DIGITAL LASER MFP SCX-4216F Series SCX-4216F SCX-4116 SCX-4016 SERVICE DIGITAL LASER MFP Manual CONTENTS 1. Precautions 2. Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Parts List 6. Block Diagram 7.
Precautions 1. Precautions The cautions in the below are items needed to keep in mind when maintaining and servicing. Please read carefully and keep the contents in mind to prevent accidents while servicing and to prevent that the machine gets damage. 1.1 Warning for safety (1) Request the service by qualified service person. The service for this machine must be performed by a service person who took the additional education of this field.
Precautions 1.2 Caution for safety Caution 1>> Precaution related noxious material There is a possibility to get harm from noxious material if you ignore the below information. (1) Do not touch the damaged LCD. This MFP has LCD in control panel. Noxious liquid to human body exists in the LCD. If it is got into mouth, immediately see a doctor. If it is got into eyes or on skin, immediately wash off over 15 minutes with flowing water and see a doctor.
Precautions Caution 3>>Precaution related handling the machine. If you ignore this information, you could get harm and machine could be damaged. (1) Do not install it on the different levels, or slanted floor. Please confirm whether it is balanced or not after installation. If it is unbalanced, an accident can be happened due to the machine fell over. (2) Be careful not to insert a finger or hair in the rotating unit.
Precautions 1.3 ESD Precautions Certain semiconductor devices can be easily damaged by static electricity. Such components are commonly called “Electrostatically Sensitive (ES) Devices”, or ESDs. Examples of typical ESDs are: integrated circuits, some field effect transistors, and semiconductor “chip” components. The techniques outlined below should be followed to help reduce the incidence of component damage caused by static electricity.
Precautions 1.4 Tool for Troubleshooting The following tools are recommended for safe and smooth troubleshooting described in this service manual. 1 2 3 DVM(Digital Volt Meter) Standard: Indicates more than 3 digits. 4 Pinset 5 Cotton Swab 6 Cleaning Equipments a IPA (Isopropyl Alcohol)dry cloth or a soft stuff neutral detergent. 7 Software(Driver) installation CD ROM Standard: For general home use, small type. Standard : For general home use, for medical service.
Precautions 1.5 Acronyms and Abbreviations The table in the below explains abbreviations used in this service manual. The contents of this service manual are declared with abbreviations in many parts. Please refer to the table.
Specifications 2. Specifications Specfications are correct at the time of printing. Product specifications are suject to change witth noticae. See below for product sspecifications. 2.
Specifications 2.3 Scan Specification Items Halftone(Gray Scale) Scan Method Scan Speed ADF (seconds/scan) (SCX-4216F/4116) Descriptions 256 level Color CCD 25 sec (TBD) ITU-T #1 Chart Text/Mixed Mode : B/W Letter & 300dpi. (USB) Photo Mode : Gray Letter & 300dpi. (USB) 72 sec (TBD) Resolution Halftone Scan Width Platen (SCX-4016) Optical Enhanced Widh Length(Adf) Length(Platen) Scan-to Remarks 23 sec (TBD) 23 sec (TBD) 600*600 dpi 4800*4800 dpi 256 level Max.216mm (8.5") Max. 356mm (14.0") Max.
Specifications 2.
Specifications 2.6 Fax Specification (SCX-4216F Only) Items Compatibility Communication System Modem Speed TX Speed Compression ECM Resolution Std Fine S.Fine Scan Speed(ADF) Std Fine S.
Specifications 2.
Specifications 2.9 Accessory Items Quick setup guide Owner's manual S/W CD ROM Toner Cartridge Drum Unit Power Cable Telephone Jack In/Out Guide Printer Cable Descriptions Remarks Yes Yes(Electronic) 1 CD for User Guide and MFP S/W 1 EA N/A 1 EA 1 EA No No 2.
3. Disassembly and Reassembly 3-1 General Precautions on Disassembly When you disassemble and reassemble components, you must use extreme caution. The close proximity of cables to moving parts makes proper routing a must. If components are removed, any cables disturbed by the procedure must be restored as close as possible to their original positions. Before removing any component from the machine, note the cable routing that will be affected.
Disassembly and Reassembly 3-2 Rear Cover 1. Remove the four screws securing the Rear Cover. 3. Unlatch the (Cover Face Up) securing the Rear cover, as shown below.Then lift the (Cover Face Up) out. Cover Face Up 2. Remove the Rear Cover from the Frame Ass'y and Scanner Ass'y.
Disassembly and Reassembly 3-3 Engine Shield Ass'y 1. Before you remove the Engine Shield Ass'y, you should remove: - Rear Cover (see page 3-2) 2. Remove the ten screws securing the Engine Shield Ass'y and remove it. Then unplug the all connectors from the Main PBA and SMPS. Engine Shield Ass’y 3-4 Main PBA 1. Before you remove the Main PBA, you should remove: - Rear Cover (see page 3-2) - Engine Shield Ass,y (see page 3-3) Main PBA 2.
