Manuale d’uso / di manutenzione del prodotto SCX-4200 del fabbricante Samsung
Vai alla pagina of 145
Manual SERVICE DIGIT AL LASER MFP SCX-4200 Series SCX-4200/XAX Basic Model : SCX-4200 DIGIT AL LASER MFP The keynote of Product [ Key Features ] - 18ppm Print/Copy Speed - 600dpi Print/Copy Resolution.
ELECTRONICS Samsung Electronics Co.,Ltd. November . 2005 Printed in Korea. VERSION NO . : 1.00 CODE : JC-0155 C * This service manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable international and/or domestic law .
Contents 1. Precautions 1.1 Safety W arning 1-1 1.2 Caution for safety 1-2 1.3 ESD Precautions 1-5 1.4 Super Capacitor or Lithium Battery Precautions 1-5 2. Product Specification 2.1 Product Overview 2-1 2.2 Specifications 2-2 3. System Overview 3.1 System Outline 3-1 3.
Continued 5. Disassembly and Reassembly 5.1 General Precautions on Disassembly 5-1 5.2 Front Cover 5-2 5.3 Rear Cover 5-3 5.4 DC Fan 5-4 5.5 Right Side Cover 5-5 5.6 Left Side Cover 5-6 5.7 Scanner Unit 5-7 5.8 OPE Unit 5-10 5.9 Middle Cover Unit 5-1 1 5.
Continued 7. Block diagram 7.1 System Block Diagram 7-1 8. Exploded V iews & Parts List 8.1 Exploded Views and Parts List 8-1 9. Connection Diagram 9.1 SCX-4200 Connection Diagram 9-1 10. Schematic Diagram 10.1 Main Board 10-1 10.2 OPE Circuit Diagram 10-8 10.
Precautions Samsung Electronics Service Manual 1-1 1 1 1. Precautions In order to prevent accidents and to prevent damage to the equipment please read the precautions listed below carefully before servicing the printer and follow them closely . 1.1 Safety W arning (1) Only to be serviced by appropriately qualified service engineers.
Samsung Electronics Service Manual Precautions 1-2 1.2 Caution for safety 1.2.1 T oxic material This product contains toxic materials that could cause illness if ingested. (1) If the LCD control panel is damaged it is possible for the liquid inside to leak.
Precautions Samsung Electronics Service Manual 1-3 1.2.3 Handling Precautions The following instructions are for your own personal safety , to avoid injury and so as not to damage the printer (1) Ensure the printer is installed on a level surface, capable of supporting its weight.
Samsung Electronics Service Manual Precautions 1-4 1.2.5 Disregarding this warning may cause bodily injury (1) Be careful with the high temperature part. The fuser unit works at a high temperature. Use caution when working on the printer . Wait for the fuser to cool down before disassembly .
Precautions Samsung Electronics Service Manual 1-5 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.
Product Specifications Samsung Electronics Service Manual 2-1 2 2 Item Descriptions Remark Basic Model SCX-4200/SEE Series Model SCX-4200 Market of Sailes Persnal user MFP(Low Price for small work Group.) Specification 18ppm(Ltr. 19ppm), Chorus2(CPU : Use 16/32 Bit RISC Processor) 1K(initial), 3K(sailes) USB 2.
Samsung Electronics Service Manual Product Specifications 2-2 2.2 Specifications Specfications are correct at the time of printing. Product specifications are subject to change without notice. See below for product specifications. 2.2.1 General Specifications Items SCX-4200 Remarks General Major Features Copier,Print,Scan Size (W*D*H) 16.
Product Specifications Samsung Electronics Service Manual 2-3 2.2.3 Scan Specification 2.2.2 Print Specification Items SCX-4200 Remarks PRINT Print Speed 19ppm/Ltr, 18ppm/A4 Print Method Laser Print Language SPL Power Save Yes(5/10/15/30/45min.
Samsung Electronics Service Manual Product Specifications 2-4 2.2.4 Copy Specification Items SCX-4200 Remarks COPY Copy Quality Selection or Text 600x300dpi Original Image type Text/Photo 600x300dpi selection Mode Photo 600x600dpi for Platen FCOT Stand by Approx.
Product Specifications Samsung Electronics Service Manual 2-5 2.2.5 Paper Handiling Specification Items SCX-4200 Remarks Paper Handling Capacity( 20lbs) Main Tray 250sheets Bypass(MP Tray) Single Shee.
Samsung Electronics Service Manual Product Specifications 2-6 2.2.6 Other Specification Items SCX-4200 Remarks Software O.S Win 2.x No *Dos(No) Win 95 No Win 98&WinME Yes Win NT 4.
System Overview Samsung Electronics Service Manual 3-1 3 3 3. System Overview This chapter describes the functions and operating principles of the main components.
