 R310 Q303 2.2K D526 Q302 A708Y R308 VR302 TEV-READ R302 R303 R304 R306 100KF C305 R314 R311 389KF 26.1KF KA324 333Z 100KF 1.7K C302 C303 D302 R305 1N4148 R301 10KF 470K C304 500V103Z VR301 C301 Repair Manual 3-36 Samsung Electronics...
  • Page 156 CPU, the transfer voltage output will differ according to the preset transfer table. The changes in transfer output required by each load is controlled by PWM-DUTY. Repair Manual 3-37 Samsung Electronics...
  • Page 157 • LCD drive signals are sent from U1 P2-x pin group, P3-4~P3-6 pins. • Machine status LED drive signals are sent from U1 LED 1~ LED 8. RESONATOR 7.37 MHz UART2 16 X 2 Line MICOM Connector Reset Z8601 Key Matrix LEDs <OPE BLOCK DIAGRAM> Repair Manual 3-38 Samsung Electronics...

  • Page 158: Liu Pba

    Base is regulated by On/Off switch and turns to DP dial signal with a COUPLER. • CTR 21 does not have telephone capability but has the number 3 and 4 Line Connection. No DP condition but possibility to get approval only on DTMF Dial based terminal. Repair Manual 3-39 Samsung Electronics...
  • Page 159 Must not ignite or overload protection 23) generate smoke shutdown withing generate smoke Refer to load short and when output shorted the range of when output shorted overload protection 23) for 5 sec. 3.5A~6.5A for 5 sec. Repair Manual 3-40 Samsung Electronics...
  • Page 160 3-8-4. FIXED TEMPERATURE CONTROL 3-8-4-1. Fixed Lamp Control Circui AC Power Live AC Neutral L501 R503 Zero crossing circuit Logic Unit Fuser On C502 THY501 R505 SMPS Unit R502 U501 CON502 DC Power <Fixed Lamp Control Circuit> Repair Manual 3-41 Samsung Electronics...
  • Page 161 When triac commutes off-line, the volt- age of both ends of triac will have the same voltage as the line voltage. Inductive I <Inductive Circuit> Repair Manual 3-42 Samsung Electronics...
  • Page 162 SCHEMATIC DIAGRAMS SCHEMATIC DIAGRAMS 4. Schematic Diagrams 4-1 Main Circuit Diagram (1/17) Repair Manual Repair Manual Samsung Electronics Samsung Electronics...
  • Page 163 SCHEMATIC DIAGRAMS Main Circuit Diagram (2/17) Repair Manual Samsung Electronics...
  • Page 164 SCHEMATIC DIAGRAMS Main Circuit Diagram (3/17) Repair Manual Samsung Electronics...
  • Page 165 SCHEMATIC DIAGRAMS Main Circuit Diagram (4/17) Repair Manual Samsung Electronics...
  • Page 166 SCHEMATIC DIAGRAMS Main Circuit Diagram (5/17) Repair Manual Samsung Electronics...
  • Page 167 SCHEMATIC DIAGRAMS Main Circuit Diagram (6/17) Repair Manual Samsung Electronics...
  • Page 168 SCHEMATIC DIAGRAMS Main Circuit Diagram (7/17) Repair Manual Samsung Electronics...
  • Page 169 SCHEMATIC DIAGRAMS Main Circuit Diagram (8/17) Repair Manual Samsung Electronics...
  • Page 170 SCHEMATIC DIAGRAMS Main Circuit Diagram (9/17) Repair Manual Samsung Electronics...
  • Page 171 SCHEMATIC DIAGRAMS Main Circuit Diagram (10/17) Repair Manual 4-10 Samsung Electronics...