Disassembly and Reassembly 3-5 SMPS 1. Before you remove the SMPS, you should remove: - Rear Cover (see page 3-2) - Engine Shield Ass,y (see page 3-3) 2. Unplug the one connector and remove the one screw securing the Inlet Ass'y 4. Unplug the one connector and remove the three screws securing the SMPS. Then lift the SMPS out, as shown below. SMPS 3. Unlatch the Inlet Ass'y and remove it, as shown below.
Disassembly and Reassembly 3-6 Fuser Ass'y 1. Before you remove the Fuser Ass'y, you should remove: - Rear Cover (see page 3-2) - Engine Shield Ass,y (see page 3-3) 4. Remove the two screws securing the Halogen Lamp. Then take out the Halogen Lamp from the Heat Heat Roller 2. Unplug the two connectors from the Main PBA and SMPS, as shown below. Then remove the four screws securing the Fuser Ass'y and remove it. Fuser Ass'y Halogen Lamp 5. Remove the one screw securing the Idle Gear and remove it.
Disassembly and Reassembly 7. Unwrap the Thermister Harness, as shown below. 8. Remove the one screw securing the Thermister and remove it, as shown below. Thermister Harness Thermister 3-7 Side Cover (LH, RH) 1. Before you remove the Side Cover (LH, RH), you should remove: - Rear Cover (see page 3-2) 3. Lift the LH and RH Side Cover out in the direction of arrow. Side Cover(LH) 2. Unplug the FPC Cables and Speaker Harness, as shown below.
Disassembly and Reassembly 3-8 Scanner Ass'y 1. Before you remove the Scanner Ass'y, you should remove: - Rear Cover (see page 3-2) - Side Cover (LH, RH) (see page 3-6) 4. Remove the ADF Motor connector from the Scanner PBA, as shown below. ADF Motor Connector 2. Remove the two screws securing the Scanner Ass'y, as shown below. 3. Pull up the Scanner Ass'y, as shown below. 5. Pull the Platen Cover upward and remove it..
Disassembly and Reassembly 6. Unplug the two connectors and CCD Cable from the Scanner PBA. 9. Lift the OPE Unit out. Then unplug the two connectors from the OPE Unit and remove it. OPE Unit 7. Remove the two screws securing the Scanner PBA and remove it. 10. Remove the two screws securing the Window Cover. Scanner PBA 8. Remove the three screws securing the Scan Lower Ass'y. 11. Unlatch the Window Cover securing the Scan Lower Ass'y Then pull the Window Cover upward and remove it..
Disassembly and Reassembly 12. Remove the CCD Cable, as shown below. 14. Pull up the CCD Shaft and take out the Scanner Module. CCD Cable Scanner Module CCD Shaft Belt Holder 13. Push the Belt Holder and take out the Belt, as shown below. 15. Remove the Reduction Gear and Idle Gear, as shown below.
Disassembly and Reassembly 16. Remove the two screws and take out the Motor Bracket. 18. Unlatch the Open Sensor and remove it, as shown below. Motor Bracket Open Sensor 17. Unplug the one connector from the Open Sensor Ass'y.
Disassembly and Reassembly 3-9 ADF Motor Ass'y 1. Before you remove the ADF Motor Ass'y, you should remove: - Rear Cover (see page 3-2) - Side Cover (LH, RH) (see page 3-6) - Scanner Ass’y (see page 3-7) 2. Remove the two screws securing the ADF Ass'y and remove it. 4. Pull the White Bush, then rotate it until reaches the slot, as shown below. Then lift the Pick up Ass'y out. White Bush Pick up Ass'y ADF Ass'y 5. Remove the two screws securing the Upper Cover and remove it, as shown below.
Disassembly and Reassembly 3-10 OPE Unit 1. Before you remove the OPE Unit, you should remove: - Rear Cover (see page 3-2) - Side Cover (LH, RH) (see page 3-6) - Scanner Ass’y (see page 3-7) 4. Remove the Key Pad from the OPE Cover. 2. Remove the six screws securing the OPE PBA from the OPE Cover. OPE Cover Key Pad OPE PBA 3. Remove the Contact Rubber from the OPE Cover.
Disassembly and Reassembly 3-11 Exit Roller 1. Before you remove the Exit Roller, you should remove: - Rear Cover (see page 3-2) - Scanner Ass’y (see page 3-7) - Side Cover (LH, RH) (see page 3-6) 3. Remove the Exit Gear and Bearing, as shown below. Exit Gear Bearing Exit Roller 2. Remove the two screws securing the Cover-Rear Upper, as shown below.
Disassembly and Reassembly 3-12 Front Cover 1. Take out the Cassette. 3. Unlatch the Front Cover securing the Frame Ass'y. Then remove the Front Cover, as shown below. Cassette 2. OPen the Front Cover.
Disassembly and Reassembly 3-13 Middle Cover 1. Before you remove the Middle Cover, you should remove: - Rear Cover (see page 3-2) - Side Cover (LH, RH) (see page 3-6) - Scanner Ass’y (see page 3-7) - Front Cover (see page 3-14) 3. Unlatch the Top Cover Securing the Frame Ass'y, using a proper tool as shown below. Then lift the Top Cover out. Top Cover 2. Remove the six screws securing the Top Cover and remove it. 3-14 Fan 1.