Samsung Electronics Service Manual System Overview 3-2 3.1.2 Sensor.
System Overview Samsung Electronics Service Manual 3-3 3.1.3 Control Panel.
Samsung Electronics Service Manual System Overview 3-4 3.1.4 System Layout SCAN P ART Pa per Inpu t (C assette) Pa per Input (Ma nual F eeder) Pa per Out ( Fa ce Down) Pa per Em pty Sensor (M anual) P.
System Overview Samsung Electronics Service Manual 3-5 3.1.4.1 Paper Feed Mechanism The printer has a universal cassette which automatically loads paper and a manual feed which supplies paper single sheet at a time.
Samsung Electronics Service Manual System Overview 3-6 4) Pressure roller The Pressure Roller mounted under the heat roller , it is made of a silicon resin, and the surface of the roller is tubed with T eflon. This ensures that toner does not adhere to the roller surface.
System Overview Samsung Electronics Service Manual 3-7 3.1.4.6 LSU (Laser Scanner Unit) This is the core of the laser printer . It converts the video data received from the computer into an electrostatic latent image on the surface of the OPC drum.
Samsung Electronics Service Manual System Overview 3-8 3.1.4.7 T oner Cartridge The toner cartridge is an integral unit containing the OPC unit and toner unit.
System Overview Samsung Electronics Service Manual 3-9 3.2 H/W Structure and Descriptions SCX-4200 is roughly made up Main Control part, Operation Panel part, Scanner part, PC interface part and Power part. Each Part is separated Module which focus on common and standard design of dif ferent kind products.
Samsung Electronics Service Manual System Overview 3-10 3) SDRAM : is used as Page Buffer in Printing, Scan Buffer in Scanning and System Working Memory Area - Size: 8Mbyte - 3.
System Overview Samsung Electronics Service Manual 3-11 3.2.2 Scan Part 1) Pictorial signal input part: output signal of CIS passes through Bypass Cap change to ADC at IP Main and defined signal between AFE and IP Main processes the Image signal.
Samsung Electronics Service Manual System Overview 3-12 3.2.4 Printer Section Printer is consisted of the Engine parts and F/W , and said engine parts is consisted of the mechanical parts comprising F.
System Overview Samsung Electronics Service Manual 3-13 Boundary Scan ARM7TDM I TAP Controller General Purpose I/O Bus Arbiter Write Buffer ARM7TDMI CPU Core Cache 4K Byte CPU Unit System Timer (4-ch).
Samsung Electronics Service Manual System Overview 3-14 3.2.5 Copier Part 1) Copy Mode: Black and White 2) Scanner T ype: CIS with Flatbed/Platen 3) Maximum Size of Original: Platen: 216 x 297 mm (max.
System Overview Samsung Electronics Service Manual 3-15 3.2.6.1 HVPS (High V oltage Power Supply) T ransfer High V oltage (THV+) - Input V oltage : 24 V DC 15% - Output V oltage : MAX +5.0KV 5 %,(Duty V ariable, no loading ) - Input contrast of the V oltage stability degree : under 3 % (fluctuating input 21.
3.2.6.2 SMPS (Switching Mode Power Supply) It is the power source of entire system. It is assembled by an independent module and completely common use with SCX-4200, so it is same characteristic with SCX-4200.
System Overview Samsung Electronics Service Manual 3-17 Consumption Power Length of Power Cord : 1830 50mm Power Switch: Use Feature - Insulating Resistance: 100 or more (at DC 500V) - Insulating revisiting pressure: Must be no problem within 1 min. (at 1,000V -L V / 1,500V ac-HV ,10mA) - Leaking Current: under 3.
Samsung Electronics Service Manual System Overview 3-18 3.2.7 FUSER AC POWER CONTROL Fuser(HEA T LAMP) gets heat from AC power . The A V power controls the switch with the T riac, a semiconductor switch. The ‘ ON/OFF control ’ is operated when the gate of the T riac is turned on/off by Phototriac (insulting part).
System Overview Samsung Electronics Service Manual 3-19 3.3 S/W Structure and Descriptions 3.3.1 Architecture The following diagram shows the Engine Control System.
Samsung Electronics Service Manual System Overview 3-20 3.3.2 S/W Overview Engine Control F/W is executed every 10msec by the timer interrupt of the main system. And it consists of 4 control modules. Power on Initial, Engine Print Processing Control, Print Interface Control and Engine Unit Control Module.
System Overview Samsung Electronics Service Manual 3-21 3.3.2.4 Engine Unit Control Module Engine Unit Control Module consists of 4 sub-functions. The first function is a fixing unit control function.
Samsung Electronics Service Manual System Overview 3-22 3.3.3 Functional Requirements of Fixing Unit (Fuser) Handling The fixing control depends on its fixing mechanism. And according to a paper type, a paper size, an elapsed printed time, or the number of accumulated Printing Pages, a fixing control is different.