  • Page 172 SCHEMATIC DIAGRAMS Main Circuit Diagram (11/17) Repair Manual 4-11 Samsung Electronics...
  • Page 173 SCHEMATIC DIAGRAMS Main Circuit Diagram (12/17) Repair Manual 4-12 Samsung Electronics...
  • Page 174 SCHEMATIC DIAGRAMS Main Circuit Diagram (13/17) Repair Manual 4-13 Samsung Electronics...
  • Page 175 SCHEMATIC DIAGRAMS Main Circuit Diagram (14/17) Repair Manual 4-14 Samsung Electronics...
  • Page 176 SCHEMATIC DIAGRAMS Main Circuit Diagram (15/17) Repair Manual 4-15 Samsung Electronics...
  • Page 177 SCHEMATIC DIAGRAMS Main Circuit Diagram (16/17) Repair Manual 4-16 Samsung Electronics...
  • Page 178 SCHEMATIC DIAGRAMS Main Circuit Diagram (17/17) Repair Manual 4-17 Samsung Electronics...
  • Page 179 4-2 LIU Circuit Diagram 1K, 2W 10, 1%,0.25W *: for EU PTT 0.25W ARS1-3 : OPTION (BLK) 180K, 1/4W /250V (BRW) 120K /250V 1K,1% 2.74K, 1% (RED) (ORG) 0.22UF/16V /16V /16V 600:600 (BLU) (YEL) (GRN) 15nF/400V Repair Manual 4-18 Samsung Electronics...
  • Page 180 SCHEMATIC DIAGRAMS 4-3 OPE Circuit Diagram Repair Manual 4-19 Samsung Electronics...
  • Page 181 SCHEMATIC DIAGRAMS 4-4 Scan Circuit Diagram Repair Manual 4-20 Samsung Electronics...
  • Page 182 SCHEMATIC DIAGRAMS 4-5 Sensor Circuit Diagram VCC_DD VCC_DD D_DET D_SCAN RPI-441C1 D_DET 35303-0450 3711-003410 DGND DGND VCC_DD 35303-0350 D_SCAN DGND DOCUMENT DETECT B D Repair Manual 4-21 Samsung Electronics...
  • Page 183 R503 U101-B 150V R504 100KF KA324 C501 R512 86.6KF MGR1/2W 12MF R516 R502 C502 R511 C504 MGR1/2W 50K R507 D501 1W 3 12KF 1N4148 R517 MGR1/2W 15MF 24VS U102 KA7818 C102 C103 C104 35V 47uF Repair Manual 4-22 Samsung Electronics...
  • Page 184 R314 R308 2.2KF R311 THV(-) 100KF Q302 THV-READ A708-Y R302 R303 C305 R306 CON03-#20 R316 U101-D 100KF R304 26.1KF KA324 200KF C303 R317 R305 9.53KF C302 R301 D302 470K 1N4148 C304 500V 103 INDEX C301 Repair Manual 4-23 Samsung Electronics...
  • Page 185 SB560 1/8W680J 1/8W120J C-MY50V104 1W47J 1/8W18KJ PT1 EER3435 10V3300uF 1W0.35J 50V102J 1/8W680J 50V471J +24V ZD1 ZD-500MW30V ZD-500MW6.2V 1/8W1KJ RD1/8W01.5KJ 1/8W5.6KJ 50V683J +24S 1/8W1KJ 1/8W10KJ FUSER_ON 1.2KJ PC-123 1/8W68J 1/8W220J 1/8W220J C1008 1/8W680J C-MY50V104 PC-123 C-MY50V104 Repair Manual 4-24 Samsung Electronics...
  • Page 186 SB560 1/8W680J 1/8W120J C-MY50V104 1W47J 1/8W18KJ PT1 EER3435 10V3300uF 1W1J 50V102J 1/8W680J 50V471J +24V ZD1 ZD-500MW30V ZD-500MW6.2V 1/8W1KJ RD1/8W01.5KJ 1/8W5.6KJ 50V683J +24S 1/8W1KJ 1/8W10KJ FUSER_ON 1.2KJ PC-123 1/8W68J 1/8W220J 1/8W220J C1008 1/8W680J C-MY50V104 PC-123 C-MY50V104 Repair Manual 4-25 Samsung Electronics...
  • Page 187 SCHEMATIC DIAGRAMS 4-8 PTL Circuit Diagram Repair Manual 4-26 Samsung Electronics...
  • Page 188 SCHEMATIC DIAGRAMS 4-10 Toner_Rx Circuit Diagram Repair Manual 4-27 Samsung Electronics...
  • Page 189 SCHEMATIC DIAGRAMS 4-11 Toner_Tx Circuit Diagram Repair Manual 4-28 Samsung Electronics...

This manual is also suitable for:

Sf-835p

Table of Contents