Disassembly and Reassembly 3-15 LSU 1. Before you remove the LSU, you should remove: - Rear Cover (see page 3-2) - Side Cover (LH, RH) (see page 3-6) - Scanner Ass’y (see page 3-7) - Front Cover (see page 3-14) - Middle Cover (see page 3-15) 3. Remove the four screws securing the LSU and remove it. LSU 2. Unplug the two connectors. 3-16 Drive Ass'y 1. Before you remove the Drive Ass'y, you should remove: - Rear Cover (see page 3-2) - Side Cover (LH) (see page 3-6) 3.
Disassembly and Reassembly 3-17 Transfer Ass'y 1. Before you remove the Transfer Ass'y, you should remove: - Rear Cover (see page 3-2) - Side Cover (LH, RH) (see page 3-6) - Scanner Ass’y (see page 3-7) - Front Cover (see page 3-14) - Middle Cover (see page 3-15) 3. Unplug the PTL Holder connector, then remove the PTL Holder and PTL Lens, as shown below. PTL Holder PTL Lens 2. Remove the three screws securing the Transfer Earth and remove it. Transfer Earth 4. Unlatch the Bush and remove it.
Disassembly and Reassembly 3-18 Feed Ass'y 1. Before you remove the Feed Ass'y, you should remove: - Rear Cover (see page 3-2) - Side Cover (LH, RH) (see page 3-6) - Scanner Ass’y (see page 3-7) - Front Cover (see page 3-14) - Middle Cover (see page 3-15) 4. Remove the three screws securing the Feed Bracket and remove it. Feed Bracket 2. Remove the two screws securing the Guide Paper and remove it. Guide paper 5. Remove the Idle Gear and Feed Gear2. Feed Gear2 3.
Disassembly and Reassembly 6. Remove the Feed Gear1 Ass'y. 7. Pull up the Feed Roller and Feed Roller1.
Disassembly and Reassembly 3-19 Pick up Ass'y & Solenoid 1. Before you remove the Pick up Ass'y, you should remove: - Rear Cover (see page 3-2) - Engine Shield Ass,y (see page 3-3) - Side Cover (LH, RH) (see page 3-6) - Scanner Ass’y (see page 3-7) - Front Cover (see page 3-14) - Middle Cover (see page 3-15) - Drive Ass’y (see page 3-16) 4. Take out the Pick up Ass'y, as shown below. 2. Remove the three screws securing the Feed Bracket and remove it. Bush Feed Bracket 1 2 Pick up Ass'y 5.
Troubleshooting 4. Troubleshooting 4.1 Clearing Jams 4.1.1 Clearing Document Jams(For SCX-4114F only) 4.1.1 Input Misfeed 4.1.1.1 Input Misfeed 4.1.1.2 Exit Misfeed 4.1.1.3 RollerMisfeed 4.1.2 Clearing Paper Jams 4.1.2.1 JAM0 (In the Paper Feed Area) 4.1.2.2 JAM1 (In the Paper Exit Area) 4.1.3 JAM2 (In the Fuser Area of Around the Toner Cartridge Area) 4.2 Consumables and Replacement Parts 4-3 Abnormal Image Printing and Defective Roller 4.4 Error Messages 4.10 Printing Quality Problems 4.10.
Troubleshooting 4.1 Clearing Jams 4.1.1 Clearing Document Jams(For SCX-4114F only) If a document jams while it is feeding through the ADF (Automatic Document Feeder),“DOCUMENT JAM ” appears on the display. 4.1.1.1 Input Misfeed 1) Open the ADF top cover. 3) Close the ADF top cover.Then load the documents back into the ADF. NOTE : To prevent document jams,use the document glass for the thick,thin or mixed documents. 2) Pull the document gently to the right and out of the ADF.
Troubleshooting 4.1.1.2 Exit Misfeed 1) Open the document cover and turn the release knob to remove the misfed documents from the exit area. 2) Close the document cover.Then load the documents back into the ADF. 4.1.1.3 RollerMisfeed 1) Open the document cover. 2) Turn the release knob so that you can easily seize the misfed document,and remove the document from the ADF or the feed area by carefully pulling it rightwards by using both hands. 3) Close the document cover.
Troubleshooting 4.1.2 Clearing Paper Jams If paper jams occur,“PAPER JAM ” appears on the display..Refer to the table below to locate and clear the paper jam. PAPER JAM 0 PAPER JAM 1 PAPER JAM 2 BYPASS JAM : In the paper feed area : In the paper exit area : In the fuser area or around the toner cartridge : In the Bypass tray Follow the steps below to clear a jam.To avoid tearing the paper, pull the jammed paper out gently and slowly. 4.1.2.