System Overview Samsung Electronics Service Manual 3-23 3.3.3.6 T emperature in the Stand-By mode At the stand-by mode, the engine controls the temperature of the fixing unit for maintaining a specified temperature for reducing printing time of the first page.
Samsung Electronics Service Manual System Overview 3-24 3.3.4 Functional Requirements for LSU Control LSU receives the image data from PVC and make the latent image on OPC surface. It uses the single beam . The Eiger has many dif ferent registers for LSU.
System Overview Samsung Electronics Service Manual 3-25 3.3.5 Functional Requirements of Environment Recognition It is intended to gain the index to indicate the inner environment in a present machine. The engine is divided into several levels with the index.
Samsung Electronics Service Manual System Overview 3-26 3.3.6 Functional Requirements of HVPS Control The engine supplies the developer unit with high voltage through the HVPS unit in order to form the image on the paper fed through the paper pass.
System Overview Samsung Electronics Service Manual 3-27 3.3.8 Functional Requirements of T oner Cartridge 3.3.8.1 Installation T oner Cartridge The engine of the Eiger doesn ’ t check it but the main f/w checks it. The method to check whether it is new or old is the crum.
Samsung Electronics Service Manual System Overview 3-28 3.3.13 Checking Paper jam Paper Jam happens when a paper is not fed to required position by a mechanical obstacle. The paper jam is decided by checking the states of sensors while moving the paper .
System Overview Samsung Electronics Service Manual 3-29 3.3.15 T emperature 3.3.15.1 Open Heat Error When the engine operates the warm-up process, if the temperature of the fixing unit is not higher than a specified temperature, the engine defines Open Heat Error .
Samsung Electronics Service Manual System Overview 3-30 3.3.16 LSU Error The errors related to LSU are as follows: By LReady: When the printing is started, the engine drives the polygon motor of LSU.
Alignment and Adjustmens Samsung Electronics Service Manual 4-1 4 4 4. Alignment and Adjustments This chapter describes some of the main service procedures including: Using the EDC mode; Clearing paper jam and test patterns. Much of this chapter is also included in the user's guide.
Samsung Electronics Service Manual Alignment and Adjustmens 4-2 4.2 Paper Path SCAN P ART Pa per I nput (Ca ssette) Pa per Input (Manua l Feed er) Pa per Out (Fa ce Down) Pa per Em pty Sensor (Ma nu a.
Alignment and Adjustmens Samsung Electronics Service Manual 4-3 4.3 Clearing Paper Jams When a paper jam occurs, "Paper Jam" appears on the display . Refer to the table below to locate and clear the paper jam. T o avoid tearing the paper , pull the jammed paper out gently and slowly .
Samsung Electronics Service Manual Alignment and Adjustmens 4-4 1 Open and close the front cover . The jammed paper is automatically ejected from the machine. If the paper is not ejected continue to step 2. 2 Gently pull the paper out of the front output tray .
Alignment and Adjustmens Samsung Electronics Service Manual 4-5 NOTE: The fuser area is hot. T ake care when removing paper from the machine. 1 Open the front cover and lightly push down on the cartridge then pull to take it out. 2 Remove the jammed paper by gently pulling it straight out.
Samsung Electronics Service Manual Alignment and Adjustmens 4-6 4.4 Printing the System Data List Y our machine can print the system data report which shows the status of the user-selectable options. Y ou may print this list to confirm your changes after changing any settings.
Alignment and Adjustmens Samsung Electronics Service Manual 4-7 COMPONENT REPLACEMENT CYCLE Pick-up Roller 50,000 Pages Paepr Feeding Roller(Friction Pad) 50,000 Pages T ransfer Roller 50,000 Pages Fuser 50,000 Pages T oner Cartridge Original 1,000 Pages Replacement 3,000 Pages 4.
Samsung Electronics Service Manual Alignment and Adjustmens 4-8 4.9 Periodic Defective Image If a mark or other printing defect occurs at regular intervals down the page it may be caused by a damaged or contaminated roller . Measure the repetition interval and refer to the table below to identify the roller concerned.
Alignment and Adjustmens Samsung Electronics Service Manual 4-9 4.10 Error Message Display Meaning Suggested solutions Door Open The front cover is not securely latched. Close the cover until it locks into place. Hsync Error A problem has occurred in the LSU (Laser Scanning Unit).
2nd level 3rd level 4th level Default Value Descriptions Upper Level -- Upper Level Left/Ri g ht && Enter -- ඖ 16 Character Left/Ri g ht Enter Menu 1.