Troubleshooting 4.1.2.2 JAM1 (In the Paper Exit Area) 1) Open and close the front cover.The jammed paper automatically exits the machine. If the paper does not exit,continue to Step 2. 2) Gently pull the paper out of the front output tray. 3) If there is any resistance when you pull the paper or the paper is not seen in the front output tray,open the rear cover. 4) Remove the jammed paper by gently pulling it straight out.. 5) Close the rear cover. 6) Open and close the front cover to resume printing.
Troubleshooting 4.1.3 JAM2 (In the Fuser Area of Around the Toner Cartridge Area) NOTE : The fuser area is hot.Take care when removing paper from the machine. 1) Open the front cover and remove the toner cartridge. 2) Remove the jammed paper by gently pulling it straight out. 3) Replace the toner cartridge and close the front cover. Printing automatically resumes.
Troubleshooting 4.1.2.4 BYPASS JAM (In the Bypass Tray) “BYPASS JAM ” appears on the display when the machine does not detect paper in the Bypass tray due to no paper or improper paper loading when you try to print using the Bypass tray. “BYPASS JAM ” also may occur when the paper is not properly fed into the machine through the Bypass tray.In that case,pull the paper out of the machine. 4.1.2.5 Tips for Avoiding Paper Jams By selecting the correct paper types,most paper jams can be avoided.
Troubleshooting 4.2 Consumables and Replacement Parts The cycle period outlined below is a general guideline for maintenance. The example list is for an average usage of 50 transmitted and received documents per day. Environmental conditions and actual use will vary these factors. The cycle period given below is for reference only.
Troubleshooting 4-3 Abnormal Image Printing and Defective Roller If abnormal image prints periodically, check the parts shown below. LSU Fuser Toner Cartridge CR OPC PR SR PTL MP Sensor FR K/R TR DR PIC 1 2 3 4 5 6 7 OPC Drum Charge Roller Supply Roller Transfer Roller Heat Roller Pressure Roller Developing Roller No Roller Abnormal image period Kind of abnormal image 1 OPC Drum 75.5mm White spot, Block spot 2 Charge Roller 37.7mm Black spot 3 Supply Roller 37.
Troubleshooting Paper Paht Scanner Part ADF-Roller Pickup-Roller Doc-Paper(30Sheets) ADF-Idle Roller Sensor-Regi Sensor-Doc Exit-Roller Feed-Roller Sensor-Scan Sensor-Scan White-Sheet CCD-Module Engine Part 3 4 LSU 7 Toner Cartridge CR OPC PR TR 5 DR 2 SR PTL 6 FR 8 K/R Fuser PIC 1 4-10 Samsung Electronics
Troubleshooting 4.4 Error Messages The display on the front panel shows the messages to indicate the printer ’s status or errors.Refer to the tables below to understand the message ’s meaning and clear the problem if necessary.Messages and their meanings are listed in alphabetical order,with numbered messages following. BYPASS JAM Meaning : When the machine detected the non-feeding from BYPASS Tray. Solution : Open the side Cover and clear the jam. COMM.
Troubleshooting NO CARTRIDGE Meaning : When the machine detected the toner cartridge has not been installed. Solution : Install the Cartridge. NO. NOT ASSIGNED Meaning : The speed dial location you tried to use has no number assigned to it. Solution : Dial the number manually with the keypad, or assign the number. NO PAPER [ADD PAPER] Meaning : The recording paper has run out. The printer system stops. Solution : Load the recording paper in the paper feeder.
Troubleshooting 4.5 User Mode The table in the bellow explains the possible setting functions by user. The details about the ways to use are explained in the user manual. In the service manual, the items are about the possible set-up by user. 4-5-1 SCX-4216F Function SYSTEM DATA SYSTEM ID Item Content CASSETTE PAPER LETTER / A4 / LEGAL BYPASS PAPER LETTER / A4 / LEGAL MESSAGE CONF.
Troubleshooting Function Item Content TX CONFIRM SCHEDULE JOB PHONE BOOK SYSTEM LIST TX JOURNAL RX JOURNAL HELP LIST HELP LIST 4-5-2 SCX-4116 Function SYSTEM DATA Item Content CASSETTE PAPER LETTER / A4 / LEGAL BYPASS PAPER LETTER / A4 / LEGAL POWER SAVE ON / OFF SELECT LANGUAGE ENG/GER/FRE/ITA/SPA/POR/DUT USB MODE FAST / SLOW HELP LIST HELP LIST PRINTOUT MAINTENANCE CLEAN DRUM NEW DRUM REPORTS SYSTEM DATA HELP LIST 4-14 HELP LIST Samsung Electronics
Troubleshooting 4.6 Tech Mode 4.6.1 How to Enter Service Mode In service mode (tech) mode, the technician can check the machine and perform various test to isolate the cause of a malfunction. To enter the Tech mode, press MENU, #, 1, 9, 3, 4 in sequence, and the LCD briefly displays ‘T’, the machine has entered service (tech) mode. While in Tech mode, the machine still performs all normal operations.
Troubleshooting 4.6.2 Setting-up System in Tech Mode 4.6.2.
Troubleshooting Function REPORTS Item Content MSG. CONFIRM SCHEDULE JOB PHONE BOOK SYSTEM DATA TRANSMISSION RECEPTION HELP LIST PROTOCOL ERROR CODE 4.6.2.
Troubleshooting 4.6.3 SYSTEM DATA DIALING MODE Select the dialing mode according to the user's line status. TONE: Electrical type of dial PULSE: Mechanical type of dial SILENCE TIME In ANS/FAX mode, after a call is picked up by the answering machine, the machine monitors the line. If a period of silence is detected on the line at any time, the call will be treated as a fax message and the machine begins receiving. Silence detection time is selectable between limited (about 12 seconds) and unlimited time.
Troubleshooting 4.6.4 MEMORY CLEAR CLEAR ALL MEMORY The function resets the system as its very first condition as setting in at the factory. This function is needed to operate to reset the system to the initial value when the product is abnormally operated or malfunction. All the values are returned to the default values, and all the information, which set in by user, will be erased. < Method > 1. 2. 3. 4. Select the [MEMORY CLEAR] at the TECH MODE. Push the ENTER button. Select you country.
Troubleshooting 4.7 Engine Test Mode The Engine Tests Mode supplies useful functions to check conducting condition of engine. It tests the conducting condition of each device and displays the result of the test at the LCD. It is classified in 6. items (0~5), and the functions of items are as bellows. 4-5-1 To enter the Engine Test Mode Press MENU, #, 1, service (tech) mode. 9, 3, 1 in sequence, and the LCD briefly displays ‘T’, the machine has entered Remark No . Sub No .
Troubleshooting 4.8 Paper Feeding Problems 4.8.1 Wrong Print Position • Description Printing begins at wrong position on the paper. Check and Cause Solution Wrong sense time caused by defective feed sensor actuator. Replace the defective actuator 4.8.2 JAM 0 1. Paper is not exited from the cassette. 2. Jam-0 occurs if the paper feeds into the printer. • Description Check and Cause LSU Fuser EXIT Sensor Toner Cartridge CR OPC PR SR PTL FR Feed Sensor 1.
Troubleshooting 4.8.3 JAM 1 1. Recording paper is jammed in front of or inside the fuser. 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed. • Description Check and Cause Solution LSU Fuser EXIT Sensor Toner Cartridge CR OPC PR DR SR PTL FR Feed Sensor MP Sensor K/R TR PIC Empty Sensor 1. If the recording paper is jammed in front of or inside the fuser. (Perform DCU diagnostic code of) 1. Replace the SMPS. 2.
Troubleshooting 4.8.5 Multi-Feeding • Description Multiple sheets of paper are fed at once. Check and Cause Solution 1. Solenoid malfunction(the solenoid does not work properly): Perform DCU mode : solenoid check 06. 1. Replace the solenoid if necessary. 2. Pad-Friction is contaminated with foreign matter.(oil...) 2. Clean the pad friction with soft clothe dampened with IPA(Isopropyl Alcohol). 3. The face of paper is blended. 3. Use the smooth paper. 4.8.
Troubleshooting 4.8.7 Paper rolled in the OPC • Description Paper is rolled up in the OPC. Check and Cause Solution 1. Paper is too much thin. 1. Recommend to use normal paper. 2. The face of paper is curled. 2. How to remove the rolled paper in the OPC. • Remove the paper while turning the OPC against the ongoing direction. • Clean fingerprints on the OPC softly with soft cloth dampened with IPA(Isopropyl Alcohol) or tissue. 4.8.
Troubleshooting 4.9 Printing Problems (malfunction) 4.9.1 Defective Operation (LCD WINDOW • Description ) Display Strange characters are displayed on the OPE Panel and buttons are not operated. Check and Cause Solution 1. Clear the memory. 1. Try again after clearing the memory. 2. Check if OPE HARNESS is connected to the Main Board correctly. 2. After confirming that OPE HARNESS is connected to the Main Board correctly, if it is so, then replace the OPE ASS'Y and Main Board in sequence. 4.9.
Troubleshooting 4.9.3 Not function of the gear of the fuser due to melting away • Description The motor breaks away from its place due to gear melting away. Check and Cause DCU Mode : Check if the Error States '60' '62' '68' occur. Check the operation of Fuser Erasing Lamp On/Off with the Error Code Check -10-. Solution 1. Replace the Fuser. 2. Replace the Main Control board. 4.9.4 Paper Empty • Description The paper lamp on the operator panel is on even when paper is loaded in the cassette.
Troubleshooting 4.9.6 Cover Open • Description The ERROR lamp is on even when the print cover is closed. Check and Cause Solution 1. The hook lever in the top cover may be defective. 1. Replace the hook lever, if defective. 2. Check the connector (CN1 : Engine B’d↔HVPS) and circuit of the cover switch department in the Main Control board. Perform DCU mode : If Error state '64' occurs, Check the related codes of the Cover Open Error. 2. Check the insertion of the Cover Open S/W Connect. 3.