;ΒΔΙΚΟΖ͑͑ͺ͵ͽͶ͑ΕΤΚΡΝΒΪ ڭڠڜڟڴ ٻٻٻڌڋڋڀٻٻٻٻٻٻٻٻٻګډڌ ͵ͺͶʹ΅͑ͼͶΊ ڌډڞڪګڴٻڟڤڭڠڞگٻڦڠڴ notice ڤۉٻۀڼھۃٻڧڞڟٻڿۄێۋۇڼ۔ٻ ڞ.
Disassembly and Reassembly Service Manual 5-1 Samsung Electronics 5 5 5. Disassembly and Reassembly 5.1 General Precautions on Disassembly When you disassemble and reassemble compo- nents, you must use extreme caution. The close proximity of cables to moving parts makes proper routing a must.
Service Manual Disassembly and Reassembly 5-2 Samsung Electronics 5.2 Front Cover 1. T ake the Cassette out of the printer . 2. Open the Front Cover . 3. T o remove the Front Cover , first pull the part below the right side of the Front Cover with a light pressure to the direction of arrow and then remove the Front Cover , as shown below .
Disassembly and Reassembly Service Manual 5-3 Samsung Electronics 5.3 Rear Cove 1. Remove the four screws securing the Rear Cover , as shown below . 2. T o remove the Rear Cover make sure the Power Switch doesn't get jammed to Rear Cover and then Unplug the one connector(DC Fan) from the Main PBA, as shown below .
Service Manual Disassembly and Reassembly 5-4 Samsung Electronics 5.4 DC Fan 1. Before you remove the DC Fan, you should remove: - Rear Cover (Refer to 5.3) 2. First release the harness from the Harness Holder and then remove the one screw securing the Harness Holder and remove it, as shown below .
Disassembly and Reassembly Service Manual 5-5 Samsung Electronics 5.5 Right Side Cover 1. Before you remove the Right Side Cover , you should remove: - Front Cover (Refer to 5.2) - Rear Cover (Refer to 5.3) 2. Remove the one screw at the front of the unit.
Service Manual Disassembly and Reassembly 5-6 Samsung Electronics 5.6 Left Side Cover 1. Before you remove the Left Side Cover , you should remove: - Front Cover (Refer to 5.2) - Rear Cover (Refer to 5.3) 2. Remove the one screw at the front of the unit.
Disassembly and Reassembly Service Manual 5-7 Samsung Electronics 5.7 Scanner Unit 1. Before you remove the Scanner Unit, you should remove: - Front Cover (Refer to 5.2) - Rear Cover (Refer to 5.3) - Right Side Cover (Refer to 5.5) - Left Side Cover (Refer to 5.
Service Manual Disassembly and Reassembly 5-8 Samsung Electronics 6. Remove the two screws securing the Scan Upper Unit. 7. Release the seven hooks securing the Scan Upper Unit to the Scan Lower Unit and remove it, as shown below . 8. Using the right hand to push the Idle Pulley from right to left, and the left hand to lift and remove the Belt.
Disassembly and Reassembly Service Manual 5-9 Samsung Electronics 1 1. T o remove Belt using a screw driver , remove the Belt Clip at the center of the Carriage and remove the Belt, as shown below . 12. T ake the CIS Shaft out of OPE Lower Unit and then remove the three screws securing the Scan Motor Ass'y and remove it.
Service Manual Disassembly and Reassembly 5-10 Samsung Electronics 5.8 OPE Unit 1. Lift the Platen Cover upward and remove it. 2. T o remove OPE Unit, first pull the part below the front of the OPE Unit with a light pressure to the direction of arrow .
Disassembly and Reassembly Service Manual 5-11 Samsung Electronics 5.9 Middle Cover Unit 1. Before you remove the Middle Cover Unit, you should remove: - Scanner Unit (Refer to 5.7) 2. Remove the four screws securing the Middle Cover Unit and remove it, as shown below .
Service Manual Disassembly and Reassembly 5-12 Samsung Electronics 5.10 Fuser 1. Before you remove the Fuser , you should remove: - Rear Cover (Refer to 5.3) 2. Unplug the two connectors from the Main PBA and SMPS, as shown below . 3. Remove the four screws securing the Fuser and remove it.
Disassembly and Reassembly Service Manual 5-13 Samsung Electronics 6. Remove the one screw securing the Gear RDCN(25/15) and remove it. 7. Remove the four screws and divide the Fuser into two parts. 8. Unwrap the Thermistor Harness, as shown below . 9.
Service Manual Disassembly and Reassembly 5-14 Samsung Electronics 5.1 1 Exit Roller 1. Before you remove the Exit Roller , you should remove: - Scanner Unit (Refer to 5.7) - Middle Cover Unit (Refer to 5.9) 2. Remove the Exit Gear and Bearing using a screw dri- ver at one end then remove the shaft and rollers, as shown below .