Troubleshooting 4.9.8 Defective motor operation • Description Main motor is not driving when printing, and paper does not feed into the printer, resulting 'Jam 0'. Check and Cause Solution 1. Motor harness or sub PCB may be defective. 1. Check the motor harness, replace it, if defective. 2. Perform DCU diagnostic code 00 and Check the motor operation. 2. Replace the SMPS, if necessary. 4.9.9 No Power • Description When system power is turned on, all lamps on the operator panel do not come on.
Troubleshooting 4.9.10 Vertical Line Getting Curved • Description When printing, vertical line gets curved. Check and Cause 1. If the supply of +24v is unstable in the Main Control board linking with LSU, check drive by DCU Mode: LSU Check -05- LSU Motor on. Solution 1. Replace LSU. 2. Replace the Main Control board.
Troubleshooting 4.10 Printing Quality Problems 4.10.1 Vertical Black Line and Band • Description Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. Straight thin black vertical line occurs in the printing. 2. Dark black vertical band occur in the printing. Check and Cause Solution 1. Damaged develop roller in the Developer. Deformed Doctor-blade or cleaningblade. 1. If causes 1 and 2 occur in the developer cartridge, replace the developer and try to print out. 2.
Troubleshooting 4.10.3 Horizontal Black Band • Description Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 1. Dark or blurry horizontal stripes occur in the printing periodically. (They may not occur periodically.) Check and Cause Solution 1. Bad contacts of the voltage terminals to developer. 1. Clean each voltage terminal of the Charge, Supply, Develop and Transfer roller. (remove the toner particles and paper particles) 2. The rollers of developer may be stained.
Troubleshooting 4.10.5 Light Image • Description Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer The printed image is light, with no ghost. Check and Cause Solution 1. Develop roller is stained when the toner of developer cartridge is almost consumed. 1. Check if the Toner Save mode is off. 2. Ambient temperature is below than 10°C. 2. No 1 : Replace the developer cartridge and try to print out. 3.
Troubleshooting 4.10.7 Uneven Density • Description Print density is uneven between left and right. Check and Cause Solution 1. The pressure force on the left and right springs of the transfer roller is not even, the springs are damaged, the transfer roller is improperly installed, or the transfer roller bushing or holder is damaged. 1. Replace both the left and right Spring Holder. 2. The life of the Developer has expired. 2.
Troubleshooting 4.10.9 Ghost (1) • Description 95.6 mm Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Ghost occurs at 96 mm intervals of the OPC drum in the whole printing. Check and Cause Solution 1. Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the electrode of the Developer. 1. Clean the terminals when contaminated by toner particles. 2.
Troubleshooting 4.10.11 Ghost (3) • Description Check and Cause Digital Digital Printer Printer Solution 1. The life of the developer may be expired. 1. Occur in the developer cartridge, replace the developer and try to print out. 2. The abnormal voltage and bad contact of the terminal of the supply roller 2. Check the approved voltage of the supply roller and contact of the terminal and adjust if necessary. 47.
Troubleshooting 4.10.14 Satins on Back of Page • Description Check and Cause Solution 1. Transfer roller is contaminated. 1. Perform the OPC Cleaning Mode Print 2 or 3 times. Run Self-Test to remove the contamination of the transfer roller. 2. Pressure roller is contaminated. 2. Replace the transfer roller if contaminated severely. 56.1 mm Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer The back of the page is stained at 56.1 mm intervals. 3.
Troubleshooting 4.11 Fax & PhoneProblems 4.11.1 No Dial Tone • Description While on-hook button is pressed, there is no dial tone. Check and Cause Solution 1. Check if the telephone line cord is connected to TEL LINE correctly. 1. If the telephone cord is normal but there is no dial tone, then try to replace the LIU B'D. 2. Check if it makes CLICK sound while OHD key is pressed. 2. If you cannot hear the OHD CLICK sound, the OPE ASS'Y may be defective. Try to replace the OPE ASS'Y. 3.
Troubleshooting 4.11.3 Defective FAX FORWARD/RECEIVE • Description The FAX FORWARD/RECEIVE is not functioning. Check and Cause 1. Check if you can catch a dial tone by pressing OHD. 2. Check if you can catch a RECEIVE tone while MODEM testing in the TECH mode. Solution 1. If the MODEM testing is normal and there is no dial tone, then try to replace the LIU B'D. 2. If the MODEM testing is abnormal, try to replace the Main B'D. 4.11.
Troubleshooting 4.11.5 Defective FAX RECEIVE (1) • Description FORWARD is functioning, but RECEIVE is not functioning or the received data are broken. Check and Cause Solution 1.Check if there is NOISE when pressing on-hook dial. 2.Check the RECEIVE condition by trying to receive a FAX at another fax machine. 1.If it makes NOISE while on-hooking, replace or repair the telephone line. 4.11.6 Defective FAX RECEIVE (2) • Description The received data are lengthened or cut in the printing.