Disassembly and Reassembly Service Manual 5-15 Samsung Electronics 5.12 LSU 1. Before you remove the LSU, you should remove: - Scanner Unit (Refer to 5.7) - Middle Cover Unit (Refer to 5.9) 2. Remove the one screw securing the CAP LSU and remove it. 3.
5.14 Drive Ass'y 1. Before you remove the Drive Ass'y , you should remove: . Front Cover (Refer to 5.2) . Rear Cover (Refer to 5.3) . Left Side Cover (Refer to 5.
Disassembly and Reassembly Service Manual 5-17 Samsung Electronics 5.15 Engine Shield Ass'y 1. Before you remove the Engine Shield Ass'y , you should remove: - Scanner Unit (Refer to 5.7) - Fuser Connectors (Refer to 5.10.2) 2. Remove the eleven screws securing the Engine Shield Ass'y and unplug the all connectors.
Service Manual Disassembly and Reassembly 5-18 Samsung Electronics 5.17 SMPS 1. Before you remove the SMPS, you should remove: - Engine Shield Ass'y (Refer to 5.
Disassembly and Reassembly Service Manual 5-19 Samsung Electronics 5.18 CRUM PCB 1. Before you remove the CRUM PCB, you should remove: - LSU (Refer to 5.12) - Engine Shield Ass'y (Refer to 5.15) 2. Remove the four screws securing the CRUM PCB and remove it, as shown below .
Service Manual Disassembly and Reassembly 5-20 Samsung Electronics 5.19 T ransfer Roller 1. Before you remove the T ransfer Roller , you should remove: - Scanner Unit (Refer to 5.7) - Middle Cover Unit (Refer to 5.9) - LSU (Refer to 5.12) 2. Remove the three screws and take the T ransfer Earth out.
Disassembly and Reassembly Service Manual 5-21 Samsung Electronics 5.20 Feed Roller 1. Before you remove the Feed Roller , you should remove: - Middle Cover Unit (Refer to 5.9) - LSU (Refer to 5.12) - Drive Ass'y (Refer to 5.14) 2. Remove the two screws from the Guide Paper and take it out.
Service Manual Disassembly and Reassembly 5-22 Samsung Electronics 6. Remove the Feed Gear1 Ass'y , as shown below . 7. Pull the Feed Roller and Feed Roller1, as shown below .
Disassembly and Reassembly Service Manual 5-23 Samsung Electronics 5.21 Pick Up Roller & Solenoid 1. Before you remove the Pick Up Roller & Solenoid, you should remove: - Middle Cover Unit (Refer to 5.9) - LSU (Refer to 5.12) - Drive Ass'y (Refer to 5.
Service Manual Disassembly and Reassembly 5-24 Samsung Electronics.
T roubleshooting Samsung Electronics Service Manual 6-1 6 6 6. T roubleshooting 6.1 Printing Problems – Causes and Solutions 6.1.1 V ertical Black Lines and Bands • Description 1. Straight thin black vertical lines occur in the printing. 2. Dark black vertical bands occur in the printing.
Samsung Electronics Service Manual T roubleshooting 6-2 6.1.3 Horizontal Black Bands • Description 1. Dark or blurry horizontal stripes occur in the printing periodically . (These may occur at regular intervals down the page.) Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Solution 1.
T roubleshooting Samsung Electronics Service Manual 6-3 6.1.5 Light Image • Description The printed image is light, with no ghost. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Solution 1. T oner Save mode enabled 2.
Samsung Electronics Service Manual T roubleshooting 6-4 6.1.7 Uneven Density • Description Print density is uneven between left and right. Check and Cause Solution 1.
T roubleshooting Samsung Electronics Service Manual 6-5 6.1.9 Ghost (1) • Description Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 75.
Samsung Electronics Service Manual T roubleshooting 6-6 6.1.1 1 Ghost (3) • Description Ghost occurs at 64 mm intervals. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 64 mm Check and Cause Solution 1.
T roubleshooting Samsung Electronics Service Manual 6-7 6.1.14 Stains on Back of Page • Description The back of the page is stained at 45.3 or 75.3 mm intervals. Digital Digital Pri Digital Printer Digital Printer Digital Printer Check and Cause Solution 1.
Samsung Electronics Service Manual T roubleshooting 6-8 6.2.1 White Copy • Description Blank page is printed out when copying. 6.2 Copy Problems 6.2.2 Black Copy • Description Black page is printed out when Copying. Check and Cause Solution 1. Check for CIS problem on the Main PBA.
T roubleshooting Samsung Electronics Service Manual 6-9 6.2.3 Abnormal noise • Description There is noise from the Platen when copying. Check and Cause Solution 1.