Troubleshooting 4.11.8 Defective FAX RECEIVE (4) • Description The received data is reduced by more than 50% in the printing. Check and Cause Check the FAX status of the forwarding side. Solution After checking the data of the forwarding side, correct the FAX of the forwarding side. 4.11.9 Defective Automatic Receiving • Description The automatic receiving function is not working. Check and Cause Solution 1. Check if the RECEIVE mode is TEL MODE or FAX MODE. 1.
Troubleshooting 4.12 Copy Problems 4.12.1 White Copy • Description Blank page is printed out when receiving. Check and Cause Solution 1. Check if the recording papers are inserted reversely. 1. Insert the paper with the copy side to be faced down. 2. Perform the Adjust Scanner in the TECH MODE. (See page ?? 2. In case the output waveform is abnormal in the Adjust Scanner, replace the CCD Module, while replace the Main B'D in normal. 4.12.
Troubleshooting 4.12.3 Vertical Black Line • Description Vertical black lines occur in the printing. Check and Cause 1. Check if there are substance materials on CCD Modual. 2. Perform a Adjust Scanner to check if the waveform is normal. (See page ??) Solution 1. If there are some stains on the surface of CIS, wipe them off with alcohol (IPA). 2. If the CIS waveform is abnormal, replace the CIS ASS'Y. 3. Clean the nozzle and confirm again. 3. Clean the cartridge nozzle. 4.
Troubleshooting 4.13 Scanning Problems 4.13.1 Defective PC Scan • Description The PC Scan is not functioning at all. Check and Cause Solution 1. Check the Cable (USB or Parallel) 1. If the PC and the cable are not connected properly, reconnect it. 2. Check if the driver is installed properly. 2. After confirming that it is proper by performing a PC printing test related to driver setup, if it is not so, reinstall it. (Refer to User's Manual.) 3. Check if copy function operation normally. 3.
Troubleshooting 4.14 Toner Cartridge Service It is not guaranteed for the default caused by using other toner cartridge other than the cartridge supplied by the Samsung Electronic or caused by non-licensed refill production. 4.14.1 Precautions on Safe-keeping of Toner Cartridge Excessive exposure to direct light more than a few minutes may cause damage to the cartridge. 4.14.
Troubleshooting 4.14.4 Signs and Measures at Poor toner cartridge Fault Light image and partially blank image (The life is ended.) Signs Cause & Check • The printed image is light or unclean and untidy. 1. If the image is light or unclean and untidy printed image Shake the developer and then recheck. • Some part of the (1)NG: Check the weight of the image is not printdeveloper ed. (2)OK: Lack of toner, so the life is nearly closed. • Periodically a noise 2.
Troubleshooting Fault White Black spot Signs Cause & Check 1. If light or dark periodical black dots occur, this is because the developer rollers are contaminated with foreign substance or paper particles. • White spots occur in the image period- (1)35mm interval : Charged roller ically. (2)75mm interval : OPC cycle • Light or dark black dots on the image occur periodically. 2.
Troubleshooting Fault Ghost & Image Contamination Signs Cause & Check Solution • The printed image is too light or dark, or partially contaminated black. 1. The printed image is too light or dark, or partially contaminated black. (1)Check whether foreign substance or toner are stuck to the terminal(point of contact) of the developer. (2)Check whether the terminal assembly is normal. 1. All of 1, 2, 3 above (1)Remove toner and foreign substances adhered to the contact point of the developer.
5. Exploded Views and Parts List 5-1 Main Assembly Exploded view ............................................................................... page(5-2) 5-2 ADF Assembly Exploded view ................................................................................ page(5-5) 5-3 PLATEN COVER Assembly Exploded view ........................................................... page(5-8 5-4 OPE Assembly Exploded view ................................................................................
1-3 1-5 1-6 1-1 1-4 1-2 0 5-2 10-3 10-5 10-4 1 10-6 20 10-1 10-2 9-1 9-3 9-4 9 10 9-2 9-5 9-6 9-7 9-8 9-11 9-14 9-13 9-12 9-9 12 9-7 9-10 9-9 11 8 7-4 3 12-2 12-1 4 7-2 16 7-3 5 14 19(LIU PBA) 7-1 14-1 7 2 17 15 18 13 14-2 Exploded Views and Parts List 5-1 Main Assembly Exploded view
Exploded Views and Parts List < Main Assembly Parts List > SA.
Exploded Views and Parts List < Main Unit Parts List > SA.
Exploded Views and Parts List 5-2 ADF Unit Exploded view 5 5-1 0 5-2 6 6-3 5-2 6-1 6-2 1-3-4 1 1-3-1 1-3 1-3-2 4 1-3-3 1-1 1-2 3 3-11 2-2 3-4 3-3 3-5 2-3 3-6 3-7 3-8 3-1 3-7 2-2 3-9 3-15 3-8 3-14 3-10 2-4 3-13 2-15 2-6 3-2 2-7 2-9 2-5 2-8 2-15 2-16 2-1 2 2-15 2-12 2-13 2-10 2-11 2-14 5-5
Exploded Views and Parts List < ADF Unit Parts List > SA.
Exploded Views and Parts List < ADF Unit Parts List > SA.