Samsung Electronics Service Manual T roubleshooting 6-10 6.3 Paper Feed problems – Causes and Solutions 6.3.1 Wrong Print Position • Description Printing begins at wrong position on the paper . Check and Cause Solution Wrong sensor timing caused by defective feed sensor actuator .
T roubleshooting Samsung Electronics Service Manual 6-11 6.3.4 JAM 2 • Description 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.
Samsung Electronics Service Manual T roubleshooting 6-12 6.3.5 Multi-Feeding • Description Multiple sheets of paper are fed at once. Check and Cause Solution 1. Check that the paper size guides are set correctly (cassette and MPF tray). 2. Solenoid malfunction (the solenoid does not work properly).
T roubleshooting Samsung Electronics Service Manual 6-13 6.3.7 Paper rolled on the OPC Drum • Description Paper is rolled up in the OPC. Check and Cause Solution 1. Paper is too thin. 2. The face of paper is curled. 1. Use paper that conforms to the printer specification.
Samsung Electronics Service Manual T roubleshooting 6-14 6.4 Printer Faults – Causes and Solutions 6.4.1 Fuser Error • Description A message "Open Heat Error/Over heat/Heating Error' is displayed in the LCD panel. Check and Cause Solution 1.
T roubleshooting Samsung Electronics Service Manual 6-15 6.4.3 Fuser gear melts due to overheating causing Paper Jam. • Description Constant Jam where paper is entering Fuser unit. Fuser rollers do not turn Check and Cause Solution 1. Check the Heat Lamp, thermostat and thermistor 1.
Samsung Electronics Service Manual T roubleshooting 6-16 6.4.5 Paper Empty without indication • Description The paper empty message does not appear in the LCD when the paper cassette is empty . Check and Cause Solution 1. Deformed paper sensor actuator or faulty sensor .
T roubleshooting Samsung Electronics Service Manual 6-17 6.4.7 No error message when the cover is open • Description The Cover Open message does not appears on the LCD even when the print cover is open. Check and Cause Solution 1. The ‘Open Cover’ microswitch may be stuck or faulty 2.
Samsung Electronics Service Manual T roubleshooting 6-18 6.4.8 Defective motor operation • Description Main motor is faulty and paper does not feed into the printer , resulting in Jam 0' Check and Cause Solution 1. The main motor harness or Motor PCB may be faulty .
T roubleshooting Samsung Electronics Service Manual 6-19 6.4.10 Printed V ertical Lines become curved • Description When printing, vertical lines are not straight. Check and Cause Solution 1. Check stability of 24V supply to LSU. 1. 24V stable - Replace LSU.
Samsung Electronics Service Manual T roubleshooting 6-20 6.5 T oner Cartridge Service Only toner cartridges supplied by Samsung should be used. Printing defects or set damage caused by the use of non-approved toner cartridges or un-licensed toner refills are not covered by the guarantee.
T roubleshooting Samsung Electronics Service Manual 6-21 6.5.4 Signs and Measures of Poor toner cartridge Fault Signs Cause & Check Solution Light image and partially blank image (Cartridge life is ended.) T oner Contamination • The printed image is light or dirty and untidy .
Samsung Electronics Service Manual T roubleshooting 6-22 Fault Signs Cause & Check Solution White Black spot Recycled product • Light or dark black dots on the image occur periodically . • White spots occur in the image periodically . • Poor appearance of the toner cartridge.
T roubleshooting Samsung Electronics Service Manual 6-23 Fault Signs Cause & Check Solution Ghost & Image Contamination • The printed image is too light or dark, or partially contaminated black. • T otally contaminated black. (Black image printed out) • The density of printouts is too dark and ghost occurs.
6.6.2 Abnormal Printing • Description Printing does not work – even after replacing the cable Printer does not work at all or strange fonts are printed, Check and Cause Solution 1. Set up the parallel port using CMOS SETUP . 2. Printer Driver Error .
T roubleshooting Samsung Electronics Service Manual 6-25 6.6.3 SPOOL Error • Description SPOOL (simultaneous peripheral operations online) is the process Windows uses to manage print jobs. Jobs are processed and then stored on the hard disk until the printer is ready to accept them Check and Cause Solution 1.
Block Diagram Samsung Electronics Service Manual 7-1 7 7 7. Block Diagram 7.1 System Block Diagram Chrous2 UART CY25811 Main CLK 10.00MHz USB2.0 FLASHROM 29LV800 SDRAM 8MB Motor Drv .
Exploded Views & Parts List Service Manual 8-1 8 8 8.1 Main Exploded View 8-2 8.2 Housing Base Exploded View 8-3 8.3 Frame Assembly Exploded View 8-4 8.4 Fuser Unit Exploded View 8-5 8.5 Drive Assembly Exploded View 8-6 8.6 Scan Assembly Exploded View 8-7 8.
Service Manual Exploded Views & Parts List 8-2 8.1 Main Exploded V iew 0 4 6 7 8 9 10 B 11 - 1 11 - 2 11 - 3 17 20 A 12 13 14 15 16 19 19 1 2 23 3 18 22 21.
Exploded Views & Parts List Service Manual 8-3 8.2. Housing Base Exploded V iew 0 1 1-1 1-2 1-3 1-4 1-4 1-6 1-7 2 3 5 4 5-1 5-2 3-1 3-2 2-1 2-2 2-3 2-4 2-4 2-5.
Service Manual Exploded Views & Parts List 8-4 8.3. Frame Assembly Exploded V iew 1 41-1 41-2 41-3 41-4 41-5 41-6 41-7 41-4 46-1 46-2 46-3 46-4 45-1 45-2 45-3 46-5 T ransfer Roller 0 4 5 6 7 6 5 8.
Exploded Views & Parts List Service Manual 8-5 8.4. Fuser Unit Exploded V iew 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31.
Service Manual Exploded Views & Parts List 8-6 8.5. Drive Assembly Exploded V iew 0 8 12 11 5 6 9 10 4 3 2 1 7 13 13 13 5 5 7.
Exploded Views & Parts List Service Manual 8-7 8.6. Scan Assembly Exploded V iew 0 1 2 3 3 4 5 6 7 8 9 10 11 12 13 14 15 16 26 A 17 18 18 20 21 22 23 24 25.
Service Manual Exploded Views & Parts List 8-8 8.7. OPE Assembly Exploded V iew 0 1 2 3 4 5 6 7 8 10 9 10 10.
Exploded Views & Parts List Service Manual 8-9 8.8. Cassette Assembly Exploded View 0 1 3 2 20 19 4 5 6 7 8 10 10 9 11 12 13 18 15 14 16 17 17.
ΒΣΥΤ͑ͽΚΤΥ Drawer# SEC_Code Description&Specification Location Service 8.1-1 JC96-03807A ELA HOU BASE-HOUSING;SCX-4200,SEC,-,-,-, SNA 8.1-2 3103-001085 FAN-DC;24V,80mA,4800rpm,-,0.131mmH20 Z4126 SA 8.1-3 JC61-01643A HOLDER-M_HARNESS;SCX-4200,ABS, HB,2.
ΒΣΥΤ͑ͽΚΤΥ Drawer# SEC_Code Description&Specification Location Service SA : SERVICE AVAILABLE SNA : SERVICE not AVAILABLE DNA : DELIVERY not AVAILABLE 8.3-20 JC75-00049A MEC-TERMINAL;SF-5100,SAMSUNG,-,-,-,-,-,- K3739 SA 8.3-21 JC61-00911A HOUSING-M-TERMINAL R2;SCX-4920N,ABS(NH-1 H6040 SA 8.
ΒΣΥΤ͑ͽΚΤΥ Drawer# SEC_Code Description&Specification Location Service SA : SERVICE AVAILABLE SNA : SERVICE not AVAILABLE DNA : DELIVERY not AVAILABLE 8.4-14 4713-001203 LAMP-HALOGEN;115V,-,600W,-,-,-,6X284MM SA 8.4-15 JC66-00601A ROLLER-HEAT;ML-1710,AL 5052+PFA,20.
ΒΣΥΤ͑ͽΚΤΥ Drawer# SEC_Code Description&Specification Location Service SA : SERVICE AVAILABLE SNA : SERVICE not AVAILABLE DNA : DELIVERY not AVAILABLE 8.7-10 6003-000196 SCREW-TAPTITE;PWH,+,B,M3,L10,NI PLT,SWRC Z4198 SA 8.8-1 JC70-00300A ADJUST-M-CASSETTE_L;ML-1400,ABS,-,-,-,VI K2014 SA 8.
ΒΣΥΤ͑ͽΚΤΥ Drawer# SEC_Code Description&Specification Location Service SA : SERVICE AVAILABLE SNA : SERVICE not AVAILABLE DNA : DELIVERY not AVAILABLE #N/A JC68-10934F LABEL(P)-NOM(BOX);COMMON,XAX,ART,100G,0.
ΒΣΥΤ͑ͽΚΤΥ Drawer# SEC_Code Description&Specification Location Service SA : SERVICE AVAILABLE SNA : SERVICE not AVAILABLE DNA : DELIVERY not AVAILABLE #N/A 2401-000426 C-AL;10uF,20%,16V,GP,TP,3.5x5,5 SA #N/A 2402-000008 C-AL,SMD;47uF,20%,16V,GP,TP,6.
ΒΣΥΤ͑ͽΚΤΥ Drawer# SEC_Code Description&Specification Location Service SA : SERVICE AVAILABLE SNA : SERVICE not AVAILABLE DNA : DELIVERY not AVAILABLE #N/A 3711-003411 HEADER-BOARD TO CA.