Exploded Views and Parts List 5-3 COVER PLATEN Exploded view 0 3-2 3-3 3-4 3 3-1 8 9 10 7 7 1 11 5 6 2 5-8
Exploded Views and Parts List < COVER PLATEN Unit Parts List > SA.
Exploded Views and Parts List 5-4 OPE Unit Exploded view 0 1 16 2 3 5 7 8 4 6 9 10 11 12 13 14 15 5-10
Exploded Views and Parts List < OPE Unit Parts List > SA.
Exploded Views and Parts List 5-5 Scanner Assembly Exploded view 1-3 1-3-1 1-3-2 1-3-3 1-3-4 0 1 1-1 1-2 2 2-16 2-11 2-2 2-10 2-13 2-4 2-15-7 2-15-4 2-3 2-15-6 2-15-3 2-14 2-15-5 2-6 2-15-1 2-15 2-15-2 2-9 2-17 2-7 2-8 2-5 2-1 CONNECTION_PBA FLAT CABLE 5-12
Exploded Views and Parts List < Scanner Assembly Parts List > SA.
5-14 47-2 50 47-1 46 48 47-4 51 47-3 47 48 45-1 45-2 43 27-1 45-3 45 44 27-2 25 6 42 0 27-3 26 41 16 40 39 27-5 27-4 33 24 21 27-6 27-4 20 19 37 38 35 27 23 5 25 52 6 6 7 53 22 18 5 17 36 29 13 15 37 38 14 32 31 1 10 49 3 28 30 11 16 34 Transfer Roller 8 9 12 4 2 Exploded Views and Parts List 5-6 Frame Ass’y Exploded view
Exploded Views and Parts List < Frame Ass’y Parts List > SA.
Exploded Views and Parts List < Frame Ass’y Parts List > SA.
Exploded Views and Parts List 5-7 RX Drive Ass’y Exploded view 0 7 6 8 1 9 HARNESS-MOTOR 2 4 5 3 4 5 < RX Drive Ass’y Parts List > SA.
Exploded Views and Parts List 5-8 Fuser Ass’y Exploded view 0 10 9 8 7 6 33 4 11 5 12 3 2 32 1 32 17 13 16 15 14 18 22 19 23 20 24 25 21 31 27 30 26 29 28 5-18
Exploded Views and Parts List < Fuser Ass’y Parts List > SA.
Exploded Views and Parts List 5-9 Cassette Ass’y Exploded view 0 12 14 13 4 3 16 17 18 5 2 6 7 5 8 10 9 11 1 15 5-20
Exploded Views and Parts List < Cassette Ass’yu Parts List > SA.
Exploded Views and Parts List 5-10 Screw NO DESCRIPTION SEC CODE SPEC S1 6001-000485 SCREW-MACHINE PH,+,M2.6,L4,ZPC(YEL),SM20 S2 6002-000101 SCREW-TAPPING BH,+,2,M3,L10,ZPC(BLK),SM2 S3 6002-000175 SCREW-TAPPING PWH,+,2,M3,L8,ZPC(YEL),SM2 S4 6002-000308 SCREW-TAPPING PH,+,2,M2.6,L6,ZPC(YEL),SM S5 6002-001065 SCREW-TAPPING PWH,+,2,M2.
Block Diagram 6. Block Diagram AC 110V/220V MAIN USB 1. 1 S3C46Q0X IEEE1284 26P P1284 LCD (16X2) OPE FLATEN COVER 3P DMAC HT48C50 SEN SO R FEED DEV T HV OPC GND THERM. FL AS H M E M ORY (1M B ,2MB) COVER S/W AC PWR +24V HVPS PVC LCD/LED DRIVER UARTX2 KEY SCAN MEMORY I/F CACHE (4K) SENSOR DRIVER IMAGE PROCESSOR FLATEN MOTOR DRIVER (TEA3718X2) SEN SOR SENSO R 1 TU I/O I/F 2P 2P E X TE RN A L GPI O 74HCT273 x 2 74ACT245 x 1 6P CONN. +5V/ +12V/ +24V USB 1.
Block Diagram 7. Connection Diagram 1. +24V 2. NC 3. CONTROL +24VX CUT (LSU, SOL, MOTOR) DC FAN 110V fo r US A 220V fo r E U F .G AC IN -LE T & P OW ER S WITCH 1. HOT 2. Neutral CN3 CN1 SMPS / HVPS B’d MP S ENS OR E X IT S ENS OR P _E M PTY SE NS OR FEE D S EN S OR 1.O UT 1A 2.O UT 1B 3.O UT 2A 4.O UT 2B 1. LS U_C LK 2. nLR EA D Y 3. nP M O TO R 4. DG ND 5. +2 4VS 6. nH SY NC 7. +5V 8. DG ND 9. DG ND 10. V DO 11.
ELECTRONICS This service manual is also provided on the web, the ITSELF system f Samsung Electronics Co., Ltd. http://itself.sec.samsung.co.kr © Samsung Electronics Co.,Ltd. February. 2003 Printed in Korea. VERSION NO. : 1.