Connection Diagram Samsung Electronics Service Manual 9-1 9 9 9. Connection Diagram 9.1 SCX-4200 Connection Diagram 1: L S U _ C L K 2: nL R EA D Y 3: nP M O T O R 4: G ND 5: 24V S 6: nHSY NC 7: L S U _ 5V 8: G ND 9: L D_ O N 10: V DO 11: G ND LS U _ U N I T 1: 3.
Schematic Diagram Service Manual 10-1 This Document can not be used without Samsung’ s authorization. Samsung Electronics 10. Schematic Diagrams 10.1 Main Board(1/7) PTL, FAN2 Main controller REV 0.3 5 12 LSU, SMPS, PANEL, COVER OPEN 2 1 3 7 10 Description 9 11 INDEX 6 == MEMO == USB2.
Schematic Diagram Service Manual 10-2 This Document can not be used without Samsung’ s authorization. Samsung Electronics INSTPAR L4 L5 INSTPAR Main Board(2/7).
Schematic Diagram Service Manual 10-3 This Document can not be used without Samsung’ s authorization. Samsung Electronics Main Board(3/7) 100 R2 41 VSS3 54 VSSQ1 6 12 VSSQ2 VSSQ3 46 52 VSSQ4 1 14 VD.
Schematic Diagram Service Manual 10-4 This Document can not be used without Samsung ’ s authorization. Samsung Electronics Main Board(4/7) Not used.
Schematic Diagram Service Manual 10-5 This Document can not be used without Samsung ’ s authorization. Samsung Electronics Main Board(5/7) Not Used Not Used Not Used L6 INSTPAR.
Schematic Diagram Service Manual 10-6 This Document can not be used without Samsung ’ s authorization. Samsung Electronics Main Board(6/7).
Schematic Diagram Service Manual 10-7 This Document can not be used without Samsung ’ s authorization. Samsung Electronics Main Board(7/7).
Schematic Diagram Service Manual 10-8 This Document can not be used without Samsung ’ s authorization. Samsung Electronics MI MI CO CO M M (U1) (U1) LCD LCD BASIC (LCD1) BASIC (LCD1) CHIN CHIN A/KOREA (LCD2) A/KOREA (LCD2) JB13-00004A JB13-00004A JB13-00035A JB13-00035A JB07-00004A JB07-00004A JC07-00008A JC07-00008A 10.
Schematic Diagram Service Manual 10-9 This Document can not be used without Samsung ’ s authorization. Samsung Electronics 10.3 SMPS-1 10V(1/4).
Schematic Diagram Service Manual 10-10 This Document can not be used without Samsung ’ s authorization. Samsung Electronics SMPS-1 10V(2/4).
Schematic Diagram Service Manual 10-11 This Document can not be used without Samsung ’ s authorization. Samsung Electronics SMPS-1 10V(3/4).
Schematic Diagram Service Manual 10-12 This Document can not be used without Samsung ’ s authorization. Samsung Electronics SMPS-1 10V(4/4).
Schematic Diagram Service Manual 10-13 This Document can not be used without Samsung ’ s authorization. Samsung Electronics 10.3 SMPS-220V(1/4).
Schematic Diagram Service Manual 10-14 This Document can not be used without Samsung ’ s authorization. Samsung Electronics SMPS-220V(2/4).
Schematic Diagram Service Manual 10-15 This Document can not be used without Samsung ’ s authorization. Samsung Electronics SMPS-220V(3/4).
Schematic Diagram Service Manual 10-16 This Document can not be used without Samsung ’ s authorization. Samsung Electronics SMPS-220V(4/4).
Reference Information Samsung Electronics Service Manual 11-1 1 1 1 1 1 1 Reference Information This chapter contains the tools list, list of abbreviations used in this manual, and a guide to the location space required when installing the printer . A definition of tests pages is also included.
Samsung Electronics Service Manual Reference Information 11-2 1 1.2 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.
Reference Information Samsung Electronics Service Manual 11-3 IPC Inter Process Communication IPM Images Per Minute LCD Liquid Crystal Display LED Light Emitting Diode LSU Laser Scanning Unit MB Megab.
Samsung Electronics Service Manual Reference Information 11-4 1 1.3 Select a location for the printer • Leave enough room to open the printer trays, covers, and allow for proper ventilation.
Reference Information Samsung Electronics Service Manual 11-5 1 1.4 A4 ISO 19752 Standard Pattern This test page is reproduced at 70% of the normal A4 size.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Samsung SCX-4200 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Samsung SCX-4200 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Samsung SCX-4200 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Samsung SCX-4200 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Samsung SCX-4200, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Samsung SCX-4200.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Samsung SCX-4200. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Samsung SCX-4200 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
